Humminbird Fish Finder 365i User Manual

365i Combo Operations Manual

531728-1_A

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WEEE DIRECTIVE: EU Directive 2002/96/EC “Waste of Electrical and Electronic Equipment

Directive (WEEE)” impacts most distributors, sellers, and manufacturers of consumer

electronics in the European Union. The WEEE Directive requires the producer of consumer

electronics to take responsibility for the management of waste from their products to

achieve environmentally responsible disposal during the product life cycle.

WEEE compliance may not be required in your location for electrical & electronic equipment

(EEE), nor may it be required for EEE designed and intended as fixed or temporary

installation in transportation vehicles such as automobiles, aircraft, and boats. In some

European Union member states, these vehicles are considered outside of the scope of the

Directive, and EEE for those applications can be considered excluded from the WEEE

Directive requirement.

This symbol (WEEE wheelie bin) on product indicates the product must not be

disposed of with other household refuse. It must be disposed of and collected for

recycling and recovery of waste EEE. Humminbird® will mark all EEE products in

accordance with the WEEE Directive. It is our goal to comply in the collection,

treatment, recovery, and environmentally sound disposal of those products; however, these

requirements do vary within European Union member states. For more information about

where you should dispose of your waste equipment for recycling and recovery and/or your

European Union member state requirements, please contact your dealer or distributor from

which your product was purchased.

ROHS STATEMENT: Product designed and intended as a fixed installation or part of a

system in a vessel may be considered beyond the scope of Directive 2002/95/EC of the

European Parliament and of the Council of 27 January 2003 on the restriction of the use of

certain hazardous substances in electrical and electronic equipment.

ATTENTION INTERNATIONAL CUSTOMERS: Products sold in the U.S. are not

intended for use in the international market. Humminbird® international units provide

international features and are designed to meet country and regional regulations.

Languages, maps, time zones, units of measurement, and warranty are examples of

features that are customized for Humminbird® international units purchased through

our authorized international distributors.

To obtain a list of authorized international distributors, please visit our web site at

www.humminbird.com or contact our Customer Resource Center at (334) 687-6613.

Navionics® Gold, HotMaps™, and HotMaps™ Premium are registered trademarks of Navionics®.

300 Series™, DualBeam PLUS™, Fish ID+™, Humminbird®, RTS™, RTS Window™, Structure

ID®, SwitchFire™, WhiteLine™, UniMap™, and X-Press™ Menu are trademarked by or

registered trademarks of Humminbird®.

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Table of Contents

Power On the Unit

How Sonar Works

DualBeam PLUS™ Sonar .......................................................................................... 4

How GPS Works

What’s on the Sonar Display

Understanding the Sonar Display ............................................................................ 8

Real Time Sonar (RTS™) Window ............................................................................ 8

SwitchFire™ .............................................................................................................. 9

Freeze Frame and Active Cursor................................................................................ 9

Instant Image Update................................................................................................ 9

Bottom Presentation................................................................................................ 10

Views

Sonar View .............................................................................................................. 14

Sonar Zoom View .................................................................................................... 15

200/83 kHz Split Sonar View .................................................................................. 16

Big Digits View ........................................................................................................ 17

Circular Flasher View .............................................................................................. 18

Snapshot and Recording View................................................................................ 19

Bird’s Eye View ........................................................................................................ 25

Chart View................................................................................................................ 26

Chart/Sonar Combo View........................................................................................ 28

View Orientation ...................................................................................................... 29

Viewing Cartography .............................................................................................. 29

Introduction to Navigation

Waypoints, Routes, and Tracks .............................................................................. 32

Save, Edit, or Delete a Waypoint ............................................................................ 34

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Table of Contents

Navigate to a Waypoint or Position...................................................................... 35

Add a Waypoint Target or Trolling Grid ................................................................ 37

Save, Edit, or Delete a Route ................................................................................ 38

Save or Clear a Current Track................................................................................ 39

Edit, Delete, or Hide Saved Tracks........................................................................ 39

Add Maps to Your Fishfinder ................................................................................ 40

Export Navigation Data.......................................................................................... 41

What’s on the 300 Series™ Control Head

Key Functions

POWER/LIGHT Key .............................................................................................. 43

VIEW Key .............................................................................................................. 44

INFO Key ................................................................................................................ 44

MENU Key ............................................................................................................ 44

4-WAY Cursor Control Key .................................................................................. 45

MARK Key.............................................................................................................. 46

GOTO Key................................................................................................................ 46

ZOOM (+/-) Key...................................................................................................... 46

EXIT Key ................................................................................................................ 47

Multi-Media Card (MMC)/SD Slot

The Menu System

Start-Up Options Menu

Normal.................................................................................................................... 50

Simulator .............................................................................................................. 51

System Status ...................................................................................................... 51

Self Test.................................................................................................................. 52

Accessory Test........................................................................................................ 52

GPS Diagnostic View ............................................................................................ 53

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Table of Contents

X-Press™ Menu

Main Menu

Quick Tips for the Main Menu .................................................................................... 56

Note for all Menu Settings ............................................................................................ 56

User Mode (Normal or Advanced) ................................................................................ 57

Sonar X-Press™ Menu (Sonar views only)

Sensitivity ................................................................................................................ 60

Upper Range (Advanced: Sonar, Split Sonar, Circular Flasher,

and Big Digits Views only) ...................................................................................... 61

Lower Range .......................................................................................................... 61

Chart Speed ............................................................................................................ 62

Bottom View ............................................................................................................ 62

Bottom Range (Sonar Zoom View only when Bottom Lock is On) .................................... 62

Bottom Lock ............................................................................................................ 63

Cancel Navigation (only when Navigating) ................................................................ 63

Navigation X-Press™ Menu (Navigation views only)

Waypoint [Name] (only with an active cursor on a waypoint)........................................ 65

Cursor To Waypoint (Chart or Combo View only) ........................................................ 65

Save Current Track .................................................................................................. 65

Clear Current Track .................................................................................................. 66

Save Current Route (only when Navigating) .............................................................. 66

Skip Next Waypoint (only when Navigating) .............................................................. 66

Cancel Navigation (only when Navigating) ................................................................ 66

Remove Target (only if Target is Active) ...................................................................... 66

Remove Grid (only if Grid is Active).............................................................................. 67

Sonar Window (Combo View only).............................................................................. 67

Waypoint [Name] (Most recently-created waypoint) .................................................... 67

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Table of Contents

Snapshot and Recording X-Press™ Menu

(Snapshot and Recording View only)

Start Recording (optional-purchase MMC/SD Card, Snapshot and

Recording View only) .................................................................................................... 69

Stop Recording (optional-purchase MMC/SD Card only) .............................................. 69

Delete Image (optional-purchase MMC/SD Card, Snapshot

and Recording View only) ............................................................................................ 69

Delete All Images (optional-purchase MMC/SD Card, Snapshot

and Recording View only) ............................................................................................ 69

Delete Recording (optional-purchase MMC/SD Card, Snapshot

and Recording View only).............................................................................................. 70

Delete All Recordings (optional-purchase MMC/SD Card, Snapshot

and Recording View only).............................................................................................. 70

Pings Per Second (optional-purchase MMC/SD Card, Snapshot

and Recording View only).............................................................................................. 70

Playback Speed (optional-purchase MMC/SD Card, Snapshot

and Recording View only).............................................................................................. 71

Stop Playback (optional-purchase MMC/SD Card only) ................................................ 72

Alarms Menu Tab

Depth Alarm .......................................................................................................... 74

Fish ID Alarm.......................................................................................................... 74

Low Battery Alarm ................................................................................................ 74

Temp. Alarm .......................................................................................................... 75

Off Course Alarm .................................................................................................. 75

Arrival Alarm .......................................................................................................... 76

Drift Alarm.............................................................................................................. 76

Alarm Tone ............................................................................................................ 76

Sonar Menu Tab

Beam Select .......................................................................................................... 78

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Table of Contents

Surface Clutter ........................................................................................................ 79

SwitchFire™ ............................................................................................................ 79

Fish ID+™ ................................................................................................................ 80

Fish ID Sensitivity .................................................................................................... 81

Real Time Sonar (RTS™) Window .......................................................................... 81

Zoom Width.............................................................................................................. 82

83 kHz Sensitivity (Advanced).................................................................................... 82

Depth Lines (Advanced) ............................................................................................ 82

Noise Filter (Advanced) .............................................................................................. 83

Max Depth (Advanced) .............................................................................................. 83

Water Type (Advanced) .............................................................................................. 83

Navigation Menu Tab

Current Track............................................................................................................ 85

Saved Tracks ............................................................................................................ 85

Waypoints ................................................................................................................ 86

Routes ...................................................................................................................... 87

Chart Orientation...................................................................................................... 87

North Reference ...................................................................................................... 88

Waypoint Decluttering (Advanced)............................................................................ 88

Grid Rotation ............................................................................................................ 88

Trackpoint Interval.................................................................................................... 88

Track Min Distance (Advanced) ................................................................................ 89

Map Datum (Advanced) ............................................................................................ 89

Course Projection Line ............................................................................................ 89

Export All Nav Data.................................................................................................. 89

Delete All Nav Data (Advanced) ................................................................................ 90

Continuous Navigation Mode ................................................................................ 90

Chart Menu Tab

Chart Detail Level .................................................................................................... 92

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Table of Contents

Map Borders .......................................................................................................... 92

Lat/Lon Grid............................................................................................................ 93

Spot Soundings...................................................................................................... 93

Chart Select............................................................................................................ 93

Set Simulation Position (Advanced) .................................................................... 93

Set Map Offset (Advanced).................................................................................. 94

Clear Map Offset (Advanced) .............................................................................. 94

Setup Menu Tab

Units - Depth.......................................................................................................... 96

Units - Temp (International only) .............................................................................. 96

Units - Distance .................................................................................................... 96

Units - Speed ........................................................................................................ 96

User Mode ............................................................................................................ 97

Language (International only).................................................................................... 97

Triplog Reset ........................................................................................................ 97

Restore Defaults .................................................................................................... 97

Select Readouts (Advanced, Sonar View only) .......................................................... 98

Depth Offset (Advanced).......................................................................................... 99

Temp. Offset (Advanced).......................................................................................... 99

Speed Calibration (Advanced, with Temp/Speed only) .............................................. 99

Local Time Zone (Advanced).................................................................................. 100

Daylight Saving Time (Advanced).......................................................................... 100

Position Format (Advanced) .................................................................................. 100

Time Format (Advanced, International only) ............................................................ 100

Date Format (Advanced, International only).............................................................. 101

NMEA Output (Advanced) .................................................................................... 101

Sonar .................................................................................................................... 102

Screen Snapshot.................................................................................................. 102

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Table of Contents

Views Menu Tab

Troubleshooting

103

104

Fishfinder Doesn’t Power Up ................................................................................ 104

Fishfinder Defaults to Simulator with a Transducer Attached ............................ 104

Display Problems.................................................................................................... 105

Finding the Cause of Noise .................................................................................. 106

300 Series™ Fishfinder Accessories

Specifications

107

108

109

118

Glossary

Contact Humminbird®

NOTE: Entries in this Table of Contents which list (International Only) are only

available on products sold outside of the U.S. by our authorized international

distributors. To obtain a list of authorized international distributors, please visit our

web site at www.humminbird.com or contact our Customer Resource Center at

(334) 687-6613.

NOTE: Entries in this Table of Contents which list (with Temp/Speed only) require

the purchase of separate accessories. You can visit our web site at

www.humminbird.com to order these accessories online or contact our

Customer Resource Center at 1-800-633-1468.

NOTE: Some features discussed in this manual require a separate purchase, and

some features are only available on international models. Every effort has been

made to clearly identify those features. Please read the manual carefully in order to

understand the full capabilities of your model.

vii

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Power On the Unit

Follow the instructions below to power on your Humminbird® control head.

365i Combo Title Screen

1. Press the

POWER/LIGHT key.

2. When the Title screen is displayed, press the MENU key to access the

Start-Up Options Menu.

3. Use the 4-WAY Cursor Control key to select Normal (if there is a

transducer attached to the control head), or Simulator (if there isn’t a

transducer attached to the control head).

NOTE: See Start-Up Options Menu for more information.

• If a functioning transducer is connected, Normal operation will be

selected automatically at power up, and your Fishfinder can be

used on the water.

• If a transducer is not connected and you wait too long to select a

Start-Up Option, the system will default to whichever menu is

already highlighted.

• In Simulator you can learn how to use your control head and save

settings in advance for later use.

Power On the Unit

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How Sonar Works

Sonar technology is based on sound waves. The 300 Series™ Fishfinder uses

sonar to locate and define structure, bottom contour and composition, as well

as depth directly below the transducer.

Your 300 Series™ Fishfinder sends a sound wave signal and determines

distance by measuring the time between the transmission of the sound wave

and when the sound wave is reflected off of an object; it then uses the reflected

signal to interpret location, size, and composition of an object.

Sonar is very fast. A sound wave can travel from the surface to a depth of

240 ft (70 m) and back again in less than 1/4 of a second. It is unlikely that your

boat can “outrun“ this sonar signal.

SONAR is an acronym for SOund and

NAvigation Ranging. Sonar uses precision

sound pulses or “pings“ which are emitted

into the water in a teardrop-shaped beam.

The sound pulses “echo“ back from objects

in the water such as the bottom, fish, and

other submerged objects. The returned

echoes are displayed on the LCD screen.

Each time a new echo is received, the old

echoes are moved across the LCD, creating

a scrolling effect.

How Sonar Works

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When all the echoes are viewed side by side, an

easy to interpret “graph“ of the bottom, fish, and

structure appears.

The sound pulses are transmitted at various

frequencies depending on the application. Very

high frequencies (455 kHz) are used for greatest

definition but the operating depth is limited. High

frequencies (200 kHz) are commonly used on

consumer sonar and provide a good balance

between depth performance and resolution. Low

frequencies (83 kHz) are typically used to achieve

greater depth capability.

The power output is the amount of energy

generated by the sonar transmitter. It is commonly

measured using two methods:

• Root Mean Square (RMS) measures power

output over the entire transmit cycle.

• Peak to Peak measures power output at the

highest points.

The benefits of increased power output are the

ability to detect smaller targets at greater

distances, ability to overcome noise, better high

speed performance and enhanced depth capability.

How Sonar Works

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DualBeam PLUS™ Sonar

Your 300 Series™ Fishing System uses a

200/83 kHz DualBeam PLUS™ sonar system with

a wide (60°) area of coverage. DualBeam PLUS™

sonar has a narrowly focused 20° center beam,

surrounded by a second beam of 60°, expanding

your coverage to an area equal to your depth.

In 20 feet of water, the wider beam covers an

area 20 feet wide. DualBeam PLUS™ sonar

returns can be blended together, viewed

separately, or compared side-by-side. DualBeam

PLUS™ is ideal for a wide range of conditions -

from shallow to very deep water in both fresh

and salt water. Depth capability is affected by

such factors as boat speed, wave action, bottom

hardness, water conditions and transducer

installation.

How Sonar Works

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How GPS Works

Your 300 Series™ Fishfinder also supports GPS (Global Positioning System) and

chartplotting. It uses GPS and sonar to determine your position, display it on a

grid, and provide detailed underwater information.

GPS uses a constellation of satellites that

continually send radio signals to the earth. The

GPS receiver on your boat receives signals from

satellites that are visible to it. Based on time

differences between each received signal, the GPS

receiver determines its distance to each satellite.

With distances known, the GPS receiver

mathematically triangulates its own position. With

once per second updates, the GPS receiver then

calculates its velocity and bearing.

GPS was originally intended for military use; however, civilians may also take

advantage of its highly accurate position capabilities, typically within +/- 4.5

meters, depending on conditions. This means that 95% of the time, the GPS

receiver will read a location within 4.5 meters of your actual position. Your GPS

Receiver also uses information from WAAS (the Wide Area Augmentation

System), EGNOS (the European Geostationary Navigation Overlay Service), and

MSAS (the MTSAT Satellite Augmentation System) satellites if they are

available in your area.

The following GPS functionality is currently supported by the 300 Series™

Fishfinder when it is connected to the included GPS receiver:

• View current position

• View current track (breadcrumb trail)

• View precision speed and heading from your GPS receiver

• Save tracks, waypoints, and routes

• Travel a route and navigate from one waypoint to the next.

See Chart View and Introduction to Navigation: Add Maps to Your Fishfinder

for more information.

How GPS Works

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What’s on the Sonar Display

The 300 Series™ Fishfinder can display a variety of useful information about

Depth - Water depth; can be set to alarm when

the water becomes too shallow.

Speed - If a Temp/Speed accessory or GPS

Receiver is attached, the Fishfinder can display

the speed of the boat and can keep a Triplog of

nautical or statute miles traveled.

Temperature - Water surface temperature.

Timer

Elapsed time with Temp/Speed

Accessory or GPS Receiver.

Distance - Distance traveled with Temp/Speed

Accessory or GPS Receiver.

Average Speed - Average speed reading with

Temp/Speed Accessory or GPS Receiver.

Second Sonar Return - When the sonar signal

bounces between the bottom and the surface of the

water and back again. Use the appearance of the

second return to determine bottom hardness. Hard

bottomswillshowastrongsecondreturn, whilesoft

bottoms will show a very weak one or none at all.

Cursor Dialog Box - Indicates cursor depth on

the display and the depth of the bottom directly

below the cursor. The Latitude and Longitude of

the cursor position, the distance to travel to the

cursor position, and the bearing to the cursor

position are shown with a GPS receiver. A

waypoint can be marked at the cursor position

for later retrieval and use with a GPS receiver.

NOTE: Entries in this view that list (with Temp/Speed or GPS Receiver) are available if either

the information from the GPS receiver will be displayed on the view.

What’s on the Sonar Display

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the area under your boat, including the following items:

Bait Ball

Hollow Fish Symbol (83kHz, Wide Beam)

Fish - The Fishfinder displays fish as arches

and/or fish icons, and can be set to alarm

when a fish of a certain size is detected.

When a target is detected, a Fish ID+™

symbol appears on the display with the

depth displayed above it. The size of the

symbol indicates the intensity of the sonar

return. The unit will clearly show schools of

Bait Fish as "clouds" of different shapes and

sizes, depending on the number of fish and

boat speed.

Shaded Fish Symbol (200 kHz, Narrow Beam)

Thermoclines - Layers of water with different

temperatures that appear at different depths

and different times of the year. A thermocline

typically appears as a continuous band of gray

levels moving across the display at the same

depth.

Cursor - Available in Freeze Frame and can

be positioned in the Sonar View to provide

depth of a sonar return and bottom depth below

the cursor.

RTS (Real Time Sonar) Window™

Structure - Where fish may be hiding.

device is connected to the 300 Series™ Fishfinder. If both devices are connected, then only

What’s on the Sonar Display

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Understanding the Sonar Display

It is important to understand the significance of

the display. The display does not show a literal

3-dimensional representation of what is under

the water. Each vertical band of data received by

the control head and plotted on the display

represents something that was detected by a

sonar return at a particular time. As both the boat

and the targets (fish) may be moving, the returns

are only showing a particular segment of time

when objects were detected, not exactly where

those objects are in relation to other objects

shown on the display.

The returned sonar echoes are displayed on the screen. As a new echo is

received, the historical data scrolls left across the view.

Real Time Sonar (RTS™) Window

A Real Time Sonar (RTS™) Window appears on the right side of the display in

the Sonar View only. The RTS Window™ updates at the fastest rate possible for

depth conditions and shows only the returns from the bottom, structure, and

fish that are within the transducer beam. The RTS Window™ plots the depth

and intensity of a sonar return (see Sonar Menu Tab: RTS Window™).

The Narrow RTS Window™

indicates the sonar intensity

through the use of grayscale.

The grayscale used matches

the Bottom View grayscale

The Wide RTS Window™

indicates the sonar intensity

through the use of a bar

graph. The length of the

plotted return indicates

whether the return is weak or

strong. The depth of the sonar

return is indicated by the

vertical placement of the

return on the display depth

scale. The Wide RTS

Window™ does not use

grayscale.

setting (Inverse, StructureID

®,

WhiteLine™, Bottom Black).

The depth of the sonar return

is indicated by the vertical

placement of the return on the

display depth scale.

What’s on the Sonar Display

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SwitchFire™

SwitchFire™ controls how the sonar returns are displayed in the Sonar Views.

SwitchFire™ settings are available in the Sonar Menu Tab.

To see the maximum sonar information available within the transducer beam so

more fish arches and better jig tracking are shown, choose Max Mode.

To see less clutter and more fish size accuracy interpreted from the transducer

beam, choose Clear Mode. See Sonar Menu Tab: SwitchFire™ for more

information.

Freeze Frame and Active Cursor

Freeze Frame & Active Cursor - Press any arrow on the 4-WAY Cursor Control key,

and the screen will freeze and a cursor will be displayed. Use the 4-WAY Cursor

Control key to move the cursor over a sonar return, and the depth of the sonar

return will be displayed at the bottom of the screen in the cursor dialog box.

The RTS Window™ continues to update in Freeze Frame. To return to a scrolling

display and exit Freeze Frame, press the EXIT key. Freeze Frame is available in the

Sonar, Split Sonar, and Sonar Zoom Views.

Instant Image Update

Instant Image Update - You can change a variety of sonar menu settings (such

as Sensitivity or Upper Range), and the adjustments will be shown instantly on

the screen.

What’s on the Sonar Display

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Bottom Presentation

As the boat moves, the unit charts the changes in depth on the display to create

a profile of the Bottom Contour. The type of bottom can be determined from

the return charted on the display. A Hard Bottom such as compacted sediment

or flat rock appears as a thinner line across the display. A Soft Bottom such as

mud or sand appears as a thicker line across the display. Rocky Bottoms have

a broken, random appearance.

Bottom Contour Profile with RTS Window™

Hard Bottom

Soft Bottom

Rocky Bottom

The sonar returns from the bottom, structure, and fish can be represented as

Inverse, Structure ID®, WhiteLine™, or Black (Bottom Black). See Sonar

X-Press™ Menu: Bottom View to set the bottom view.

What’s on the Sonar Display

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Inverse is a method where weak returns are shown with

dark pixels and strong returns with lighter pixels. This has

the benefit of ensuring that weak signals will be clearly

visible on the display.

Structure ID® represents weak returns as light pixels and

strong returns as dark pixels. This has the benefit of

ensuring that strong returns will be clearly visible on the

display.

WhiteLine™ highlights the strongest sonar returns in white

resulting in a distinctive outline. This has the benefit of

clearly defining the bottom on the display.

Black (Bottom Black) displays all pixels below the bottom

contour as black, regardless of signal strength. This has

the benefit of providing a high contrast between the

bottom and other sonar returns on the display.

What’s on the Sonar Display

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Views

Bird’s Eye

View

GPS Diaggnostic

View

Chart

View

The sonar and navigation information from

your Fishfinder are displayed on the screen

in a variety of easy-to-read views. There are

many views available on your Fishfinder.

When you press the VIEW key, the display

cycles through the available views on your

screen. When you press the EXIT key, the

display cycles through the available views

in reverse order.

Accessory

Combo

View

Self

Test

Sonar

View

Snapshhot and

Sonar Zoom

View

Recordiing View

Circularr FFllaasshheerr

View

Splitt Sonar

View

Big Digits

View

When you first power up the control head, Sonar View will be the default view.

You can display and hide any view to suit your fishing preferences.

NOTE: When you change any menu settings that affect the sonar, the view will update

immediately. You don't have to exit the menu to apply the change to the screen.

Sonar views:

Navigation views:

Sonar View

Bird’s Eye View

Sonar Zoom View

Chart View

200/83 kHz Split Sonar View

Big Digits View

Chart/Sonar Combo View

GPS Diagnostic View

(see Start-Up Options Menu)

Circular Flasher View

Snapshot and Recording View

Self Test View

(see Start-Up Options Menu)

Accessory Test View

(see Start-Up Options Menu)

Details about each view are available on the following pages.

Views

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To customize your view rotation:

You can choose which views are hidden or visible in your view rotation.

1. Press the MENU key twice to access the tabbed Main Menu, then

press the RIGHT Cursor key until the Views tab is selected.

2. Press the UP or DOWN Cursor keys to select a View.

3. Press the LEFT or RIGHT Cursor keys to change the status of the view

from Hidden to Visible or vice versa.

To change the Digital Readouts:

Each view displays digital readout information (such as speed or time), which

varies with the view selected, the accessory attached, and whether or not you

are navigating. The digital readouts on the Sonar View can be customized. See

Setup Menu Tab: Select Readouts for more information.

1. Press the MENU key twice to access the tabbed Main Menu, then

press the RIGHT Cursor key until the Setup tab is selected.

2. Press the DOWN key to highlight Select Readouts, and press the RIGHT

Cursor key to access the Select Readouts submenu.

NOTE: If the Select Readouts option does not appear under the Setup tab, change the

User Mode to Advanced.

3. Press the UP or DOWN Cursor keys to select a Readout position, then

press the RIGHT or LEFT Cursor keys to choose what will be displayed in

that position. To hide the data window, select Off. (Course, Navigation,

Off, Position, Speed, Temperature, Time+Date, Triplog, Voltage, Time).

Views

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Sonar View

Sonar View presents a historical log of sonar returns. The most recent sonar

returns are charted on the right side of the display. As new information is

received, the historical information scrolls left across the display.

• Upper and Lower Depth Range numbers indicate the distance from the

surface of the water to a depth range sufficient to show the bottom.

• Depth is automatically selected to keep the bottom visible on the display,

although you can adjust it manually as well (see Sonar X-Press™ Menu).

• Digital Readouts shown on the display will change based on the Select

Readouts settings or the optional-purchase accessories attached (see

Setup Menu Tab: Select Readouts).

• Freeze Frame: Use the 4-WAY Cursor Control key to freeze the display and

move the cursor over a sonar return. The depth of the sonar return will be

displayed at the bottom of the screen in the cursor dialog box.

Sonar View

Upper Depth

Range

Depth

Speed

Cursor

Temperature

Triplog

RTS Window™

Sonar History

Window

Cursor

Dialog Box

NOTE: If the Depth number is flashing, it means that the unit is having trouble locating

the bottom. This usually happens if the water is too deep, the transducer is out of the

water, the boat is moving too fast, or for any other reason that the unit can’t accurately

receive continuous data.

Views

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Sonar Zoom View

Sonar Zoom View provides a magnified view of the bottom and structure. The

Sonar Zoom View makes it easier to see separate sonar returns that would

usually be displayed close together, such as those caused by fish suspended

close to the bottom or within structure.

• The Zoom Level, or magnification, is displayed in the lower left corner

of the display. Press the + or - ZOOM keys to increase or decrease the

zoom level.

• The Zoomed View is displayed on the left side of the screen. As the

depth changes, the zoomed view updates automatically.

• The Full Range View is displayed on the right side of the screen. The

Full Range View includes the Zoom Preview Box, which shows where

the zoomed view is in relation to the full range view.

• The Upper and Lower Depth Range numbers indicate the high and low

range of the water which is being viewed.

• Digital Readouts cannot be customized; therefore, information such as

water temperature and voltage are unavailable in the Sonar Zoom View.

Sonar Zoom View

Upper Depth Range,

Full Range View

Depth

Upper Depth Range,

Zoom View

Zoomed View

Full Range View

Zoom Preview Box

Lower Depth Range,

Zoom View

Lower Depth Range,

Zoom Level

Full Range View

Views

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200/83 kHz Split Sonar View

Split Sonar View displays sonar returns from the 83 kHz wide beam on the left

side of the screen and sonar returns from the 200 kHz narrow beam on the right

side of the screen. You can use the Split Sonar View to make side by side

comparisons between the sonar returns from both beams.

• Depth is displayed in the upper left hand corner.

• The Digital Readouts in the Split Sonar View cannot be customized;

therefore, information such as water temperature and voltage are

unavailable in the Split Sonar View.

200/83 kHz Split Sonar View

Upper Depth

Depth

Range

200 kHz Sonar

History Window

83 kHz

Sonar

History

Window

Lower Depth

Range

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Big Digits View

Big Digits View provides digital data in a large, easy-to-see format.

• Digital Readouts: Depth is always displayed. Readouts for temperature,

speed, and Triplog information are displayed automatically if the

appropriate accessory is connected to the Fishfinder.

NOTE: The digital readouts in the Big Digits View cannot be customized.

• The Triplog shows distance traveled, average speed, and time elapsed

since the Triplog was last reset.

Big Digits View

Timer shows the

time elapsed since Triplog

was last reset

Depth

Distance is the distance

traveled since the Triplog

was last reset

Temperature

Speed

Voltage displays

the battery voltage

Average Speed shows the

speed since the Triplog

was last reset

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Circular Flasher View

Circular Flasher View displays Real Time Sonar (RTS™) data in the traditional

flasher format.

• Depth and temperature are always displayed.

• The Digital Readouts in Circular Flasher View cannot be customized.

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Snapshot and Recording View

The Snapshot and Recording View displays the screen snapshots and

recordings that are saved on the optional-purchase MMC/SD card installed in

the control head. Use this view to review the snapshot and recording file

details, start recording, and adjust the recording settings.

• Activate Screen Snapshot: Select Screen Snapshot from the Setup

Menu Tab, and select On. Also, install an optional-purchase MMC/SD

card in the control head, and make sure Snapshot and Recording View

is set to Visible on the Views Menu Tab.

• Scroll and View: Use the UP and DOWN Cursor keys to scroll through

the saved Screen Snapshots and Recordings. The active file is

highlighted with arrows. Press the RIGHT Cursor key to view the file.

• Snapshot and Recording X-Press™ Menu: Press the MENU key once

in this view to open the X-Press™ Menu. Use the X-Press™ Menu to

Start Recording, Delete Images, or adjust the Recording and Playback

settings (see Recording and Playback or Snapshot and Recording X-

Press™ Menu).

Snapshot and Recording View

File Name

Highlighted

Time and Date

Screen

the Screen

Snapshot or

Snapshot

Recording was

taken.

Press the

UP or

Latitude/Longitu

DOWN

de Position of

Cursor keys

Waypoint

to scroll

through

saved

screen

snapshots

and

recordings.

Total amount of

space on card

Saved

recording

Views

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Screen Snapshots

Screen Snapshots are saved pictures of the view on the screen. The screen

snapshot will include the menus, dialog boxes, warnings, and messages that

were active when the screen snapshot was taken. Saved Screen Snapshots can

be viewed from the Snapshot and Recording View or Chart View.

The Screen Snapshot feature is available when an optional-purchase MMC/SD

card is installed and Screen Snapshot is On (see Setup Menu Tab, Screen

Snapshot).

Make a Screen Snapshot

Make a Screen Snapshot:

1. Activate Screen Snapshot and

install an MMC/SD card.

Waypoint saved

at Cursor

Location

2. From any view or cursor location

you want to capture, press the

MARK key. The screen will pause

while the image is saved.

Screen Snapshot

Confirmation

A waypoint will also be created at

the boat or active cursor location.

The screen snapshot shares the

same file name (.PNG).

File Name

Delete a Screen Snapshot

Delete a Screen Snapshot:

1. From the Snapshot and Recording

View, press the UP or DOWN

Cursor keys to scroll through the

From Snapshot

and Recording

View, select

Delete Image

from the

saved files and highlight

snapshot file.

X-Press™ Menu.

2. Press the Menu key once, and

select Delete Image from the

X-Press™ Menu.

3. Press the RIGHT Cursor key.

NOTE: Navigation is not affected by the Screen Snapshot feature. Also, if Screen Snapshot is

enabled, but a GPS receiver is not connected, pressing the MARK key will capture the screen

image but an error will display that says a GPS position fix is required to create a waypoint.

Views

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View a Screen Snapshot

View a saved Screen Snapshot from

Snapshot and Recording View:

Snapshot File

Name

1. From the Snapshot and Recording

View, press the UP or DOWN

Cursor keys to scroll through the

Time + Date of

Snapshot

saved files and highlight

snapshot file.

Waypoint

Position

Highlighted File

2. Press the RIGHT Cursor key.

MMC/SD card

storage available

View a saved Screen Snapshot from

Chart View:

View Screen Snapshot in

Chart View

1. In Chart View, use the 4-WAY

Cursor Control key to move the

active cursor onto a Screen

Screen Snapshot

Icon and

Snapshot Icon

Waypoint Name

When the cursor snaps onto the

Screen Snapshot Icon, a thumbnail

preview of the Screen Snapshot will

be displayed on the screen.

Thumbnail

Preview

(press the INFO

key to view at

full size)

2. Press the INFO key, and select

View Snapshot.

3. Press the EXIT key to return to

Chart View.

Notes about Screen Snapshots:

• A border around the full screen indicates that the view is a saved screen

snapshot and not a “live” view.

• If you press the INFO key, and the snapshot file connected to the icon

is not saved on the installed MMC/SD card, the chart information box

will display instead of the screen snapshot.

• Use an optional-purchase MMC/SD card reader connected to a PC to

view the saved screen snapshot data files on your optional-purchase

MMC/SD card (see www.humminbird.com for details). You will notice

that a .DAT (or a .TXT) file is created for every .PNG screen snapshot.

This data file is required for viewing the screen snapshots from your

control head, so don’t delete these files.

Views

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Recording and Playback

The Recording feature records active sonar information. When the recording is

played back, the views that were active during the recording are available in

Playback. The Recording and Playback feature is available when an optional-

purchase MMC/SD card is installed and Screen Snapshot is On (see Setup

Menu Tab, Screen Snapshot). Saved Recordings can be played back from the

Snapshot and Recording View.

Start a Recording

Start recording:

1. From the Snapshot and

Recording View, press the MENU

key once to open the Snapshot

and Recording X-Press™ Menu.

From Snapshot

and Recording

View, select

Start Recording

from the

2. Highlight Start Recording, and

press the RIGHT Cursor key. A

waypoint will also be created at

the boat location, and the

recording shares the same file

name (.SON).

X-Press™ Menu.

Slider Bar

Stop recording:

1. In any view, press the MENU key

once to open the Snapshot and

Recording X-Press™ Menu.

2. Highlight Stop Recording and

press the RIGHT Cursor key.

Notes about Recording:

• While recording, press the EXIT key to exit the Snapshot and Recording

X-Press™ Menu and scroll to a different view. Recording will continue.

• The slider bar at the bottom of the Snapshot and Recording View shows

the recording progress and remaining space on the MMC/SD card.

• Pings Per Second: For maximum performance, keep the Pings Per

Second setting on Auto (see Snapshot and Recording X-Press™ Menu).

• Viewing saved Screen Snapshots and Recording Playback are not

available while in recording mode.

Views

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Playback a Recording

Playback a Recording:

1. From the Snapshot and Recording

View, press the UP or DOWN

Cursor keys to scroll through the

saved files and highlight a saved

Recording.

Recording File

Information

Highlighted File

2. Press the RIGHT Cursor key.

Change Playback Settings:

1. Press the MENU key once to

open the Snapshot and

Recording X-Press™ Menu.

Change Playback Settings

2. Use the X-Press™ Menu to

adjust the Sonar Recording’s

Sensitivity, Upper Range, Lower

Range, and the Playback Speed.

See Snapshot and Recording

X-Press™ Menu for details.

“Playback”

indicates the

control head is

playing a saved

recording.

Open the

X-Press™ Menu

to adjust

Playback

Stop Playback:

1. Press the MENU key once to

open the Snapshot and

Recording X-Press™ Menu.

settings.

You can also use

Freeze Frame

and mark

2. Highlight Stop Playback, and

press the RIGHT Cursor key.

waypoints.

Delete a Recording

Delete a Recording:

1. From the Snapshot and

Recording View, press the UP or

DOWN Cursor keys to scroll

through the saved files and

highlight a saved Recording.

From Snapshot

and Recording

View, select

Delete

Recording from

the X-Press™

Menu.

2. Press the Menu key once, and

select Delete Recording from the

X-Press™ Menu. Press the

RIGHT Cursor key.

Views

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Notes about Playback:

• “Playback” will flash periodically on the screen to indicate that the control

head is playing a saved recording and not a “live” view.

• Navigation is not affected by the Sonar Recording feature, but any active

navigation is cancelled and thumbnails and icons disappear when

Playback begins or ends.

• Playback is paused automatically at the end of the recording.

• Freeze Frame: Press the 4-WAY Cursor Control key to pause Playback

and move the Active Cursor to a location on the sonar view. The Cursor

dialog box will show the depth and information for the location you

choose. Press Exit to resume Playback.

• Press the MARK key during Playback to save a Screen Snapshot

and/or mark a waypoint in the view or active cursor location you

choose.

Recording Playback

Name of recording

Time and Date

recording started

Position where

recording started

Current Ping Rate

Average Ping Rate

Amount of time

remaining to play

Playback speed icons

Amount of time

already played

Amount of time

remaining to play

Overall length of

recording

Views

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Bird’s Eye View

Bird's Eye View shows a 3D perspective view of the track and the chart’s land

contour from a point above and behind the boat (the eye point). As the boat turns,

the eye point moves to follow the boat.

• To shift the eye point position so that you can look off to the sides, or

even behind the boat: Press the RIGHT or LEFT Cursor keys to turn the

eye point right or left. Press the UP Cursor key to move the eye point

forward, and press the DOWN Cursor key to move the eye point

backward.

• Press the EXIT key to move the eye point back to its original position

behind and above the boat.

Bird’s Eye View

Latitude and

Longitude

Depth

Position

of Boat

Boat Icon

Land Contours

Speed of Boat

Bearing of Boat

with Respect to

True North

Views

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Chart View

Chart View shows cartography from the built-in UniMap™ or an optional

MMC/SD map for the area surrounding your current position. The current track

(also known as the position history or breadcrumb trail) showing where the

boat has been, along with saved tracks, waypoints, and the current route (when

navigating), are overlaid on the chart.

• Use the 4-WAY Cursor Control key to shift/pan the chart to another area.

• Press the ZOOM (+/-) keys to zoom in and out.

• Press the INFO key to get information about the chart objects near the

cursor.

Chart View without Active Cursor, shown with

Optional-Purchase Navionics® Cartography

Depth

Cartography

Map Scale

Speed of Boat

Bearing of Boat

with Respect

to True North

Water Surface

Temperature

Views

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Chart View with Active Cursor, shown with

Optional-Purchase Navionics® Cartography

Depth

Cartography

Active Cursor

Map Scale

Latitude and

Longitude

Position

of Cursor

Distance to the

Cursor and

Bearing

to Cursor

Views

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Chart/Sonar Combo View

Combo View is displayed as a split screen, with Chart View on the left and

Sonar View on the right side of the screen. To change the width of the Sonar

Window, press the MENU key once and select Sonar Window from the

X-Press™ Menu.

Combo View

Depth

Sonar Window

Cartography

Map Scale

Speed of Boat

Bearing of

Boat with

Respect to

True North

Water

Surface

Temperature

Views

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View Orientation

Both Chart and Combo Views allow you to choose the orientation of the view

(see Navigation Menu Tab: Chart Orientation). In both orientations, the view

pans automatically so that the boat is always centered on the display.

• North-Up: True North is shown at the top of the display. Objects located

to the north of the boat are drawn above the boat.

• Course-Up: The direction of motion of the boat is shown at the top of the

display. Objects ahead of the boat are drawn above the boat.

When the boat is stationary, it is drawn as a circle. When the boat is in motion,

it takes on a boat shape, pointed in the direction of motion (always Up in the

Course-Up orientation).

Viewing Cartography

In the Chart or Combo Views there are several cartography-related functions

that you can access using various keys.

Panning: Use the 4-WAY Cursor Control

key to move the chart around on the

display in the direction of the key being

pressed. When you do this, a bull's eye

cursor is drawn at the center of the screen

and is linked to the boat by a gray line, even

if the boat is off the screen. At the same

time, the temperature and speed boxes in

the lower left corner are replaced with the

distance and bearing from the boat to the

cursor position and the latitude/longitude

coordinates of the cursor.

Chart View with Cursor Present,

shown with Optional-Purchase

Navionics® Cartography

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Zooming: Press the Plus (+) key to Zoom In and the Minus (-) key to Zoom Out to

see the cartography at different magnification levels. The zoom level is indicated

on the left side of the display. If you zoom in beyond the available chart data, the

display will go into Overzoom mode whereby the last available chart data is

amplified to reflect the level selected. If you zoom in so far that no cartography is

available, a lat/long grid will be drawn instead.

Screen Snapshots and Recording Icons: When a waypoint is created while

Screen Snapshot and Recording is active, the waypoint will appear as a

snapshot icon or recording icon in chart views. See Views: Snapshot and

Recording View for more information.

Chart Info: Press the INFO key to get detailed information about the chart. If

the cursor is active, you will see information about the chart objects located

near the cursor.

If the cursor is not active, the Chart Info

submenu will appear. Use the 4-WAY Cursor

Control key to select the nearest port, the

nearest tide station, or the nearest current

station and see information about any of these

objects.

NOTE: The built-in UniMap™ does not contain any

Port, Tide, or Current information. This information is

only available from optional-purchase MMC/SD cards.

Nearest Port: The position and services information for the nearest port to your

present position will be displayed. Press the EXIT key to remove the information

box and the cursor bull’s eye will be centered over the port position. The cursor

information boxes at the bottom of the display will indicate the distance and

bearing to the port from your present position.

Nearest Tide Station: Tide information for the nearest tide station to your

present position will be displayed. This includes the position of the station and

the times of the high and low tides for today’s date. A tide graph is also

displayed showing the rise and fall of the tides for the 24 hour time period

encompassing the date. You can change the date to look at tide information

before or after the date displayed by pressing the LEFT or RIGHT Cursor key

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respectively. Press the EXIT key to remove the information box, and the cursor

bull’s eye will be centered over the tide station position. The cursor information

boxes at the bottom of the display indicate the distance and bearing to the tide

station from your present position.

Nearest Current Station: Current information for the nearest current station to

your present position will be displayed. This includes the position of the station

and the current changes for today. Two graphs are also presented that show the

time, direction, and flow speed of the current changes for the 24 hour time

period of today’s date. You can change the date to look at current information

before or after the date displayed by pressing the LEFT or RIGHT Cursor key

respectively. Press the EXIT key to remove the information box, and the cursor

bull’s eye will be centered over the current station position. The cursor

information boxes at the bottom of the display will indicate the distance and

bearing to the current station from your present position.

Views

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Introduction to Navigation

Use your 300 Series™ Fishfinder to mark waypoints at areas of interest and to

navigate to those waypoints via a savable route. A route represents the shortest

intended distance between waypoints. You can also view and save tracks,

which represent the actual path of the boat.

Waypoints, Routes, and Tracks

Waypoints are stored positions (latitude, longitude) that allow you to mark

areas of interest or navigation points (i.e. a marker buoy, dock, or fishing hole).

Your Fishfinder can store up to 3000 waypoints.

Routes link two or more waypoints together to create a path for navigation and

are used in trip planning. You can link individual waypoints together by using the

GOTO key. A route represents your intended navigation and shows the shortest

path from each waypoint to the next. As you travel a route, staying on the route

line is the most efficient way to get to your destination, although you should

always look out for obstacles not shown on the chart. Your 300 Series™

Fishfinder can store up to 50 routes that can each contain up to 50 waypoints.

Tracks consist of detailed position history and are displayed as a breadcrumb

trail of trackpoints. The Current Track shows the position history since the unit

was powered up (maximum of 20,000 trackpoints displayed). You can clear the

Current Track or save it at any time. Your 300 Series™ Fishfinder can store up

to 50 saved tracks, each containing 20,000 trackpoints. The current track

represents your actual path so far.

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Waypoints, Routes, and Tracks

Depth

Decluttered

Waypoints

Track

Waypoint

Route

XTE: Cross Track

Error. Distance

of Boat from

Route

DTG:

Distance to

Go to

Waypoint

BRG: Bearing to

Waypoint

Water

Surface

Temperature

Bearing of Boat

with Respect to

True North

Speed of Boat

NOTE: When two or more waypoints overlap, or are displayed close together on a

chart view, the screen will automatically declutter—waypoint names will shorten

and the waypoint icons will change into small gray icons.

To view a Decluttered Waypoint at full size, use the 4-WAY Cursor Control key to

move the cursor onto a decluttered waypoint icon. When the cursor snaps onto the

icon, the full-size waypoint name and icon will be displayed. You can also press the

ZOOM+ key until you can see the individual waypoints on the screen. See

Navigation Menu Tab: Waypoint Decluttering to turn off this feature.

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Save, Edit, or Delete a Waypoint

Save your current position as a waypoint: On any view, press the MARK key to

save the current position of the boat as a waypoint.

Save the cursor position as a waypoint: On the Chart or Combo View, use the 4-

WAY Cursor Control key to move the cursor to the position you want to save as a

waypoint. Then press the MARK key to save the position as a waypoint.

Save a position from the sonar history: On any Sonar View, use the 4-WAY Cursor

Control key to move the cursor to a feature in the sonar history (also called the

Sonar Saver feature). Press the MARK key to create a waypoint at the location

where that sonar reading was taken. The new waypoint will also record the depth

at that location.

NOTE: When you save a waypoint by any of these methods, a numerical

waypoint name is automatically assigned. You can edit the waypoint information

later to give it a different name and select an icon to represent it (see Program

or Edit the waypoint fields).

Display the Waypoints Submenu: From any view, press the MENU key twice to

display the Main Menu, then use the RIGHT Cursor key to select the Navigation

tab. Select Waypoints, and press the RIGHT Cursor key to display the Waypoints

submenu.

Program a specific position as a waypoint: To create a waypoint that is NOT

your current position, from the Waypoints submenu select Create, and press

the RIGHT Cursor key. Use the 4-WAY Cursor Control key to program a waypoint

name, latitude, longitude, and icon before selecting Save.

Edit a waypoint: From the Waypoints submenu, select Edit and press the

RIGHT Cursor key to display the saved waypoints list. Select the waypoint you

want to edit and press the RIGHT Cursor key. Use the 4-WAY Cursor Control key

to edit a waypoint name, latitude, longitude, and icon before selecting Save.

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To make it easier to select a waypoint to edit, select Sort By and press the

RIGHT or LEFT Cursor keys to select a sort order:

• Name shows the waypoints alphabetically.

• Time shows the most recently-created waypoint first.

• Distance shows the closest waypoint first.

Program or Edit the waypoint fields: Use the 4-WAY Cursor Control key to

move from field to field, and the UP and DOWN Cursor keys to change values

once you are in a field.

In the Waypoint Name, Latitude, and Longitude fields, press the UP and

DOWN Cursor keys to change the letter or number. All upper and lower case

letters are available, as well as digits 0-9 and some punctuation characters.

In the Waypoint Icon field, press the UP and DOWN Cursor keys to change

the icon used to represent the waypoint on the Combo and Chart Views. You

can exit these fields with the LEFT and RIGHT Cursor keys or by pressing the

EXIT key.

Delete a waypoint: From the Waypoints submenu, select Delete, and press the

RIGHT Cursor key to display the saved waypoints list. Select the waypoint you

want to delete, then press the RIGHT Cursor key. You will be asked to confirm

deletion before the waypoint is permanently deleted.

Navigate to a Waypoint or Position

Navigate to the cursor position: From the Chart or Combo View, use the

4-WAY Cursor Control key to move the cursor to a position or waypoint on the

display. Press the GOTO key. Navigation will begin immediately.

Navigate to a specified waypoint: Press the GOTO key. Press the DOWN Cursor

key to highlight a waypoint from the saved waypoints list, and press the RIGHT

Cursor key to start navigation.

NOTE: By repeating the previous instructions, you can add more waypoints to create

a longer multi-segment route.

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Chart View

Waypoint

Decluttered

Waypoints

Map

Scale

Skipping a waypoint: From the Navigation X-Press™ Menu, select Skip Next

Waypoint, and press the RIGHT Cursor key. If there is not another waypoint to

skip to, navigation will be cancelled.

Cancel navigation: From the Navigation X-Press™ Menu, select Cancel

Navigation, and press the RIGHT Cursor key. Canceling navigation removes the

route and any waypoints created using the GOTO key, but it does not remove

any saved routes from memory. You will be prompted to save the current route

when you cancel navigation.

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Add a Waypoint Target or Trolling Grid

The Waypoint Target shows a target consisting of concentric circles in various

distance ranges centered on the waypoint you choose. The Trolling Grid shows

various distance ranges in grid format from the waypoint you choose. The

trolling grid can be used as a guide when trolling around a waypoint.

Chart View with Target

Add a Waypoint Target: From the

Waypoints submenu, select Target, and

press the RIGHT Cursor key to display the

saved waypoints list. Select a waypoint

and press the RIGHT Cursor key.

Add a Trolling Grid: From the Waypoints

submenu, select Grid, and press the

RIGHT Cursor key to display the saved

waypoints list. Select a waypoint and

press the RIGHT Cursor key. The grid can

also be rotated to any heading by

adjusting the Grid Rotation setting on the

Navigation Main Menu.

Waypoint

Target

Chart View with Grid

Remove Target or Trolling Grid: Press

the MENU key once, and choose Remove

Target or Remove Grid from the

Navigation X-Press™ Menu.

Trolling

Grid

NOTE: Only one waypoint can have either a target or a grid applied to it at one time.

If you apply a target or a grid to a new waypoint, the original waypoint will lose its

target or grid.

NOTE: The spacing of the rings on the waypoint target and the spacing of the grid lines

on the trolling grid are the same as the length of the scale bar on the left edge of the

display. Zooming in or out will decrease or increase the spacing, respectively.

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Save, Edit, or Delete a Route

Save the current route: While you are navigating, the current route can be

saved. From the Navigation X-Press™ Menu, select Save Current Route, and

press the RIGHT Cursor key. Navigation will continue.

Display the Routes submenu: From any view, press the MENU key twice to

display the Main Menu, then press the RIGHT Cursor key to select the

Navigation tab. Press the DOWN Cursor key until Routes is highlighted, and

press the RIGHT Cursor key to display the Routes submenu.

Create a route: From the Routes submenu, select Create and press the RIGHT

Cursor key. A Route Edit dialog box will be displayed with an empty route. You

can name the route, add waypoints to the route from the saved waypoints list,

and order the waypoints in the route using the 4-WAY Cursor Control key to

move between fields.

Edit a saved route: From the Routes submenu, select Edit and press the RIGHT

Cursor key. A Route Edit dialog box will be displayed. Select the route you want

to edit and press the RIGHT Cursor key. Re-name the route or change, delete,

or re-order the waypoints used in the route.

Edit waypoint order in a route: From the Route Edit dialog box, highlight a

waypoint in the In Route list, and press the RIGHT Cursor key to access the

Waypoint In Route submenu. From this submenu, you can move the waypoint

up or down in the route order or delete it from the list.

Delete a saved route: From the Routes submenu, select Delete and press the

RIGHT Cursor key. Select the route you want to delete and press the RIGHT

Cursor key. You will be asked to confirm your choice by pressing the RIGHT

Cursor key again before the route is deleted.

Travel a saved route: From the Routes submenu, select Travel, and press the

RIGHT Cursor key. The saved routes list will appear. Select the route you want to

travel, and press the RIGHT Cursor key to make this route the current route and

begin navigation. You may also travel the route in forward or reverse order by

changing the Direction setting in the saved routes list.

Introduction to Navigation

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Route Info: From the Routes submenu, select Info, and press the RIGHT Cursor

key. The saved routes list will appear. Select a route, and press the RIGHT

Cursor key. The following information will be displayed for the route you select:

The waypoints in the route, with the distance and bearing from each waypoint

to the next, as well as the distance and bearing from the current position to the

first waypoint in the route.

Save or Clear a Current Track

Save the current track: From the Navigation X-Press™ Menu, select Save

Current Track, and press the RIGHT Cursor key. The track will remain on the

display but will change from black to gray. To remove the track completely from

the display, see Edit, Delete, or Hide Saved Tracks.

NOTE: When you save a track, a name is automatically assigned. The track name

consists of a date/time stamp, but can be re-named later (see Edit, Delete, or Hide

Saved Tracks).

Clear the current track: From the Navigation X-Press™ Menu, select Clear

Current Track, and press the RIGHT Cursor key. The track will be removed from

the display and permanently deleted.

Edit, Delete, or Hide Saved Tracks

Display the Saved Tracks Submenu: From any view, press the MENU key twice

to display the Main Menu, then press the RIGHT Cursor key to select the

Navigation tab. Select Saved Tracks, and press the RIGHT Cursor key to display

the Saved Tracks submenu.

Edit a saved track: From the Saved Tracks submenu, select Edit, and press the

RIGHT Cursor key to display the saved tracks list. Select the track you want to edit

and press the RIGHT Cursor key.

When the Edit Track dialog box appears, use the Cursor keys to move between

fields. In the Name field, the UP and DOWN Cursor keys change the letter or

number. All upper and lower case letters are available, as well as digits 0-9 and

some punctuation characters. You can exit the Name field with the LEFT and

RIGHT Cursor keys or by pressing the EXIT key. Select Save and press the RIGHT

Cursor key to save your changes.

Introduction to Navigation

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Delete a saved track: From the Saved Tracks submenu, select Delete, and press

the RIGHT Cursor key to display the saved tracks list. Select the track you want

to delete and press the RIGHT Cursor key. You will be asked to confirm deletion

before the track is permanently deleted.

Hide or display a saved track: From the Saved Tracks submenu, select Visibility,

and press the RIGHT Cursor key to display the saved tracks list. Select the track

you want to hide or display and press the RIGHT or LEFT Cursor keys to select

Hidden or Visible. Press the EXIT key to return to the Saved Tracks submenu.

Add Maps to Your Fishfinder

Your 300 Series™ Fishfinder includes a built-in UniMap™ with a more detailed

map of North America (Domestic models) or a more detailed map of Europe and

Southeast Asia, including Australia and New Zealand (International models).

You can also purchase MMC/SD cards with additional chart information for a

particular location. When you install the MMC/SD cards in your control head, your

300 Series™ Fishfinder will retrieve that chart and display it automatically.

NOTE: The MMC/SD Cards require a separate purchase. Your 300 Series™ Fishfinder supports

Navionics® Gold, HotMaps™ and HotMaps™ Premium on MMC or SD card media. Your 300

Series™ Fishfinder does NOT support Navionics® Classic Charts or Platinum™ Cartography.

To insert an MMC/SD card:

1. Remove the MMC/SD slot cover.

2. Position the MMC/SD card so that the label

faces the right side of the unit, and insert the

card into the slot. Press down on the card

until it clicks into place.

Inserting an MMC/SD

into the Card Slot

3. Close the slot cover and turn the knob just

1/4 of a turn to close. Do NOT overtighten, as

this will not improve water resistance and

may damage the cover.

4. To Remove: Press the MMC/SD card into the

slot and then release. The card will eject, and

you can then pull the card from the slot.

Introduction to Navigation

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Export Navigation Data

You can export all saved Tracks, Waypoints, and Routes from your Fishfinder to

an optional-purchase MMC/SD card.

To Export All Navigation Data:

1. Make sure that an optional-purchase MMC/SD card is installed in the slot.

2. Press the MENU key twice to access the Main Menu, then press the

RIGHT Cursor key until the Navigation tab is selected.

3. Highlight Export All Nav Data and press the RIGHT Cursor key. The

Confirm dialog box will appear. To confirm export, press the RIGHT

Cursor key once more. To cancel export, press the LEFT Cursor key.

NOTE: If an MMC/SD card is not installed, an error message will be displayed. Insert

the MMC/SD card and try again.

NOTE: The MMC/SD cards and MMC/SD Card Reader require separate purchases. The

MMC/SD Card Reader accessory can be used in conjunction with your personal

computer to view and organize your exported navigation data. To purchase this

accessory, visit our web site at www.humminbird.com or contact our Customer

Resource Center at 1-800-633-1468.

Introduction to Navigation

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What’s on the 300 Series™ Control Head

Your 300 Series™ Fishfinder interface is easy to use. A combination of keys and

special features allows you to control what you see on the display. Refer to the

following illustration, and see Key Functions for more information.

Screen

MARK key

EXIT key

ZOOM (-) key

ZOOM (+) key

VIEW key

GOTO key

POWER/LIGHT key

INFO key

4-WAY Cursor Control key

(LEFT, RIGHT, UP, or DOWN Cursor keys)

MMC/SD Card slot cover

MENU key

What’s on the 300 Series™ Control Head

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Key Functions

Your Fishfinder user interface consists of a set of easy-to-use keys that work

with various on-screen views and menus to give you flexibility and control over

your fishing experience.

POWER/LIGHT Key

The POWER/LIGHT key is used to power the Fishfinder on and off.

You can also use the POWER/LIGHT key to adjust the backlight

and contrast of the display.

Power On the control head: Press the POWER/LIGHT key to power on the unit.

When the Title screen is displayed, press the MENU key to access the Start-Up

Options Menu.

Power Off the control head: Press and hold the POWER/LIGHT key for 3

seconds. A message will appear to indicate how many seconds there are until

shutdown occurs. To ensure that shutdown occurs properly and any menu

settings will be saved, your Fishfinder should always be turned off using the

POWER/LIGHT key.

Adjust the Backlight or the Display Contrast:

Press the POWER/LIGHT key to access the Light

and Contrast submenu. Use the 4-WAY Cursor

Control key to select Light or Contrast, and then

use the LEFT or RIGHT Cursor key to change the

settings. Press EXIT to exit the Light and Contrast

submenu.

NOTE: Your 300 Series™ Fishfinder will start up with the backlight on and will

automatically turn it off to conserve power.

Key Functions

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VIEW Key

The VIEW key is used to cycle through all available views. Press the

VIEW key to advance to the next view. Repeatedly pressing VIEW

cycles through all views available. Views can be hidden to optimize the system to

your fishing requirements (see Views or Views Menu Tab).

NOTE: Press the EXIT key to cycle through the views in reverse order.

INFO Key

Press the INFO key while in Bird's Eye, Chart, or Combo View to

display information about objects that are near an active cursor.

If the cursor is not active, the Chart Info submenu will be

displayed. See Views: Viewing Cartography for more information.

MENU Key

The MENU key is used to access the menu system. See The

Menu System for more information.

• Start-Up Options Menu: Press the MENU key during the power up

sequence to view the Start-Up Options menu.

• X-Press™ Menu: Press the MENU key once in any view to access the

X-Press™ Menu, which provides frequently-used menu settings that

correspond with the current view or navigation mode.

• Main Menu: Press the MENU key twice in any view to access the Main

Menu, which is organized under tabbed headings to help you find a

specific menu item quickly.

Key Functions

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4-WAY Cursor Control Key

(LEFT, RIGHT, UP, or DOWN Cursor keys)

The 4-WAY Cursor Control key has multiple functions, which

depend on the view, menu, or situation.

• Menu Selection: Press the DOWN or UP Cursor keys to highlight a

menu option, then press the RIGHT or LEFT Cursor keys to change a

menu setting. The changes will be activated and saved immediately.

• Freeze Frame: In Sonar View, press any arrow on the 4-WAY Cursor

Control key to freeze the display and move the active cursor to a location

on the screen. A cursor dialog box will display to show the depth of the

location you choose.

• Active Cursor: Press any arrow on the 4-WAY Cursor Control key, and

the active cursor will appear on the screen.

• In any Chart View, the 4-WAY Cursor Control key also pans the charts

and highlights decluttered waypoint icons.

NOTE: In Freeze Frame or Active Cursor mode, you can also make the cursor move

diagonally by pressing in between two of the arrows on the 4-WAY Cursor Control

key.

• Bird’s Eye View: The 4-WAY Cursor Control key controls the motion of

the eye point.

• Snapshot and Recording View: Press the UP or DOWN Cursor keys to

highlight a recording icon, and then press the Right Cursor key to start

recording playback. Press the Right and Left Cursor keys to control the

speed of playback.

Key Functions

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MARK Key

Press the MARK key while in any view to mark the position of a

waypoint. The MARK key function works if you have the GPS

receiver connected.

• Active Cursor: The waypoint will be marked at the cursor location.

• Without Active Cursor: The waypoint will be marked at the boat

location.

• If Screen Snapshot is active, a waypoint will be created, and a screen

snapshot will also be saved to the optional-purchase MMC/SD card (see

Views: Snapshot and Recording View). Navigation is not affected by

the Screen Snapshot feature.

NOTE: If Screen Snapshot is enabled but there is not a GPS receiver connected,

pressing the MARK key will capture the screen image and display an error saying that

a GPS position fix is required to create a waypoint.

NOTE: You must have an optional-purchase MMC/SD card installed for the screen

snapshot feature to work.

GOTO Key

The GOTO key has multiple functions, which depend on the

situation.

• Active Cursor: Press the GOTO key while in any view to create a

waypoint and start navigation towards that waypoint.

• Without Active Cursor: Press the GOTO key to display the saved

waypoints list, and then highlight a waypoint. Press the RIGHT Cursor

key to begin navigation.

ZOOM (+/-) Key

In any of the Navigation Views or the Sonar Zoom View,

press the +/-Zoom key to change the scale of the view to

appear closer or farther away.

Key Functions

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EXIT Key

The EXIT key has multiple functions, which depend on the

situation:

• If an alarm is sounding, press the EXIT key to cancel the alarm.

• If a menu tab is selected, press the EXIT key to exit the menu mode and

return to the view.

• If a menu is active, press the EXIT key to return to the previous level in

the menu system.

• From any view, press the EXIT key to cycle through the available views

in reverse order.

• If Freeze Frame is active, press the EXIT key to return to a scrolling

display.

• If the Cursor is active, press the EXIT key to remove the cursor from the

display.

Key Functions

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Multi-Media Card

(MMC)/SD Slot

The multi-media card (MMC)/SD slot on your

control head can be used with MMC/SD cards

(optional-purchase required) to add detailed

charts to your Fishfinder or export navigation

data from your Fishfinder (see Introduction to

Navigation).

Inserting an MMC/SD

into the Card Slot

NOTE: The MMC/SD Cards require a separate purchase. For more information, visit our

web site at www.humminbird.com or contact our Customer Resource Center at

1-800-633-1468.

Multi-Media Card (MMC)/SD Slot

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The Menu System

The Menu System is divided into easy-to-use menu modules as follows:

• Start-Up Options Menu: Press the MENU key during the power on

sequence to view the Start-Up Options Menu. From the Start-Up

Options Menu, you can choose the following Fishfinder Modes:

Normal, Simulator, and System Status.

• X-Press™ Menu: The X-Press™ Menu provides a shortcut to the most

frequently-used settings, and the options on the X-Press™ Menu

correspond with the current view.

• Main Menu: The Main Menu is a standard set of menu settings which

are organized under the following tabbed headings: Alarms, Sonar,

Navigation, Chart, Setup, and Views.

NOTE: The X-Press™ Menu(s) and the Main Menu options can also be expanded or

simplified by setting the User Mode to Advanced or Normal (see Main Menu: User

Mode).

The Menu System

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Start-Up Options Menu

Press the MENU key during the power on sequence to view the Start-Up

Options Menu, and select one of the modes described on the following pages.

Also, see Power on the Unit for additional information.

Normal

Use Normal for on-the-water operation with a transducer connected. If a

functioning transducer is connected, Normal operation will be selected

automatically at power up, and your Fishfinder can be used on the water.

To exit Normal operation, power off your Fishfinder.

Start-Up Options Menu

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Simulator

Use Simulator to learn how to use your Fishfinder before taking your boat on the

water. The Simulator is a very powerful tool that provides a randomly-updated

display which simulates on the water operation.

Simulator

We recommend going through this manual

while using the Simulator, since all of the

menus function and affect the display in

the same way as they would in Normal

operation. Any menu changes you make

will be saved for later use.

NOTE: It is important to select Simulator

manually from the Start-Up Options Menu as

opposed to letting the Fishfinder enter

Simulator automatically (as it will if a

transducer is not connected and you do

nothing during power up).

A message will appear often on the

display to indicate Simulator mode.

To exit Simulator, power off your Fishfinder.

System Status

Use System Status to view system connections and to conduct a unit self-test.

After you select System Status from the Start-Up Options Menu, press the

VIEW key to display the following options:

• Self Test

• Accessory Test

• GPS Diagnostic View

To exit System Status, power off your Fishfinder.

Start-Up Options Menu

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Self Test Screen

Self Test displays results from the internal

diagnostic self test, including unit serial

number, Printed Circuit Board (PCB) serial

number, software revision, total hours of

operation, and the input voltage.

Accessory Test

Accessory Test lists the accessories

connected to the system.

NOTE: The speed accessory will be detected only

if the paddlewheel has moved since your

Fishfinder was powered up.

Start-Up Options Menu

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GPS Diagnostic View shows a sky chart and numerical data from the GPS

receiver. The sky chart shows the location of each visible GPS satellite with its

satellite number and a signal strength bar. A dark gray bar indicates that the

satellite is being used to determine your current position. A light gray bar

indicates that the satellite is being monitored, but is not yet being used.

This view also reports the current position, local time and date, and other

numeric information. The current GPS Fix Type is reported as No Fix, 2D Fix, 3D

Fix, or Enhanced. An Enhanced fix has been augmented using information from

WAAS, EGNOS, or MSAS. A 3D or Enhanced Fix is required for navigation.

HDOP (the Horizontal Dilution of Precision) is a GPS system parameter which

depends on the current satellite configuration. HDOP is used to calculate the

Estimated Position Error.

GPS Diagnostic View

Sky Chart

Fix Type

Satellite Being

Satellite

Being Used

Monitored

Current Latitude

and Longitude

Start-Up Options Menu

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X-Press™ Menu

The X-Press™ Menu provides a shortcut to your

most frequently-used settings. The options

provided on the X-Press™ Menu correspond

with the current view. For example, if you are in

a Sonar View and press the MENU key once, the

Sonar X-Press™ Menu will display.

X-Press™ Menu

To use an X-Press™ Menu:

1. In any view, press the MENU key once.

2. Press the UP or DOWN Cursor keys to highlight an X-Press™ Menu

option, then use the RIGHT or LEFT Cursor keys to change the menu

setting.

NOTE: The X-Press™ Menu will collapse temporarily and the screen will update if it is

affected by your menu setting change, which allows you to see the effects of your

change immediately.

3. Reactivate the X-Press™ Menu by pressing the UP or DOWN Cursor

keys.

Total Screen Update - When you change any menu settings that affect the

current view, the view will update immediately (i.e. you don’t have to exit the

menu to apply the change to the screen).

Menu options can be simplified or expanded by setting the User Mode to

Normal or Advanced. See Main Menu: User Mode for details.

X-Press™ Menu

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Main Menu

The Main Menu provides the standard set of

menu options, including the settings that are

changed less frequently. The Main Menu is

organized under the following tabs to help you

find a specific menu item quickly: Alarms,

Sonar, Navigation, Chart, Setup, and Views.

NOTE: Menu options can be expanded or simplified by

setting the User Mode to Advanced or Normal. See

Main Menu: User Mode for details.

Main Menu (Normal User Mode)

To use the Main Menu:

1. In any view, press the MENU key twice.

2. Press the RIGHT or LEFT Cursor keys to highlight a menu tab.

3. Press the DOWN or UP Cursor keys to select a specific menu option

under that tab.

4. Press the RIGHT or LEFT Cursor keys again to change a menu setting.

• A down arrow at the bottom of a menu means that you can scroll to

additional menu options using the DOWN Cursor key.

• A right or left arrow on a menu option means that you can use the RIGHT

or LEFT Cursor keys to make changes or to see more information.

• Press the EXIT key to move quickly to the top of the tab.

Total Screen Update - When you change any menu settings that affect the

current view, the view will update immediately (i.e. you don’t have to exit the

menu to apply the change to the screen).

Main Menu

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Quick Tips for the Main Menu

• From any menu option on a menu tab, press the EXIT key to jump directly

to the top of the tab.

• From the bottom of a menu tab, press the DOWN Cursor key to jump

directly to the top of the tab.

• From the top of a menu tab, press the LEFT or RIGHT Cursor keys to scroll

to the next tab. You can also jump to the beginning or end of the tab

rotation by repeatedly pressing the RIGHT or LEFT Cursor keys.

• If there is a down arrow at the bottom of a menu tab, press the DOWN

Cursor key to scroll to additional menu options.

• If there is a right or left arrow on a menu option, press the RIGHT or LEFT

Cursor keys to make setting changes or see more information.

• If you press MENU or EXIT to leave the Main Menu and then return to the

Main Menu at a later time, the menu will open to the same tab as the last

time the Main Menu was displayed.

Note for all Menu Settings

The settings in all menus are adjusted in the same way. Simply use the 4-WAY

Cursor Control key to highlight a menu option, and then change the settings or

activate the option (see Main Menu or X-Press™ Menu).

Below is an example of how the menu options are described in this manual.

Each description shows the menu option appearance, the available settings,

and the specific control head settings required (i.e. advanced user mode,

international only, view, navigation, or accesssory).

Menu Option Name

Setup User Mode

and other control

head requirements

Available Menu

Settings

and Default

Setting Description

Menu Option as it appears

on the screen

Main Menu

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User Mode (Normal or Advanced)

Menu options can be simplified or expanded by setting your Fishfinder User Mode

to Normal or Advanced.

Normal Mode is the default setting when you first power on your 300 Series™

Fishfinder. Normal mode is provided for users who want greater simplicity and

fewer menu choices.

Advanced Mode is provided for users who want the highest level of control over

the Fishfinder. Several menu settings are added to the Main Menu when the

User Mode is changed to Advanced.

To change the User Mode setting:

1. Press the MENU key twice to access the Main Menu.

2. Press the RIGHT Cursor key until the Setup tab is selected.

3. Press the DOWN Cursor key to highlight User Mode on the Setup main

menu.

4. Press the LEFT or RIGHT Cursor keys to change the User Mode setting.

(Normal, Advanced, Default = Normal)

NOTE: Any changes made while in Advanced Mode will remain in effect after you

switch back to Normal Mode.

For example, the Select Readouts menu option is available when the User Mode is set

to Advanced. If you change the Select Readouts settings while operating in Advanced

User mode, the Select Readouts you choose will continue to display on the screen even

if you switch back to Normal User Mode.

Main Menu

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Sonar Tab, Normal Mode

Sonar Tab, Advanced Mode

Main Menu

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Sonar X-Press™ Menu

(Sonar Views only)

The Sonar X-Press™ Menu provides a shortcut

to your most frequently-used settings. Press the

MENU key once while in any of the Sonar Views

to access the Sonar X-Press™ Menu.

NOTE: Menu options can be expanded or simplified

by setting the Fishfinder User Mode to Advanced or

Normal. See Main Menu: User Mode for details.

Sonar X-Press™ Menu

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Sensitivity

Settings: Low = 1, High = 20; Default = 10

Sensitivity controls how much detail is shown on the display and will adjust

the sensitivity of all sonar frequencies.

When operating in very clear water or greater depths, increase the sensitivity

to see weaker returns that may be of interest. If the sensitivity is adjusted too

high, the display may become too cluttered.

Decrease the sensitivity to eliminate the clutter from the display that is

sometimes present in murky or muddy water. If Sensitivity is adjusted too low,

the display may not show many sonar returns that could be fish.

NOTE: The Sensitivity setting is a global setting and will adjust the sensitivity of all

sonar frequencies.

Sensitivity at Low

Sensitivity at Medium

Sensitivity at High

Sonar X-Press™ Menu

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Upper Range

(Advanced: Sonar, Split Sonar, Circular Flasher,

and Big Digits Views only)

Settings: 0 to 990 ft or 0 to 327 m [International Models

only]; Default = 0

Upper Range sets the shallowest depth range that will be displayed on the Sonar,

Split Sonar, Circular Flasher, and Big Digits Views. Upper Range is often used with

Lower Range.

For example, if you are only interested in the area between 20 and 50 feet deep, you

should set the Upper Depth Range to 20 and the Lower Depth Range to 50. The Sonar

View will then show the 30 foot area between 20 and 50 and will not show the surface

or the bottom (assuming the bottom is deeper than 50 feet). Greater detail will be shown

for the area between 20 and 50 feet.

NOTE: A minimum distance of 10 feet will be maintained between the Upper and

Lower Range regardless of the manual settings entered.

Lower Range

Settings: AUTO, 10 to 1000 ft, 3 to 330 m [International

Models only]; Default = AUTO

Lower Range sets the deepest depth range that will be displayed by the unit.

Auto: The Lower Range will be adjusted by the unit to follow the bottom

automatically. Auto is the default setting.

Manual: You can adjust the Lower Range to lock the unit on a particular depth.

“M” will be displayed in the lower right corner of the screen to indicate the unit

is in Manual mode. Adjust the Upper and Lower Range together to view a

specific depth range, especially when looking for fish or bottom structure.

For example, if you are fishing in 60 feet of water but are only interested in the first 30

feet (surface to a depth of 30 feet), you should set the Lower Depth Range limit to 30.

The display will show the 0 to 30 foot range, which allows you to see a more detailed

view than you would see if the display went all the way to the bottom.

NOTE: A minimum distance of 10 feet will be maintained between the Upper and

Lower Range regardless of the manual settings entered.

Sonar X-Press™ Menu

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Chart Speed

Settings: 1-9, Ultra, where 1 = Slow, 9 = Fast, Ultra =

Fastest; Default = 5

Chart Speed determines the speed at which the sonar information moves across

the display, and consequently the amount of detail shown.

A faster speed shows more information and is preferred by most anglers;

however, the sonar information moves across the display quickly. A slower speed

keeps the information on the display longer, but the bottom and fish details

become compressed and may be difficult to interpret. Regardless of the Chart

Speed setting, the RTS Window™ will update at the maximum rate possible for

the depth conditions.

Bottom View

Settings: Inverse, Structure ID®, WhiteLine™, Bottom

Black; Default = Inverse

Bottom View selects the method used to represent bottom and structure on the

display. See What’s on the Sonar Display: Bottom Presentation for more

information.

Bottom Range

(Sonar Zoom View only when Bottom Lock is On)

Settings: 10 - 60 feet, 2-10 fathoms, or 3-20 meters

[International Models only], Default = 15 feet

Bottom Range allows you to control how much of the water column, measured

up from the bottom, is shown in the Sonar Zoom View. Choose a small value to

see low-lying bottom structure or details of the bottom return. Choose a larger

value to see large structure in deeper water.

NOTE: It is possible to set the Bottom Range to be greater than the depth. In this case,

you may see surface clutter in a wavy band that mirrors changes in the depth.

Sonar X-Press™ Menu

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Bottom Lock

(Sonar Zoom View only)

Settings: Off, On; Default = Off

Bottom Lock changes the mode of the zoomed view in the Sonar Zoom View.

Bottom Lock continuously graphs the bottom at a constant point on the display

regardless of changes in depth. This “flattens“ out the bottom contour but is

effective at showing fish on or near the bottom.

Cancel Navigation

(only when Navigating)

Settings: Follow screen instructions to activate.

Cancel Navigation discards the current route and exits Navigation Mode. This

menu option will only appear when you are currently navigating a route. This

will not delete a previously-saved route.

Sonar X-Press™ Menu

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Navigation X-Press™ Menu

(Navigation Views only)

The Navigation X-Press™ Menu provides a

shortcut to your most frequently-used settings.

Press the MENU key once while in the Bird's

Eye, Chart, or Combo View to access the

Navigation X-Press™ Menu.

NOTE: Menu options will vary depending on system

settings, such as whether you are currently navigating.

Navigation X-Press™ Menu

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Waypoint [Name]

(Only with an active cursor on a waypoint)

Settings: Edit, Delete, Target, Grid

Waypoint [Name] allows you to view the Waypoints submenu for the waypoint

under your cursor. You can move the cursor onto an existing waypoint and press

the MENU key once, or use Cursor to Waypoint to select a waypoint from the

saved waypoints list.

NOTE: See Introduction to Navigation for more Waypoints information.

The Waypoint Submenu contains the following menu options:

Edit allows you to edit the Name, Position (Latitude and Longitude), and

select the Icon that will be used to represent the waypoint in the Chart

and Combo Views.

Delete allows you to delete a waypoint from the saved waypoints list.

Target allows you to apply a target to a waypoint selected from the

saved waypoints list.

Grid allows you to apply a trolling grid to a waypoint selected from the

saved waypoints list.

Cursor to Waypoint

(Chart or Combo View only)

Settings: Follow screen instructions to activate.

Cursor to Waypoint allows you to quickly move the cursor to any saved

waypoint so that you can locate it or edit it. This X-Press™ Menu option only

appears if you have saved waypoints.

Save Current Track

Settings: Follow screen instructions to activate.

Save Current Track allows you to save the current track on the display. After

the current track is saved, a new current track is started. Save Current Track

appears on the Navigation X-Press™ Menu after navigation is stopped.

Navigation X-Press™ Menu

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Clear Current Track

Settings: Follow screen instructions to activate.

Clear Current Track allows you to clear the current track on the display and

start a new track at the present position.

Save Current Route

(only when Navigating)

Settings: Follow screen instructions to activate.

Save Current Route allows you to save the current route being displayed. This

menu option will only appear when you are currently navigating a route.

Skip Next Waypoint

(only when Navigating)

Settings: Follow screen instructions to activate.

Skip Next Waypoint removes the next waypoint from the current route. This

menu option will only appear when you are currently navigating a route.

Cancel Navigation

(only when Navigating)

Settings: Follow screen instructions to activate.

Cancel Navigation discards the current route and exits Navigation Mode. This

menu option will only appear when you are currently navigating a route. This

will not delete a previously-saved route.

Remove Target

(only if a Target is Active)

Settings: Press the RIGHT Cursor key to activate.

Remove Target removes the waypoint target from the display. This menu option

will only appear when a target has already been applied to a waypoint.

NOTE: See Introduction to Navigation: Add a Waypoint Target or Trolling Grid for

more information.

Navigation X-Press™ Menu

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Remove Grid

(only if a Grid is Active)

Settings: Press the RIGHT Cursor key to activate.

Remove Grid removes the waypoint grid from the display. This menu option will

only appear when a grid has already been applied to a waypoint.

NOTE: See Introduction to Navigation: Add a Waypoint Target or Trolling Grid for

more information.

Sonar Window

(Combo View only)

Settings: Wide, Medium, Narrow; Default = Medium

Sonar Window sets the size of the Sonar Window in the Combo View. Sonar

Window can only be accessed from the Combo View.

Waypoint [Name]

(Most recently-created waypoint)

Settings: Edit, Delete, Go To, Target, Grid

Waypoint [Name] allows you to view the waypoints submenu for the most

recently created waypoint. You must have pressed the MARK key at least once

since you last powered up the Fishfinder for this menu option to appear.

NOTE: See Introduction to Navigation for more information.

The Waypoint Submenu contains the following menu options:

Edit allows you to edit the Name, Position (Latitude and Longitude), and

select the Icon that will be used to represent the waypoint in the Chart

and Combo Views.

Delete allows you to delete a waypoint from the saved waypoints list.

Go To allows you to select a waypoint and start navigation toward that

waypoint, or add that waypoint to the end of the current route.

Target allows you to apply a target to a waypoint selected from the

saved waypoints list.

Grid allows you to apply a trolling grid to a waypoint selected from the

saved waypoints list.

Navigation X-Press™ Menu

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Snapshot and Recording

X-Press™ Menu

(Snapshot and Recording View only)

The Snapshot and Recording X-Press™ Menu

provides access to the snapshot management

and sonar recording functions. Press the

MENU key once while in the Snapshot and

Recording View to access the Snapshot and

Recording X-Press™ Menu.

NOTE: For more information, see Views: Snapshot

and Recording View.

Snapshot and Recording

X-Press™ Menu

Snapshot and Recording X-Press™ Menu

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Start Recording

(optional-purchase MMC/SD Card, Snapshot and

Recording View only)

Settings: Press the RIGHT Cursor key to activate.

Start Recording allows you to start sonar recording from the Snapshot and

Recording View. This menu option is only available when an optional-purchase

MMC/SD card is installed and Snapshot and Recording View is on the screen.

Stop Recording

(optional-purchase MMC/SD Card only)

Settings: Press the RIGHT Cursor key to activate.

Stop Recording allows you to stop sonar recording. This menu option is only

available when an optional-purchase MMC/SD card is installed and the control

head is actively recording.

Delete Image

(optional-purchase MMC/SD Card, Snapshot and

Recording View only)

Settings: Follow screen instructions to activate.

Delete Image allows you to delete a single screen capture image. This menu

option is only available when an optional-purchase MMC/SD card is installed,

Snapshot and Recording View is on the screen, and you have selected an image

thumbnail.

Delete All Images

(optional-purchase MMC/SD Card, Snapshot and

Recording View only)

Settings: Follow screen instructions to activate.

Delete All Images allows you to delete all the images at once. This menu option

is only available when an optional-purchase MMC/SD card is installed and

Snapshot and Recording View is on the screen.

Snapshot and Recording X-Press™ Menu

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Delete Recording

(optional-purchase MMC/SD Card, Snapshot and

Recording View only)

Settings: Follow screen instructions to activate.

Delete Recording allows you to delete a single sonar recording. This menu

option is only available when an optional-purchase MMC/SD card is installed,

Snapshot and Recording View is on the screen, and you have selected a

recording file.

Delete All Recordings

(optional-purchase MMC/SD Card, Snapshot and

Recording View only)

Settings: Follow screen instructions to activate.

Delete All Recordings allows you to delete all the recordings at once. This

menu option is only available when an optional-purchase MMC/SD card is

installed and Snapshot and Recording View is on the screen.

Pings Per Second

(optional-purchase MMC/SD Card, Snapshot and

Recording View only)

Settings: 1-10, AUTO, Default = AUTO

Pings Per Second allows you to specify the ping rate for an active sonar

recording.

NOTE: Pings Per Second is available when an optional-purchase MMC/SD card is

installed, Snapshot and Recording View is on the screen, and the control head is

actively recording (not playing back).

Auto is the default setting for Pings Per Second and automatically adjusts the

ping rate for best recording quality. If there is limited memory on your MMC/SD

card, you can slow the ping rate by setting the Pings Per Second manually, but

the recording will capture less sonar detail. For maximum performance, keep

the Pings Per Second setting on Auto.

Snapshot and Recording X-Press™ Menu

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Playback Speed

(optional-purchase MMC/SD Card, Snapshot and

Recording View only)

Settings: Record, Rewind1, Rewind2, Slow Play Reverse,

Pause, Slow Play, Normal Play, Fast Forward1, Fast

Forward2, Stop

Playback Speed allows you to specify the playback speed for a sonar recording

from the Snapshot and Recording View. This menu option is only available

when an optional-purchase MMC/SD card is installed and Recording Playback

is active.

Playback Speed Icons:

Record

Rewind, Reverse

Slow Play

Normal Play

Rewind2

Slow Play Reverse

Pause

Fast Forward

Fast Forward2

Stop

NOTE: You can also change playback speed in the Snapshot and Recording View using

the Left and Right Cursor keys, although you cannot skip to the beginning or end of a

recording using these keys.

NOTE: Sonar chart speed is increased during Fast Forward and reversed during

Rewind. This may result in a reduced quality sonar image, since at higher speeds, not

every sonar return can be processed.

Snapshot and Recording X-Press™ Menu

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Stop Playback

(optional-purchase MMC/SD Card only)

Settings: Press the RIGHT Cursor key to activate.

Stop Playback allows you to stop playback of a sonar recording from any view.

This menu option is only available when an optional-purchase MMC/SD card is

installed and Recording Playback is active.

NOTE: During playback, the amount of time/memory left to play is indicated by the

status bar. For more information, see Views: Snapshot and Recording View.

Snapshot and Recording X-Press™ Menu

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Alarms Menu Tab

From any view, press the MENU key twice to

access the Main Menu. The Alarms tab will be

the default selection.

NOTE: When an alarm is triggered, you can silence it

by pressing any key. The alarm will be silenced, and

will not be triggered again until a new instance of the

alarm condition is detected.

Alarms Menu

Alarms Menu Tab

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Depth Alarm

Settings: OFF, 1 to 100 feet, or 0.5 to 30 meters

[International Models only]; Default = OFF

Depth Alarm sounds when the depth becomes equal to or less than the menu

setting.

Fish ID Alarm

Settings: Off, All, Large/Medium, Large; Default = Off

Fish ID Alarm sounds when the Fishfinder detects fish that correspond to the

alarm setting. Fish ID Alarm will only sound if Fish ID+™ is on. For example, if

you've set the Fish ID Alarm to sound for Large fish only, the Fish ID alarm will

sound when a large-sized fish is detected.

Off

All

Large/Medium

Large

Low Battery Alarm

Settings: Off, 8.5V - 13.5V; Default = Off

Low Battery Alarm sounds when the input battery voltage is equal to or less

than the menu setting. The battery alarm will only sound for the battery that is

connected to the Fishfinder. The Low Battery Alarm should be set to warn you

when the battery voltage drops below the safety margin that you have

determined.

For example, if you are running a trolling motor (battery operated), you would want to set

the Low Battery Alarm to sound before the battery voltage drops too low for it to be used

to start your main, gasoline-powered engine.

Alarms Menu Tab

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Temp. Alarm

Settings: Off, 33-120 Fahrenheit, 0-50 Celsius

[International Models only]; Default = Off

Temp. Alarm sounds when the water temperature detected by the Fishfinder

reaches the Temp. Alarm setting, which is either set in degrees Fahrenheit or

Celsius [International Models only].

For example, if the Temp. Alarm is set to 58 degrees Fahrenheit, and the water temperature

falls from 60 degrees to 58 degrees, the Temp. Alarm will sound. Similarly, if the water

temperature rises from 56 degrees to 58 degrees, the Temp. Alarm will also sound.

Off Course Alarm

Settings: Off, 25 to 3000 ft, 10 to 1000 m [International

Models only]; Default = 300 ft, 100 m

Off Course Alarm allows you to set how far the boat is allowed to move off

course before the Off Course Alarm will sound during navigation.

Off Course

Limits

Arrival Alarm

Circle

Alarms Menu Tab

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Arrival Alarm

Settings: Off, 25 to 3000 ft, 10 to 1000 m [International

Models only]; Default = 150 ft, 50 m

Arrival Alarm sounds when the boat has either exceeded the distance to the

destination waypoint, or has entered the Arrival Alarm Circle, based on the

menu setting when navigating. Arrival Alarm allows you to set how close the

boat must be to the destination waypoint before the Arrival Alarm will sound.

Drift Alarm

Settings; Off, 25 to 3000 ft, 10 to 1000 m [International

Models only]; Default = Off

Drift Alarm allows you to set the size of a perimeter around the boat’s anchored

position. If the anchored boat drifts outside of that perimeter, the Drift Alarm

will sound.

Drift Alarm Perimeter

Drift

Alarm

Circle

Alarm Tone

Settings: High, Medium, Low; Default = Medium

Alarm Tone selects the pitch of the alarm sound. A brief tone will be produced as

you adjust the Alarm Tone so that you can select the tone that you can hear best.

Alarms Menu Tab

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Sonar Menu Tab

Press the MENU key twice to access the Main

Menu and then press the RIGHT Cursor key

until the Sonar tab is selected.

NOTE: Menu options can be expanded or simplified

by setting the User Mode to Advanced or Normal.

See Main Menu: User Mode for details.

Sonar Menu, Advanced Mode

Sonar Menu Tab

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Beam Select

Settings: 200/83 kHz, 200 kHz, 83 kHz; Default = 200 kHz

Beam Select sets which sonar returns from the transducer will be displayed on

the screen.

When set to 200/83 kHz, the returns from both beams are blended by starting

with the 83 kHz wide beam return, dimming it, and then overlaying it with the

200 kHz narrow beam return. The darker 200 kHz narrow beam sonar returns

will stand out from the paler 83 kHz wide beam sonar returns. The Split Sonar

View continues to display the sonar returns from each beam in their respective

windows. The blended information is shown in the Sonar View, Sonar Zoom

View, and the Big Digits View. The RTS Window™ in the Sonar View and the

Circular Flasher View will only show the returns from the 200 kHz narrow beam.

When set to 200 kHz, only the returns from the 200 kHz narrow beam will be

displayed in the Sonar View, the Sonar Zoom View, the Big Digits View, and the

Circular Flasher View. The Split Sonar View will continue to display returns from

both beams in their respective windows. The RTS Window™ in the Sonar View

will display the returns from the 200 kHz narrow beam.

When set to 83 kHz, the returns from the 83 kHz wide beam will be displayed

in the Sonar View, the Sonar Zoom View, the Big Digits View, and the Circular

Flasher View. The Split Sonar View will continue to display returns from both

beams in their respective windows. The RTS Window™ will display the returns

from the 83 kHz wide beam.

Sonar Menu Tab

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Surface Clutter

Settings: Low = 1 to High = 10; Default = 5

Surface Clutter adjusts the filter that removes surface clutter noise caused by

algae and aeration. The lower the setting, the less surface clutter will be

displayed.

Surface Clutter

Surface

Clutter

SwitchFire™

Settings: Clear Mode, Max Mode; Default = Clear Mode

SwitchFire™ controls how the sonar returns are displayed in the Sonar Views.

Choose Max Mode to see only raw sonar returns on the display. When Max

Mode is selected, you will see the maximum sonar information available within

the transducer beam, so more fish arches and better jig tracking are shown.

Choose Clear Mode to see less clutter and more fish size accuracy on the

display. When Clear Mode is selected, the clutter is filtered, and sonar returns

are interpreted to provide more details about the objects within the transducer

beam, regardless of their location. In other words, a large arch on the display

means a large fish has been detected.

Sonar Menu Tab

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Fish ID+™

Settings: Off, On; Default = Off

Fish ID+™ uses advanced signal processing to interpret sonar returns and will

display a Fish Symbol when very selective requirements are met. When a fish is

detected, a fish icon and its depth are displayed above the return that has been

classified as being a fish. Three different fish size icons represent the intensity of

the sonar return and provide an indicator of relative fish size.

DualBeam PLUS™ sonar models represent targets detected in the 200 kHz

narrow beam as Shaded Fish Symbols and targets detected in the 83 kHz wide

beam as Hollow Fish Symbols.

200 kHz, Narrow Beam

Shaded Fish Symbols

83 kHz, Wide Beam

Hollow Fish Symbols

When Fish ID+™ is turned off, the Fishfinder shows only the raw sonar

returns on the display. These returns will often result in “arches“ forming on the

display, indicating potential targets. Due to the transducer beam angle, the

distance to a fish decreases as the fish moves into the beam, and then

increases as it moves out again, creating a Fish Arch when this distance change

is shown on the display. Boat speed, chart speed, and the position of the fish

within the sonar beam greatly affect the shape of the arch.

Transducer Cone and Fish Arches

Sonar Menu Tab

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Fish ID Sensitivity

Settings: Low = 1, High = 10; Default = 5

Fish ID Sensitivity adjusts the threshold of the Fish ID+™ detection algorithms.

Selecting a higher setting allows weaker returns to be displayed as fish. This is

useful for identifying smaller fish species or baitfish. Selecting a lower setting

displays fewer fish from weak sonar returns. This is helpful when seeking larger

species of fish.

Fish ID Sensitivity is used in conjunction with Fish ID+™. Fish ID+™ must be

On for Fish ID Sensitivity to affect the ability of the Fishfinder to identify sonar

returns as fish.

Real Time Sonar (RTS™) Window

Settings: Wide, Narrow, Off; Default = Narrow

RTS Window™ sets the RTS Window™ to either Wide or Narrow, or turns it off

in the Sonar View. The RTS Window™ always updates at the fastest rate

possible and only displays returns that are within the transducer beam. See

What’s on the Sonar Display for more information.

NOTE: The Wide RTS Window™ does not use grayscale.

RTS Window™ (Wide)

RTS Window™ (Narrow)

RTS Window™ (Off)

Sonar Menu Tab

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Zoom Width

Settings: Narrow, Medium, Wide; Default = Wide

Zoom Width adjusts the width of the zoomed view on the Sonar Zoom View,

which is on the left side of the display. See Views: Sonar Zoom View for more

information.

83 kHz Sensitivity

(Advanced)

Settings: -10 to +10; Default = 0

83 kHz Sensitivity changes the sensitivity of the 83 kHz beam. Increasing the

83 kHz Sensitivity will display additional weak returns, and decreasing the 83

kHz Sensitivity will display fewer weak returns.

NOTE: 83 kHz Sensitivity is particularly useful for adjusting the sensitivity of the

83 kHz sonar returns in the 200/83kHz Split Sonar View. The 83kHz sensitivity can

be adjusted without affecting the sensitivity of the 200 kHz returns shown in the

200 kHz sonar window.

Depth Lines

(Advanced)

Settings: Off, On; Default = On

Depth Lines divide the display into four equal sections which are separated

by three horizontal depth lines. The depth of each line is displayed along the

depth scale. You can turn Depth Lines On or Off.

Depth Lines

Sonar Menu Tab

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Noise Filter

(Advanced)

Settings: Off, Low, Medium, High1, High2, High3;

Default = Low

Noise Filter adjusts the sonar Noise Filter to limit interference on the display

from sources such as your boat engine, turbulence, or other sonar devices.

The Off setting removes all filtering. Low, Medium, and High1, High2, High3

settings add progressive filtering of the sonar returns. High1, High2, and High3

are useful when there is excessive trolling motor noise, but in some deep water

situations, the High settings may actually hinder your unit’s ability to find the

bottom.

Max Depth

(Advanced)

Settings: AUTO, 10 to 1000 ft, 3 to 330 m [International

Models only]; Default = AUTO

Max Depth controls the maximum depth of operation. When Max Depth is set

to Auto, the Fishfinder will acquire bottom readings as needed (within the

capacity of the unit). When Max Depth is set to match your fishing maximum

depth, your Fishfinder will not attempt to acquire sonar data below that depth,

so more detail will be shown on the screen.

NOTE: If the bottom is deeper than the Max Depth setting, the digital depth readout

will flash, indicating that the Fishfinder cannot locate the bottom.

Water Type

(Advanced)

Settings: Fresh, Salt (shallow), Salt (deep); Default = Fresh

Water Type configures your unit for operation in fresh or salt water. In salt

water, you can also choose the shallow or deep setting.

Water Type affects the accuracy of deep water depth readings. In salt water,

what would be considered a large fish might be 2 to 10 times bigger than a

large fish in fresh water (depending on the type of fish you are seeking). The

salt water setting allows for a greater range in fish size adjustment to account

for this difference.

Sonar Menu Tab

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Navigation Menu Tab

Press the MENU key twice to access the Main

Menu, then press the RIGHT Cursor key until the

Navigation tab is selected.

NOTE: Menu options will vary depending on system

settings, such as whether you are currently navigating.

NOTE: Menu options can be expanded or simplified

by setting the User Mode to Advanced or Normal. See

Main Menu: User Mode for details.

Navigation Menu

Navigation Menu Tab

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Current Track

Settings: Save, Clear, Appearance

Current Track allows you to view the Current Track submenu. See Introduction

to Navigation: Save or Clear a Current track for more information.

The Current Track Submenu contains the following menu options:

Save allows you to save the current track.

Clear allows you to delete the current track.

Appearance allows you to change the style and color of the current

track. (Breadcrumb Trail, Dashed Line, Solid Line or Wide Line, and if a

line, choose a grayscale color).

Saved Tracks

Settings: Edit, Delete, Default

Saved Tracks allows you view the Saved Tracks submenu. See Introduction to

Navigation: Edit, Delete, or Hide Saved Tracks for more information.

The Saved Tracks Submenu contains the following menu options:

Edit allows you to select a saved track and change its Name, Visibility

(hidden or visible), Style, and Color (for track line styles only).

Delete allows you to delete a track from the saved tracks list.

Default sets the default appearance of your tracks, including Visibility

(hidden or visible), Style, and Color (for track line styles only).

Navigation Menu Tab

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Waypoints

Settings: Create, Edit, Delete, Cursor To, Go To,

Target, Grid

Waypoints allows you to view the Waypoints submenu. See Introduction to

Navigation for more information.

The Waypoints Submenu contains the following menu options:

Create allows you to create a new waypoint, name it, and edit it

immediately. The current boat position will be used as the default, but

you can set the coordinates to any valid position. The icon used to

represent the waypoint in the Chart and Combo Views can also be

changed.

Edit allows you to choose from the saved waypoints list, and then edit

the Name and Position (Latitude and Longitude), as well as assign an

Icon to represent the waypoint in the Chart and Combo Views.

Delete allows you to delete a waypoint from the saved waypoints list.

Cursor To allows you to move the cursor quickly to a waypoint from the

saved waypoints list.

Go To allows you to select a waypoint and start navigation toward that

waypoint or add that waypoint to the end of the current route.

Target allows you to apply a target to a waypoint selected from the

saved waypoints list.

Grid allows you to apply a trolling grid to a waypoint selected from the

saved waypoints list.

NOTE: Only one waypoint can have either a target or a grid applied to it at one time. If

you apply a target or a grid to a new waypoint, the original waypoint will lose its target

or grid.

NOTE: The spacing of the rings on the waypoint target and the spacing of the gridlines

on the trolling grid is the same as the length of the scale bar on the left edge of the

display. Zooming in or out will decrease or increase the spacing, respectively.

Navigation Menu Tab

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Routes

Settings: Create, Edit, Delete, Travel, Info

Routes allows you to view the Routes submenu. See Introduction to Navigation:

Save, Edit, or Delete a Route for more information.

The Routes Submenu contains the following menu options:

Create allows you to create a new route from an empty route, name it,

and add saved waypoints to it immediately. You can also change the

waypoint order of the route from this menu.

Edit allows you to select a saved route and change its name and the

waypoints in it.

Delete allows you to delete a route from the saved routes list.

Travel allows you to choose a route from the saved routes list and use

it as your current route. Routes can be traveled in either the forward or

reverse direction. When you select a route, navigation begins

immediately.

Info provides information about the route you choose from the saved

routes list, including the distance and bearing from each waypoint to

the next.

Chart Orientation

Settings: North-Up, Course-Up; Default = North-Up

Chart Orientation allows you to select whether the Chart and Combo Views

should be drawn North-Up or Course-Up. The Chart Orientation setting does

not apply to the Bird’s Eye View (see Viewing Cartography).

Navigation Menu Tab

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North Reference

Settings: True, Magnetic; Default = True

North Reference allows you to have bearings displayed with one of two

orientations: True North or Magnetic North.

Waypoint Decluttering

(Advanced)

Settings: On, Off; Default = On

Waypoint Decluttering allows you to set the declutter feature On or Off. When

two or more waypoints overlap, or are displayed close together on a chart view,

the screen will automatically declutter—waypoint names will shorten and the

waypoint icons will change into small gray icons. Select Off to to display

waypoints at regular size.

Grid Rotation

Settings: 0° to 89°, Default = 0°

Grid Rotation allows you to set the orientation of the trolling grid in degrees,

where a setting of 0° displays a standard North, South, East, West alignment.

See Introduction to Navigation: Add a Waypoint Target or Trolling Grid for

information.

NOTE: This feature may appear as either Trolling Grid Rotation or Grid Rotation,

depending on your model.

Trackpoint Interval

Settings: 1 second, 5 seconds, 10 seconds, 15 seconds,

30 seconds, or 60 seconds; Default = 1 second

Trackpoint Interval allows you to select the time period between trackpoints.

The current track can only contain up to 20,000 trackpoints, so longer time

periods cause the track to extend back further in time, but will be less detailed.

Trackpoint Interval works in conjunction with Track Min Distance. Both

conditions must be met before a trackpoint is added to the current track. During

slow travel or drift, setting both Trackpoint Interval and Track Min Distance to

small values will allow you to increase the track resolution.

Navigation Menu Tab

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Track Min Distance

(Advanced)

Settings: 1 to 300 ft, or 1 to 100 m [International Units

only]; Default = 16 ft, 5 m

Track Min Distance allows you to set a minimum distance of travel before a

trackpoint is added to the track.

Track Min Distance works in conjunction with Trackpoint Interval. Both

conditions must be met before a trackpoint is added to the current track. During

slow travel or drift, setting both Trackpoint Interval and Track Min Distance to

small values will allow you to increase the track resolution.

Map Datum

(Advanced)

Settings: Various, Default = WGS 84

Map Datum allows you to change the map coordinate system used by the

Fishfinder to match those of a paper map.

Course Projection Line

Settings: Hidden, Visible; Default = Visible

Course Projection Line allows you to display or hide an arrow extending from the

bow of the boat that projects your current course, and shows where the boat will

go if you continue on your present course.

Export All Nav Data

Settings: Follow screen instructions to activate.

Export All Nav Data allows you to export all saved Tracks, Waypoints, and

Routes to an MMC/SD card. If an MMC card isn’t installed, an error message

will be displayed. Insert the MMC card and try again. See Introduction to

Navigation for more information.

Navigation Menu Tab

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Delete All Nav Data

(Advanced)

Settings: Follow screen instructions to activate.

This menu option should be used with caution!

Delete All Nav Data allows you to delete all saved Tracks, Waypoints, and

Routes.

Continuous Navigation Mode

Settings: Off, On, Default = Off

Continuous Navigation Mode allows you to continue to navigate and fish

around a particular waypoint, even if you pass over it multiple times.

Navigation Menu Tab

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Chart Menu Tab

Press the MENU key twice to access the Main

Menu and then press the RIGHT Cursor key until

the Chart tab is selected.

NOTE: Menu options can be expanded or simplified

by setting the User Mode to Advanced or Normal. See

Main Menu: User Mode for details.

Chart Menu

Chart Menu Tab

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Chart Detail Level

Settings: Basic, Navigation, Underwater, All; Default = All

Chart Detail Level allows you to select how much chart detail you want

displayed on the Navigation Views.

NOTE: Some chart details are only available with optional-purchase MMC/SD cards.

Basic shows land areas, ports, obstructions, and restricted areas.

Navigation shows navaids, landmarks, ferryways, and navigation routes

in addition to the Basic information.

Underwater shows depth contours, fishing areas, underwater wrecks,

tides and currents in addition to the Basic and Navigation information.

All shows roads, buildings, railways, and other notations in addition to

the Basic, Navigation, and Underwater information.

Map Borders

Settings: Hidden, MMC/SD Only, All Visible;

Default = MMC/SD Only

Map Borders allows you to display or hide map borders. The dotted lines of a

Map Border indicate an area which contains a different map.

Map Borders

Map

Borders

Chart Menu Tab

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Lat/Lon Grid

Settings: Hidden, Visible; Default = Hidden

Lat/Lon Grid allows you to display or hide a grid showing latitude and longitude

lines.

Spot Soundings

Settings: Hidden, Visible; Default = Hidden

Spot Soundings allows you to display or hide spot soundings, which are depth

measurements shown on the chart.

NOTE: Spot Soundings are only available with optional-purchase MMC/SD cards.

Chart Select

Settings: Various, Default = Auto

Chart Select allows you to choose which chart to use if you have built-in charts

or a map card. If you select Auto, you unit will select a chart automatically.

Set Simulation Position

(Advanced)

Settings: Follow screen instructions to activate.

Set Simulation Position allows you to set the position of the boat used in the

Simulator. Press any arrow on the 4-WAY Cursor Control key to activate the

cursor and move it to the coordinates where you want start the simulation.

Then confirm the position using the Set Simulation menu setting.

NOTE: The cursor must be active in order for this procedure to work. If the cursor was

not active before you began this procedure, an error message will appear. Exit the

menu, set the cursor, then try again.

Chart Menu Tab

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Set Map Offset

(Advanced)

Settings: Follow screen instructions to activate.

Set Map Offset allows you to change the map offset used by your Fishfinder.

Press the 4-WAY Cursor Control key to activate the cursor and move it to the

location where the Map Offset will be applied. Then, confirm the map offset

position using the Set Map Offset menu setting.

The Map Offset will be applied to all maps and not just the map that requires

the correction. The Map Offset should be cleared if a different map is to be used.

NOTE: The cursor must be active in order for this procedure to work. If the cursor was

not active before you began this procedure, an error message will appear. Exit the

menu, set the cursor, then try again.

Clear Map Offset

(Advanced)

Settings: Follow screen instructions to activate.

Clear Map Offset allows you to clear the Map Offset. The Clear Map Offset

menu option is available when Map Offset is active.

Chart Menu Tab

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Setup Menu Tab

From any view, press the MENU key twice to

access the tabbed Main Menu, then press the

RIGHT Cursor key until the Setup tab is selected.

NOTE: Menu options will vary depending on which

accessories are attached to the unit.

NOTE: Menu options can be expanded or simplified

by setting the User Mode to Advanced or Normal. See

Main Menu: User Mode for details.

Setup Menu

Setup Menu Tab

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Units - Depth

Settings: Domestic Models: Feet, Fathoms; International

Models: Meters; Default = Feet/Meters

Units - Depth selects the units of measure for all depth-related readouts.

Units - Temp

(International only)

Settings: Celsius, Fahrenheit; Default = Celsius

Units - Temp selects the units of measure for all temperature-related readouts.

International Models only.

Units - Distance

Settings: Domestic Models: Statute Miles, Nautical Miles,

Default

Statute Miles; International Models:

Meters/Kilometers, Meters/Nautical Miles, Feet/Statute

Miles, Feet/Nautical Miles, Default = Meters/Kilometers

Units - Distance selects the units of measure for all distance-related readouts,

and will appear in the menu if a Temp/Speed Accessory is connected and the

paddlewheel has moved at least once, or if the GPS Receiver is connected.

Units - Speed

Settings: Domestic Models: mph, kts; International Models:

kph; Default = mph/kph

Units - Speed selects the units of measure for speed-related readouts, and will

appear in the menu if a Temp/Speed Accessory is connected and the

paddlewheel has moved at least once, or if the GPS Receiver is connected.

Setup Menu Tab

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User Mode

Settings: Normal, Advanced; Default = Normal

User Mode sets the menu system to Normal or Advanced. When set to Normal

(default setting), the basic set of menu options are shown in the menu system.

When set to Advanced, additional menu options are added to the menu system.

See Main Menu: User Mode for details.

Language

(International only)

Settings: Various, Default = English

Language selects the display language for menus. International Models only.

Triplog Reset

Settings: Follow screen instructions to activate.

Triplog Reset resets the Triplog to zero, and will appear in the menu if a

Temp/Speed Accessory is connected and the paddlewheel has moved at least

once, or if the GPS Receiver is connected.

The Triplog provides the following information: timer for elapsed time, distance

traveled since last reset, and average speed.

NOTE: See Views to find out how to display Triplog information on the screen.

Restore Defaults

Settings: Follow screen instructions to activate.

Use this menu choice with caution!

Restore Defaults resets ALL menu settings to their factory defaults.

Setup Menu Tab

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Select Readouts

(Advanced, Sonar View only)

Settings: Various, Default = Off

Select Readouts sets the information to display

in each of the 5 fixed-position data windows

arranged around the left and bottom edges of

the Sonar View screen. To leave the data

window blank, select Off. See Views to change

the Select Readouts.

The readout

position on

the screen

is shown in

the Select

Readouts

Window.

Data windows can display readouts from

supported accessories such as GPS Receiver or

Temp/Speed. Each data window can be empty

or contain one of the following information

categories:

Select Readouts

• Course

• Time + Date

• Triplog

• Navigation

• Position

• Speed

• Voltage

• Time

• Temperature

NOTE: The availability of the digital readout information corresponds with the view

selected, the accessory attached, and whether or not you are navigating.

Setup Menu Tab

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Default Sonar View

Sonar View with Select Readouts

Depth Offset

(Advanced)

Settings: -10.0 to +10.0 ft, or -3 to 3 m [International

Models only]; Default = 0

Depth Offset will adjust the digital depth readout to indicate depth from the

waterline or boat's keel. Enter a positive vertical measurement from the

transducer to the waterline to read the depth from the waterline. Enter a

negative vertical measurement from the transducer to keel to read the depth

from the keel.

Temp. Offset

(Advanced)

Settings: -10.0 to +10.0 degrees, Default = 0

Temp. Offset will adjust the temperature readout by the amount entered.

Speed Calibration

(Advanced, with Temp/Speed only)

Settings: -20% to +20%, Default = 0%

Speed Calibration will adjust the speed readout by the percentage entered,

and will appear in the menu if a Temp/Speed Accessory is connected and the

paddlewheel has moved at least once.

Setup Menu Tab

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Local Time Zone

(Advanced)

Settings: Various, Default = EST [UTC-5] - Eastern

Standard Time

Local Time Zone selects your time zone in reference to the time reported by the

GPS receiver when Time+Date is selected as a Digital Readout on the Sonar

View (see Setup Menu Tab: Select Readouts).

Daylight Saving Time

(Advanced)

Settings: Off, On; Default = Off

Daylight Saving Time adjusts the time display to account for local Daylight

Saving Time when Time+Date is selected as a Digital Readout on the Sonar

View (see Setup Menu Tab: Select Readouts).

Selecting On adds one hour to the time display adjusted for your local time

zone. Selecting Off leaves the time display as adjusted for your local time zone.

Position Format

(Advanced)

Settings: dd.ddddd°, dd°mm.mmm', or dd°mm'ss";

Default = dd°mm.mmm'

Position Format selects the format of the latitude and longitude position display.

Time Format

(Advanced, International only)

Settings: 12 hour, 24 hour; Default = 12 hour

Time Format changes the time format used by the unit. Time Format selects a

12 hour or 24 hour format for the time of day displayed when Time + Date is

selected as a Digital Readout on the Sonar View (see Setup Menu Tab: Select

Readouts).

Setup Menu Tab

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Date Format

(Advanced, International only)

Settings: mm/dd/yy, dd.mm.yy, yy.mm.dd; Default = mm/dd/yy

Date Format changes the date format used by the unit. Date Format selects the

format for the date display when Time + Date is selected as a Digital Readout

on the Sonar View (see Setup Menu Tab: Select Readouts).

NMEA Output

(Advanced)

Settings: Off, On; Default = Off

NMEA Output turns the NMEA* output on or off. NMEA Output should be

turned On if you connect the NMEA Output wires of the GPS Receiver cable to

another NMEA-compatible device, such as an autopilot.

*NMEA 0183 is a National Marine Electronics Association standard for data

communication.

NOTE: A separate purchase of accessory AS-HHGPS may be required for the NMEA

output function.

The following NMEA sentences are output when NMEA Output is turned On:

DPT - Depth

MTW - Water Temperature

GLL - Lat/Lon Position

GGA - GPS Fix Data

RMC - Recommended Minimum Specific GNSS Data

VTG - Course Over Ground and Ground Speed

ZDA - Time and Date

When navigating, the following NMEA sentences are also output when

NMEA Output is turned On:

APB - Autopilot Sentence B

BWR - Bearing and Distance to Waypoint

RMB - Recommended Minimum Navigation Info

Setup Menu Tab

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Sonar

Settings: Off, On; Default = Off

Sonar sets whether the Sonar views are shown in the View rotation. Select Off

to deactivate Sonar and remove the Sonar Views from the View rotation.

Screen Snapshot

Settings: Off, On; Default = Off

Screen Snapshot activates the screen snapshot function. When Screen

Snapshot is enabled, pressing the MARK key creates a saved screen capture on

the optional-purchase MMC/SD card installed in your unit’s card slot. All active

menus, dialog boxes, warnings and messages are captured and saved

automatically.

NOTE: For more information, see Snapshot and Recording View and Snapshot

and Recording X-Press™ Menu.

NOTE: You must have an optional-purchase MMC/SD card installed for the Screen

Snapshot feature to work.

NOTE: If you use your MMC/SD card in two different Fishfinder units that have

different screen sizes, the recordings made on one unit will still be present on the card,

but will be represented by the Unavailable icon (circle with a slanted line through it) on

the Snapshot and Recording View on the other unit.

Setup Menu Tab

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Views Menu Tab

From any view, press the MENU key twice to

access the tabbed Main Menu, then press the

RIGHT Cursor key until the Views tab is selected.

This menu tab allows you to set the available

views to hidden or visible in the view rotation. The

view will be removed from the view rotation if it is

set to Hidden and will be displayed in the view

rotation if it is set to Visible.

NOTE: See Views for more information.

Views Menu

Views Menu Tab

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Troubleshooting

Before contacting the Humminbird® Customer Resource Center, please read the

following section. Taking the time to review these troubleshooting guidelines

may allow you to solve a performance problem yourself, and therefore avoid

sending your unit back for repair.

Fishfinder Doesn’t Power Up

If your Fishfinder doesn’t power up, use the Installation Guide that also comes

with it for specific confirmation details, making sure that:

• The power cable is properly connected to the Fishfinder control head.

• The power cable is wired correctly, with red to positive battery terminal

and black to negative terminal or ground.

• The fuse is operational.

• The battery voltage of the power connector is at least 10 Volts.

Correct any known problems, including removing corrosion from the battery

terminals or wiring, or actually replacing the battery if necessary.

Fishfinder Defaults to Simulator with a Transducer Attached

A connected and functioning transducer will cause the newly-started

Fishfinder to go into Normal operating mode automatically. If, when you power

up the Fishfinder, it goes into Simulator mode automatically, even though a

transducer is already connected, this means that the control head is not

detecting the transducer. Perform the following troubleshooting tasks:

• Using the Installation Guide that also comes with your Fishfinder, check

to make sure that the transducer cable is securely connected to the

Fishfinder. Reconnect if necessary, and power up the Fishfinder again

to see if this fixes the problem.

• Replace the non-functioning transducer with a known good transducer

if available and power up the control head again.

• Check the transducer cable. Replace the transducer if the cable is

damaged or corroded.

Troubleshooting

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Display Problems

There are several main conditions or sources of possible interference that may

cause problems with the quality of the information displayed on the control

head. Look in the following table for some symptoms of display problems and

possible solutions:

Problem

Possible Cause

The control head loses

power at high speeds.

If the power output of your boat’s engine is unregulated,

the control head may be protecting itself using its

over-voltage protection feature. Make sure the input

voltage does not exceed 20 Volts.

When the boat moves

at higher speeds, the

bottom disappears or

suddenly weakens, or

the display contains

gaps.

The transducer position may need to be adjusted. A mix of

air and water flowing around the transducer (cavitation)

may be interfering with the interpretation of sonar data.

See your Installation Guide for suggestions on adjusting the

transducer position.

Electrical noise from the boat’s engine may be interfering

with sonar reception. See Finding the Cause of Noise for

more information.

There are no fish

Sonar readings may be affected if the transducer is not

positioned correctly (i.e. mounted at an angle, not straight

down), or there is some kind of mechanical interference,

either because it is mounted inside a hull that is too thick

for proper sonar transmission, the bond between the

transducer and the hull is not airtight, or because the

transducer is dirty. Check with your Installation Guide for

guidance on re-positioning the transducer, and make sure

the transducer is clean.

detected, even when

you know they are in

the water under the

boat, or sonar readings

seem weak or faulty.

Low battery voltage may be affecting the power of signal

transmission.

Electrical noise from the boat’s engine may be interfering

with sonar reception. See Finding the Cause of Noise for

more information.

Troubleshooting

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Finding the Cause of Noise

Electrical noise usually affects the display with many black dots at high speeds,

and high sensitivity readings. One or more of the following sources can cause

noise or interference:

Possible Source of Noise

Other electronic devices

Isolation

Turn off any nearby electronic devices to see

if the problem goes away, then turn them on

one at a time to see if the noise re-appears.

To determine whether the boat’s engine is the

source of the noise, increase the RPMs while

the boat is in neutral and stationary to see if

the noise increases proportionately; if noise

appears when you rev the engine, the

problem could be the spark plugs, alternator,

or tachometer wiring. Replace the spark plugs

with resistor plugs, install an alternator filter,

or route the control head power and

transducer cables away from the engine

wiring.

The boat’s engine

Turbulence created by the propeller can cause

noise; make sure the transducer is mounted

at least 15” (38 cm) from the propeller, and that

the water flows smoothly over the face of the

transducer at all times.

Cavitation from the boat’s

propeller

Troubleshooting

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300 Series™ Fishfinder Accessories

Accessories customize the Humminbird® Fishfinder to your needs and enable

you to stay on the edge of new technology. When an accessory is connected to

the Humminbird® Fishfinder, additional menus and readouts are added

automatically to the Main Menu System. Accessories available today that are

supported by your Humminbird® include:

Temperature/Speed: Simply plugs into the Humminbird® control head and

provides real time speed and temperature readouts, as well as a valuable

Triplog function.

NOTE: If an external Temperature/Speed (TS-W) or Temperature (TG-W) accessory is

connected AND a transducer with temperature built in is connected at the same time,

the TS-W or TG-W accessory will override the temperature built into the transducer.

Be sure to check out our web site www.humminbird.com for additional new

and exciting accessories to grow your Humminbird® Fishfinder!

NOTE: Each accessory requires a separate purchase. You can visit our web site

at www.humminbird.com or contact our Customer Resource Center at

1-800-633-1468 for additional details.

Accessories

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Specifications

Depth Capability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000 ft (330 m)

Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 Watts (RMS),

2400 Watts (Peak to Peak)

Operating Frequency. . . . . . . . . . . . 200 kHz and 83 kHz (DualBeam Plus™)

Area of Coverage . . . . . . . . . . . . DualBeam Plus™: 60° @ -10 dB in 83 kHz

20° @ -10 dB in 200 kHz

Target Separation . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1/2 Inches (63.5 mm)

Power Requirement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-20 VDC

LCD Matrix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320 V x 240 H

Transducer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . XNT 9 20 T

Transducer Cable Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 ft (6 m)

Current Draw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350 mA

IPX Rating . . . . . . . . . IP67 Waterproof/Submersible @ 1 m for 30 minutes

and dust tight

NOTE: Humminbird® verifies maximum stated depth in saltwater conditions, but actual

depth performance may vary due to transducer installation, water type, thermal layers,

bottom composition and slope.

NOTE: Product specifications and features are subject to change without notice.

Specifications

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Glossary

Sonar Terms:

Beam (Sonar Beam) The wide, cone-shaped projection of sound waves formed as sound

travels underwater. See Cone Angle.

Bottom Contour The profile of the bottom graphed to the display as the depth changes.

Bottom Hardness The density (or composition) of the bottom. Varying levels of hardness

can be determined by interpreting the “thickness“ of the main sonar return. Hard returns

appear thin and black, softer returns appear thicker and less black. It is important to note

that a sonar return from a sloping bottom can have the appearance of a softer bottom.

Cavitation The effect of air bubbles created as the propeller rotates and the boat moves

through the water.

Cone Angle The angular measurement of the sonar beam at a specific dB down point

(i.e. -10 dB). See dB Down Point.

Dead Zone The area of the sonar beam that receives the sonar signal after the main

bottom return. Fish and other objects close to the bottom that fall within the dead zone will

probably not be visible in the sonar beam. Precision sonar beams, such as the Humminbird®

20° beam, have a smaller dead zone than wider sonar beams.

Decibel The measurement for sound pressure level, or “intensity”of the sonar return. See

dB Down Point.

dB Down Point The standard decibel level at which the sonar cone angle is measured,

and is written as “@ -10 dB” or “@ -3 dB“. Measurements at smaller down points (bigger

negative numbers) indicate that the less intensive sonar signals are being used for the

measurement.

Display, FSTN (Film Super-Twist Nematic) FSTN is a monochrome display technology

characterized by black, high-contrast pixels. All monochrome fixed mount Humminbird®

products use FSTN technology.

Frequency A measure of the number of sound wave cycles per second of a sound impulse

transmitted underwater. A typical frequency for fishfinders is 200 kHz, which offers a good

balance of performance under many conditions. Lower frequencies, such as 50 kHz, are

capable of penetrating to greater depths, but with less resolution. Higher frequencies, such

as 455 kHz, offer greater resolution, but are limited in depth performance. Humminbird®

uses a variety of frequencies that are optimized for specific applications.

Glossary

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Grayscale The use of varying shades of gray to represent the strength of the sonar signal

on the display. Traditionally, the strongest sonar signals are represented in black, and

progressively weaker signals are represented in progressively lighter shades of gray.

Noise The unintentional, external sound waves that interfere with the optimal operation

of sonar. Noise appears as random “dots“ on the display and is caused by a variety of

sources. Many Humminbird® products have a Noise Filter menu setting that allows the user

to clear the screen of noise that is difficult to eliminate (also, see Troubleshooting).

Pixels The “picture elements“, or small square blocks, that make up the image on the LCD.

Measured as a vertical by horizontal number (i.e. 640V x 320H), this key specification

typically indicates the quality of resolution. In fishfinders, the total resolution (vertical

multiplied by horizontal) is often less important than the “Vertical Pixel“ resolution because

a greater number of vertical pixels provide finer resolution of targets detected by sonar.

Sonar information on the horizontal axis can vary greatly, depending on boat speed and the

Chart Speed setting.

Power Output The amount of sound energy emitted into the water by the transducer’s

transmitter. Power output is measured using either RMS (Root Mean Square) or P-T-P (Peak-

to-Peak) measurement systems. Either method is acceptable, but it is important when

comparing power outputs, to make sure that the same measurement system is being used

for both outputs, because P-T-P numbers are 8 times higher than RMS numbers. Greater

power output allows the sonar signal to penetrate through weeds and thermoclines, reach

deeper depths and operate more effectively in noisy environments, such as when the boat

is running at high speed.

Pulse Width (Pulse Length) The length of time that a sonar sound burst is transmitted

into the water. Shorter pulse widths provide better target separation, but cannot travel to

great depths. Longer pulse widths provide better depth penetration, but result in poorer

target separation. Humminbird® varies pulse width based on depth to optimize both target

separation and depth performance. See Target Separation.

Second Return Describes the appearance of a second sonar return below the primary

sonar return (bottom contour) at exactly twice the true depth. The second return is caused

by the same sonar energy bouncing off the bottom once, rebounding to the water surface

and then traveling back down to the bottom to be reflected again. Second returns are more

common in shallow water and over hard bottoms; it is possible to see a third sonar return

under some circumstances. The second return provides useful information to help

determine bottom hardness, as areas with harder bottoms will generally create a second

return. The second return can be used as a guide to set Sensitivity when in shallower water.

Glossary

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SONAR (SOund and NAvigation Ranging) Sonar technology uses precision sound

bursts transmitted underwater to determine the distance and other attributes of objects in

the water. Distance can be determined because the speed of sound in water is constant,

and the time for the signal to return is measured. Sound also travels very quickly

underwater, making sonar a responsive, cost-effective tool. Sonar is the basic technology

behind all recreational and commercial fishfinding and depthfinding devices.

Sonar Update Rate The number of times per second that the transducer’s

transmitter/receiver sends and receives sonar signals. A very fast sonar update rate collects

more information and provides a more detailed image of the bottom, fish, and structure.

Many Humminbird® units operate at up to 40 times per second when in single frequency

operation. Due to the limitation of the speed of sound in water, the update rate begins to

slow as depth increases to deeper than 50 feet. In very shallow water (less than 10 feet),

however, update rates as much as 60 times per second can be achieved.

Speed The rate at which the boat moves through the water. Boat speed can be measured

as Speed Over Ground or Speed Through Water. Speed Over Ground is provided by GPS, and

is the measurement of the boats progress across a given distance. Speed Through Water is

provided by a speed paddlewheel, and is the measurement of the flow past the boat, which

may vary depending on current speed and direction. Speed Through Water is most critical

for anglers using downriggers, as it impacts the running depth of the down riggers. Speed

Over Ground is optimal for navigation, as accurate destination times can be derived from

this measurement. Humminbird® products allow for input and display of both sources.

Structure A general term for objects on the bottom that present a discontinuity and are

a likely attractor for fish. This includes bottom contour features (drop-offs, humps, and

holes), standing structure (stumps, timbers, brush piles), and a wide range of other

potential objects (sunken boats, reefs).

Surface Clutter A phenomenon where sonar returns are reflected off of tiny objects near

the surface of the water, including algae and even air bubbles. Typically, saltwater

environments have significantly greater surface clutter than freshwater due to continuous

wind and wave action that causes aeration at the surface.

Target Separation The measurement of minimum distance that a fishfinder needs to be

able to recognize two very close objects as two distinct targets (i.e. two fish hanging very

close, or a fish hanging very close to structure). Humminbird® fishfinders provide a very

good 2 1/2 inches of target separation in shallower than 100 feet of depth. Target

separation decreases as depth increases due to the need for longer Pulse Width to achieve

greater depth. See Pulse Width.

Glossary

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Thermoclines Water layer(s) of distinctly different temperatures that create a sonar

reflection due to the density of the differing water temperatures. Typically a thermocline will

appear as a continuous band across the display at some distance above the bottom contour.

Thermoclines are of interest to anglers because fish will suspend above or below the

thermocline as they seek the optimum temperature and oxygen levels.

Time Variable Gain (TVG) A processing step applied to the sonar return to “normalize“

the data so that objects of equal size (i.e. fish) appear to be the same size, even if they are

separated by a good distance.

Transducer The transducer is part of the sonar system, which mounts on the boat and is

in contact with the water, that converts the electrical energy from the transmitter into

sound energy, and that forms the sonar beam in turn. Internally, the transducer consists of

one or more piezo electric disks that expand by very minute amounts to create the sound

wave. This element also works in reverse, converting the returned sound energy back into

an electrical signal that the receiver interprets. See SONAR.

Zoom A feature that focuses on a smaller area of the bottom to provide enhanced

resolution. With enhanced resolution, the angler can more easily see fish hanging in

structure or multiple fish hanging close together.

Zoom, Bottom Lock Bottom Lock Zoom is a feature that focuses on a smaller area just

above the bottom to provide enhanced resolution. Unlike regular zoom, it continuously

graphs the bottom at a constant point on the display regardless of changes in depth. This

“flattens“ out the bottom contour, but is effective at showing fish on or near the bottom,

and is preferred by many saltwater anglers.

Glossary

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GPS & Navigation Terms:

Acquisition Time The length of time that a GPS receiver typically takes to determine a

position from at least three satellites. Humminbird® GPS receivers provide very fast

acquisition times (under one minute), permitting users to get out on the water faster.

Altitude The height measurement above sea level. Altitude is a measurement that can be

provided by GPS.

Bearing (BRG) The direction to a destination waypoint measured in degrees from North

(i.e. 321°, where 000° is North, 090° East, 180° is South, 270° is West).

Chartplotter A navigation device that shows Present Position on a Map, along with

Tracks, Waypoints, and Routes. All Chartplotters are also considered Trackplotters.

Cold Start The procedure that a GPS receiver must perform when it does not have

historical information regarding its current location. This procedure typically lasts for several

minutes, and may be experienced upon first power up of the receiver, or if the receiver has

been moved a great distance.

Course Over Ground (COG) The current direction the boat is traveling measured in

degrees from North (i.e. 321°, where 000° is North, 090° East, 180° is South, 270° is West).

When the Course Over Ground is equal to Bearing, the boat is said to be “On Course” and

will arrive at the destination in the most efficient manner. COG is often confused with

Heading. See Heading.

Cross Track Error (XTE) The straight-line distance of the boat from the intended Track.

XTE measures how far the boat is off course and also triggers the Off Course Alarm. See

Track.

Differential GPS (DGPS) A system used to improve the position accuracy of the

Department of Defense GPS through the use of secondary “correction signals” broadcast

from ground stations around the coastal United States and on some inland waterways.

These correction signals are provided by the USCG and received by an auxiliary Differential

Beacon Receiver (DBR) that connects to the GPS receiver. The advent of WAAS has largely

negated the need for the added expense of a DBR in the United States.

Distance To Go The straight-line distance between Present Position and the Destination

Waypoint. DTG and SOG (Speed Over Ground) are used to calculate Time To Go. See Time

to Go and Speed Over Ground.

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Estimated Position Error (EPE) A calculation that indicates the potential position

inaccuracy the user may experience due to a variety of GPS factors which include satellite

position in the sky, signal strength, and others factors.

Fix Type Indicates whether the GPS receiver is providing 2D fix or 3D fix. A 2D fix requires

only three satellites and provides only latitude and longitude. A 3D fix requires four or more

satellites, and provides latitude, longitude, and altitude.

GPS (Global Positioning System) GPS provides accurate position (latitude, longitude,

altitude) information virtually anywhere on the earth through satellite technology and

personal receivers on the ground. See How GPS Works.

Heading The direction the boat is pointing and is measured in degrees (i.e. 321°, where

000° is North, 090° East, 180° is South, 270° is West). Due to wind and waves, the boat is

often traveling in a slightly different direction than it is heading, and therefore Heading is

often confused with Course Over Ground. See Course Over Ground.

Map Datum Refers to a particular survey of the earth’s surface that was referenced when

creating a chart (i.e. WGS84). It is important to select the correct Map Datum setting in your

fishfinder when comparing GPS position to a paper chart to avoid slight position

inaccuracies. Almost all electronic charts use the WGS84 Map Datum and therefore, they

do not require setting changes.

MMC (Multi Media Card) An MMC is a postage stamp-sized memory device used to

store electronic data such a maps, waypoints, routes, and other information. MMC is a very

rugged format suitable for the marine environment, but it is not waterproof. MMC is the

same format that many digital cameras use. See SD.

North, Magnetic The principle reference point of the compass (i.e. North is 000°).

Magnetic North relies on the earth’s magnetic field to align a metal pointer generally

towards True North. However, due to local variations in the earth’s magnetic field around

the globe, the difference between True North and Magnetic North can be greater than 10°.

See True North.

North, True The principle reference point of the compass (i.e. North is 000°). True North

uses the axis of the rotation of the earth as the reference for North and is constant for all

points on the earth. Most GPS units default to True North as the setting. The GPS heading

may vary from the boat compass heading because the compass uses Magnetic North. See

Magnetic North.

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Present Position The current location (latitude, longitude) determined by GPS. The

Present Position is indicated on-screen by a directional boat icon if the boat is moving or a

round symbol if the boat is stationary.

Route A series of waypoints linked together in a specific sequence to define a navigation

path between two points, and saved in the fishfinder’s memory. Routes are often used

when frequently traveling between two or more locations because it is a faster and more

accurate method than repeatedly selecting individual waypoints each time one travels

through the same area. Routes consist of a Start Waypoint, an End Waypoint, and a series

of waypoints in between. Users can begin navigation at the beginning, the end (to run the

route in reverse) or at any waypoint in between. See Waypoint.

SD (Secure Digital) An SD card is virtually identical in function to an MMC; however,

the speed at which information can be accessed is generally faster, the storage capacity is

generally larger, and the card has security features which can be used to prevent extracting

the data from the card. SD is the same format that many digital cameras use. See MMC.

Selective Availability (SA) A GPS system “feature” that can be implemented by the U.S.

Department of Defense (DoD) to degrade the accuracy of GPS positioning information. With

SA active, the GPS is accurate to within 100 meters 95% of the time. With SA inactive, the

GPS is accurate to within 45 meters 95% of the time. Currently, SA is inactive and the

consumer can enjoy the greater precision GPS provides; however, the DoD reserves the

right to activate SA at any time.

Speed Over Ground (SOG) The measurement of the boat’s progress across a given

distance and the speed measurement provided by GPS. An alternate, Speed Through Water,

is provided by a speed paddlewheel, and is the measurement of the flow past the boat,

which may vary depending on current speed and direction. Speed Over Ground is optimal

for navigation because accurate destination times can be derived from this measurement.

Humminbird® products allow for input and display of both speed measurements.

Time To Go (TTG) The estimated time required to reach the destination waypoint. TTG is

calculated using the SOG and DTG. See SOG and DTG.

Track A series of saved points that define the past path of the boat. These Track Points are

saved at regular time intervals. Tracks are a useful and quick method to see where you’ve

been, and an easy guide to follow to get you back to the starting point. Generally, all GPS

units have a limited number of Track Points that can be saved before the unit runs out of

memory and begins erasing the first track points saved. Because of this, the user can adjust

the Track Point Interval menu to increase the amount of time between when points are

saved, and thus extend the distance covered by a track. Tracks can also be permanently

saved to memory and re-displayed at the user’s option.

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Track Line (TRK) The planned line of travel between two waypoints, and it represents

the most efficient path between the two points because it is a straight line. The TRK is

measured in degrees (i.e. 321°, where 000° is North, 090° East, 180° is South, 270° is

West). See Cross Track Error and Course Over Ground.

Trackplotter A navigation device that shows Present Position, along with Track, Waypoint,

and Routes, but NO MAP in the background. See Chartplotter.

Trolling Grid A Humminbird® feature that displays a precise reference grid around a

waypoint. This grid is used as a guide pattern for trolling around a specific area to assure a

more efficient and complete coverage of that area.

UTC (Universal Time Constant) UTC is the “standard time” used in navigation and is

the local time in Greenwich England. (UTC is equivalent to Greenwich Mean Time (GMT)).

WAAS (Wide Area Augmentation System) WAAS is complementary technology to

GPS that provides enhanced accuracy through correction signals broadcast from Federal

Aviation Administration WAAS satellites stationed over the USA. These secondary signals

are automatically received by the standard Humminbird® GPS Receiver. With WAAS signal,

GPS accuracy is improved to within 3 meters 95% of the time. Outside the United States,

regional governmental coalitions have created similar systems such as EGNOS (Europe) and

MSAS (Japan).

Waypoint The saved location (latitude, longitude) of a point of interest that is stored in a

GPS receiver’s memory. This can include a marker buoy, dock, fishing hole, or anywhere

else the user may want to return to. Humminbird® products offer the ability to name and

assign a symbol to the saved location. Depth, Date, and Time of Day when the waypoint

was created is also saved.

Waypoint Target A Humminbird® feature that displays a precise “bull’s eye” around a

selected waypoint. This bull’s eye is used to easily monitor boat position relative to a

waypoint, and is useful for fishing over submerged structure. With Waypoint Targets, a

quick look at the screen lets you know how far off the waypoint the boat has drifted.

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Notes

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Contact Humminbird®

Contact the Humminbird® Customer Resource Center

in any of the following ways:

By Telephone:

(Monday - Friday 8:00 a.m. to 4:30 p.m. Central Standard Time):

1-800-633-1468

By e-mail:

(typically we respond to your e-mail within three business days):

[email protected]

For direct shipping, our address is:

Humminbird

Service Department

678 Humminbird Lane

Eufaula, AL 36027 USA

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