GPS 72H
owner’s manual
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Introduction
Tips and Shortcuts
Introduction
•
To return to the Main Menu
from any page, press the MENU
See the Important Safety and
Product Information guide in
the product box for product
warnings and other important
information.
button twice.
•
To extend battery life, turn off
the GPS when not using the
device for navigation. For more
Manual Conventions
When you are instructed to “press”
something, press the buttons on
the device. Use the rocker to select
something in a list, and then press
ENTER.
Product Registration
Help us better support you by
completing our online registration.
Connect to our Web site at
http://my.garmin.com. Keep the
original sales receipt, or a photocopy,
in a safe place.
The small arrows (>) used in the
text indicate that you should select a
series of items in order, for example,
“Press PAGE > ENTER > select
TRACKS.”
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Introduction
Contact Garmin
Serial Number
The serial number is located on the
back of the device in the lower right
corner.
Contact Garmin Product Support if
you have any questions while using
your GPS 72H. In the USA, go to
www.garmin.com/support, or contact
Garmin USA by phone at (913)
397.8200 or (800) 800.1020.
Optional Accessories
For a list of available accessories, go
In the UK, contact Garmin (Europe)
Ltd. by phone at 0808 2380000.
In Europe, go to www.garmin.com
for in-country support information,
or contact Garmin (Europe) Ltd. by
phone at +44 (0) 870.8501241.
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Introduction
Table of Contents
GPS 72H Owner’s Manual
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Introduction
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Getting Started
2. Insert the batteries, observing
polarity.
Installing the Batteries
The GPS 72H operates on two AA
batteries. Use alkaline, NiMH, or
lithium batteries. Use precharged
NiMH or lithium batteries for best
results.
3. Replace the battery cover.
Long-Term Battery Storage
Remove the batteries when you do
not plan to use the GPS 72H for
several months. Stored data is not
lost when the batteries are removed.
To install the batteries:
1. Turn the D-ring 1/4 turn counter-
clockwise, and pull the cover
loose.
D-rꢀng
Lockꢀng
pꢀn slot
Battery
compartment
2
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Getting Started
ZOOM
ZOOM IN
OUT
GO TO/
MOB
PAGE
MENU
Power
QUIT
ENTER/
MARK
Rocker
ZOOM OUT—press to zoom the
map out.
Buttons
QUIT—press to return to the
previous page and cycle through the
main pages in reverse order.
PAGE—press to cycle through the
main pages.
Power—press and hold to turn the
device on or off. Press and release to
adjust the backlight.
MENU—press and release to view
the menu for the current page. Press
twice to view the Main Menu.
GO TO/MOB—press to begin or
stop navigation to a waypoint. Press
and hold (man overboard function) to
store the current location and begin
navigation to that point.
ENTER/MARK—press to select
an menu item, data field, or option.
Press and hold to save your current
location.
Rocker—rock up, down, right, and
left to move through page items.
ZOOM IN—press to zoom the map
in.
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Getting Started
To edit text using the rocker:
NOTE: The following example
shows how to edit a waypoint name
on the Mark Waypoint page.
Turning the Device On
and Off
1. Press
to turn the device on.
2. Press and hold
device off.
to turn the
1. Highlight the name field using the
rocker, and press ENTER.
2. Press the rocker left to clear the
Using the Rocker
Use the rocker to:
name field.
3. Press the rocker up to scroll
through the list to find numbers or
letters.
•
•
Move through lists.
Highlight fields, on-screen
buttons, or icons.
4. Press the rocker right to enter the
next letter.
•
•
Move the map pointer.
5. Press ENTER when completed.
Add or edit text and numbers.
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Getting Started
The bars on the GPS Information
Attaching the Wrist
Strap
1. Place the loop of the wrist strap
through the slot opening at the
bottom of the device.
Page indicate the satellite strength.
When the bars are filled in, the GPS
72H has acquired satellite signals.
2. Route the strap through the loop,
and pull it tight.
Adjusting the Backlight
1. Press and quickly release
.
2. Use the rocker to adjust the
brightness and contrast.
Brꢀghtness
Contrast
Acquiring GPS Satellite
Signals
To adjust the backlight time:
1. From the Main Menu, select
Setup > Backlight Timeout.
1. Go outdoors to an open area,
away from tall buildings and trees.
2. Turn on the device. Acquiring
satellite signals can take a few
minutes.
2. Select the amount of time the
backlight stays on, and press
ENTER.
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Using the GPS 72H
Waypoꢀnt
symbol
Using the GPS 72H
Creating and Using
Waypoints
Waypoꢀnt
name
Waypoints are locations or
landmarks you record and store
in your GPS 72H. You can add
waypoints to routes, and you can
navigate directly to a selected
waypoint.
Mark Waypoint Page
To mark your current location:
1. Press and hold MARK until the
Mark Waypoint page appears.
2. A default three-digit name and
symbol are assigned to the new
waypoint.
You can create waypoints using
three methods. You can mark your
current location, create a waypoint
on the map, or enter coordinates for a
waypoint manually.
•
To accept the waypoint with
the default information, select
OK.
Marking Your Current
Location
You must have a valid position fix to
mark your current location.
•
To change the waypoint
information, select the
appropriate field. After making
changes, select OK.
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Using the GPS 72H
Creating Waypoints Using
the Map
1. On the map page, use the rocker
to move the map pointer to the
map area you want to mark.
Editing Waypoints
You can edit waypoints to change the
symbol, name, note, location, and
the elevation. You can also select the
option to show the waypoint name
on the map.
2. Press ENTER to capture the map
pointer location and open the new
Waypoint page.
To edit a waypoint:
1. Press MENU twice > select
Points > Waypoints.
3. Select OK.
Creating Waypoints using
existing Coordinates
1. Press and hold ENTER to display
the Mark Waypoint page.
2. Select the waypoint you want to
edit.
3. Use the rocker and the ENTER
button to make changes.
2. Select the Location field.
4. Select OK.
3. Using the rocker, enter the new
location coordinates.
4. Press ENTER.
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Using the GPS 72H
To delete a waypoint:
1. From the Waypoints page, select
the waypoint you want to delete.
To project a waypoint:
1. Press MENU twice > select
Points > Waypoints.
2. Press MENU > select Delete
Waypoint > Yes.
2. Select the waypoint you want to
project. The Waypoint Information
page opens.
NOTE: When you delete a
waypoint, you cannot recover it from
the GPS 72H.
3. Press MENU > select Project
Location to open the Project
Location page.
Projecting a Waypoint
4. Enter the distance and bearing
to the projected waypoint in the
appropriate fields.
Create a new waypoint by projecting
the distance and bearing from one
location to a new location.
5. Select Save.
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Using the GPS 72H
Using GO TO
Press GO TO at any time to quickly
find a waypoint.
Using Tracks
The tracks feature creates an
electronic bread-crumb trail, or
“track log,” on the Map page as
you travel. The track log contains
information about points along its
path.
1. Press GO TO.
2. Select Waypoint.
3. Select the desired waypoint.
Man Overboard
The track log starts recording as soon
as the GPS 72H acquires satellite
signals. The percentage of memory
used by the current track log appears
at the top of the Tracks page.
In the event of a person falling off
your boat, press and hold MOB to
store your current location. Select
Yes to begin navigating to that point.
To clear the track log:
1. Press MENU twice to open the
Main Menu.
2. Select Tracks.
3. Select Clear > Yes.
For more information on Marine
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Using the GPS 72H
To set up a track log:
1. Press MENU twice > select
Tracks.
To save the entire track log:
1. Press MENU twice > select
Tracks.
2. Select MENU > Setup Track
Log.
2
Select Save > Entire Log.
To save a portion of the track
log:
1. Press MENU twice > select
Tracks.
•
Wrap When Full—the track
log records over the oldest
data with new data.
•
Record Method—select a
track recording method. Select
Distance, Time, or Auto.
If your recording method is
time or distance, enter the
specific time or distance
2. Select Save.
3. Select the portion of the track log
to save from the list.
4. Select OK.
To view a track on the map:
1. Press MENU twice > select
Tracks.
interval. Select Auto to
record the tracks at a variable
rate to create an optimum
representation of your tracks.
2. Select a track to view.
3. Select Map.
•
Interval—select a track log
recording rate. Recording
points more frequently creates
a more-detailed track, but fills
the track log faster.
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Using the GPS 72H
Navigating a Saved Track
TracBack® navigation uses
Track points in a saved track to
automatically create a route.
Creating Routes
A route is a sequence of waypoints
that lead you to your destination.
A route must have at least two
waypoints and can have as many
as 50. The GPS 72H can store up
to 50 routes. Create or modify a
route using the Routes page, and
add waypoints to a route. You can
also create routes using MapSource®
mapping.
To use the TracBack feature:
1. Select a saved track from the
Tracks page.
2. Select TracBack.
3. Select Original or Reverse.
On the Active Track page, TracBack
is listed as the name of the track.
To create a route:
1. Press MENU twice > select
Routes.
To create a waypoint on a saved
track:
1. Select a saved track from the
Tracks page.
2. Select New.
3. Press MENU to add a waypoint
from the map or from your saved
waypoints.
2. Select Map.
3. Use the rocker to position the map
pointer to a track point that you
want to mark as a waypoint.
4. Select OK to add it to the route.
5. Repeat steps 2 through 4 to add
additional waypoints to the route.
4. Press ENTER.
6. Press MENU > select Start
Navigation.
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Using the GPS 72H
Navigating a Route
To navigate a saved route:
1. Press MENU twice > select
Routes.
2. Select a saved route.
3. Press MENU > select Start
Navigation.
Editing a Route
Use the Route page to edit, change
the route name, and review route
points.
To change the name of the route:
1. Press MENU twice > select
Routes.
2. Select a saved route.
3. Select the route name at the top
of the Route page.
4. Use the rocker and the ENTER
button to change the name of the
route.
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The Main Pages
•
•
•
Press the PAGE button to
navigate through the main pages.
The Main Pages
All of the information needed to
operate your device is found on the
five main pages: the GPS Information
page, the Map page, the Compass
page, the Highway page, and the
Active route page.
Press MENU to access the menu
for these pages.
Use the rocker and the ENTER
button to select the option you
want to change.
•
Press MENU twice to access the
Main Menu.
GPS Information
Page
Map Page
Compass Page
Active Route Highway Page
Page
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The Main Pages
To clear a track log:
1. From the Main Menu, select
Tracks > Clear.
Map Page
Data
Fꢀelds
2. Select Yes.
Posꢀtꢀon
ꢀcon
As you move the map pointer on the
Map page, the distance, bearing, and
location of the map pointer appear at
the top of the map.
Map
poꢀnter
Zoom
scale
Map Page
To measure the distance
between two map points:
1. From the Map page, press MENU
> select Measure Distance.
Your position on the map is
represented by (position icon). As
you travel, the position icon leaves a
track log (trail). Waypoint names and
symbols are also shown on the map.
2. Move the map pointer to another
location on the map. The total
distance between the two points
appears in the data fields.
NOTE: Press OUT to zoom out or
IN to zoom in.
To change the data fields on the
Map page:
1. Press MENU > select Setup
Page Layout.
To view the map with north up:
1. From the Map page, press
MENU.
2. Select the size and number of
rows of data fields you want to
show on the map.
2. Select Setup Map > General >
Orientation > North Up.
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The Main Pages
To change a data field:
1. Press MENU > select Change
Data Fields. The first data field is
selected.
Map Page Options
Full Screen Map—hides the data
fields and expands the map to
include the entire screen.
2. Press ENTER to see the list
of data fields. For data field
Measure Distance—allows you to
measure the distance between two
points. For more information, see
3. Select a data field.
4. Use the rocker and the ENTER
button to change additional data
fields.
Setup Page Layout—allows you to
select the number of data fields rows
and the size of text used in the fields.
Map Orientation
North Up orients the map like a
paper map. Track Up orients the map
in the direction of travel.
Change Data Fields—allows you to
select the type of data that you want
to display in the data fields. For data
1. Press MENU > select Setup Map
> General.
Setup Map—contains the Map page
setup features, which are arranged on
a tab menu.
3. Select Orientation.
4. Use the rocker and the ENTER
button to change map orientation.
•
General Tab—allows you to
customize the detail level, the
orientation, and zoom level of
the map.
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The Main Pages
•
Map Tab—you can turn on or off
MapSource®, customize latitude
and longitude grid distance, and
customize the grid labels.
Compass Page
The Compass page guides you to
your destination with a graphic
compass display and a bearing or
course pointer.
•
•
•
Waypoint Tab—size and zoom
setting for Waypoints and Active
Route Waypoints.
Vertꢀcal
lꢀne
Point Tab—size and zoom
setting for Navaids, Points of
Interest, Geo, and Exit option.
Bearꢀng
poꢀnter
Line Tab—Zoom scale settings
for Track Log, Saved Tracks,
Active Route, and the Off/On
setting for the Bearing Line.
Compass Page
The rotating compass ring indicates
the direction you are heading. The
bearing and course pointers indicate
the direction (bearing to or course of
travel) to your destination, relative
to your current heading direction.
Choose a bearing pointer or course
pointer for guidance.
•
•
City Tab—Text and Zoom scale
settings for Large City, Medium
City, Small City and Small Town.
Other Tab—On/Off settings for
the Accuracy Circle and Heading
Line.
To restore Map page defaults, select
MENU > Setup Map > MENU >
Restore Defaults.
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The Main Pages
Compass Page Options
Data Fields—selects the number
of data fields that appear on the
Compass page.
Highway Page Options
Setup Page Layout—allows you to
select the text size and the number of
data fields rows.
Change Data Fields—selects the
type of data you want to show in the
data fields.
Change Data Fields—allows you
to select the type of data you want to
appear in the data fields.
Setup Highway—the Highway
Setup features.
Highway Page
The Highway page is for navigating
when a straight line course can be
followed. To navigate using the
Highway page, just follow the road.
If the Highway moves to the right,
turn right until the triangle is aligned
with the White Line in the middle
of the Highway, and the Highway
is pointed toward the top of the
screen. When you are approaching
a turn, the message “Approaching
Turn” appears. As you approach your
destination, the message “Arriving at
Destination” appears.
•
Setup Highway—the Line Tab
contains the On/Off settings for
Active Leg, Active Route, Track
Log and Saved Tracks.
◦
◦
◦
Active Leg—when set to Off,
the Active Leg of the graphic
highway does not appear.
Active Route—when Off is
selected, the graphic highway
does not appear.
Track Log—when Off is
selected, the Track Log does
not appear.
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The Main Pages
◦
Saved Tracks—when Off is
selected, Saved Tracks will
does not appear.
Active Route Page
If you are navigating a route, the
Active Route page displays the route
information.
•
Waypoint—the Waypoint Tab
contains the On/Off settings for
Next, Route, and Other.
Active Route Page options
Use Map—switches to map page.
◦
Next—determines if the next
waypoint in a Route appear.
If On is selected, you will
see the next waypoint in the
Route. If On is selected and
the Route option is set to Off,
only the Next Waypoint in the
Route appears.
Add Waypoint—allows you to add
an existing waypoint to the active
route.
Remove Waypoint—allows you to
remove a waypoint from the active
route.
Reverse Route—reverses the active
route, placing the last waypoint at
the top of the list.
◦
◦
Route—determines if the
waypoints in a Route appear.
If set to Off, Route Waypoints
will not be on the Graphic
Highway.
Plan Route—to plan a route, enter
Speed, Fuel Flow, Depart Time,
and Depart Date for future planned
routes. Fuel Flow is measured in
units per hour.
Other—determines if nearby
waypoints appear.
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The Main Pages
Data fields
NOTE: Consult your vehicle’s
owner’s manual for performance
specifications.
Receꢀver
status
Sꢀgnal
strength
Satellꢀte
locatꢀon
The Active Route page and the Route
page display your trip information
for each leg of the route, which
includes Course, ETA, Fuel to point,
Leg Fuel, Leg Time, Sunrise and
Sunset at point location, Time to
Point, and Leg Distance. To show a
specific field, use the rocker to move
through the fields.
Tꢀme
Date
Locatꢀon
GPS Information Page
GPS Information Page
Options
Start/Stop Simulator—enables you
to turn the GPS simulator on or off.
Stop Navigation—stops navigation
of active route.
Track Up/North Up—indicates
whether satellites are shown with
the rings oriented with North toward
the top of the screen or your current
track toward the top of the screen.
GPS Information Page
The GPS Information page displays
your speed, elevation, the estimated
accuracy, receiver status, satellite
locations, satellite signal strength,
the date, the time and the GPS
receiver’s current location.
New Elevation—use to enter a
different elevation.
New Location—use if you have
moved the GPS 72H more than 600
miles (1,000 km).
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Settings
Trip Computer
For information on the data fields on
the Trip Computer page, go to page
Settings
The Main Menu contains settings
and features not found on the main
pages and sub-menus. The Main
Menu is accessible from any page
by pressing MENU twice. To select
a menu item or customize an option,
use the rocker and the ENTER
button.
Trip Computer Options
From the Trip Computer page, press
MENU > select option.
Reset Trip—resets all data fields
except maximum speed and the
odometer to zero.
Menu
optꢀons
Used
memory
Reset Max Speed—resets the Max
Speed data field to zero.
Battery
power
Backlꢀght
ꢀndꢀcator
Reset Odometer—resets the
Odometer data field to zero.
Main Menu Page
Trip Computer Page
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Settings
For more information on tracks, see
Tracks
Tracks Options
From the Tracks Main Menu page,
press MENU > select option.
Points
Waypoints are selected and created
from the Points page.
Delete Saved Track—deletes a
saved track.
Waypoint Options Menu
Find By Name / Find Nearest—
select waypoint list search list
method.
Delete All Tracks—deletes all saved
tracks.
Setup Track Log—the Track Log
Setup menu appears.
Find Nearest—displays a list
•
Record—Off, Wrap When Full
or Stop When Full. If Wrap
When Full is selected, when track
memory is full, the oldest track
point will be deleted and a new
point added at the end.
containing the nearest waypoints
within a 100 mile radius. The nearest
waypoint is at the top of the list.
Find By Name—displays a list
containing all user waypoints.
You have the option of entering a
waypoint name in the data field or
scrolling through the list.
•
•
•
Record Method—set to Auto,
Time, or Distance.
Interval—selects or enters an
interval for the record method.
When you enter a waypoint name,
the device updates the waypoint list
to show waypoint names with the
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Settings
entered letters. You can continue to
enter the name, or press ENTER to
scroll through the list.
Delete All Routes—removes all
routes from the Routes page.
For more information on Routes, see
Delete Waypoint—deletes the
selected waypoint.
Proximity
Delete By Symbol—deletes all
waypoints with the same symbol as
the selected waypoint.
Proximity waypoints alert you when
approaching a predetermined area.
When you place a waypoint in the
Proximity List, you enter a Radius
that determines when a Proximity
Alarm appears. You can turn the
Proximity Alarm on or off.
For more information on waypoints,
Routes
Routes Page Options
Start/Stop Navigation—starts or
stops the navigation of a route.
Proximity Options
Add Waypoint—displays the Points
menu. Select a point to insert into the
Proximity List. With the Radius field
selected, press ENTER, and enter a
radius for an alert to appear. You can
also add a waypoint by highlighting
the dashed entry line and pressing
ENTER.
Copy Route—copies a selected
route.
Delete Route—removes the selected
route.
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Settings
Remove Point—removes a selected
Hunt and Fish
waypoint from the Proximity List.
The hunting and fishing almanac
provides the predicted best dates and
times for hunting and fishing at your
current location.
Remove All—removes all waypoints
from the Proximity List.
To view Hunt and Fish page:
Celestial
The Celestial menu allows you to
view Sun and Moon or Hunt and
Fish information.
•
Select Hunt and Fish to
view the hunting and fishing
predictions for your current
location.
•
Use the rocker and the
ENTER button to change the
date and location.
Sun and Moon
The Sun and Moon page shows
sunrise time, sunset time, moonrise
time, moonset time, and the moon
phase for a specified date.
System Info
Select System Info to see the
software version and unit ID number
for your GPS 72H.
To view the Sun and Moon Page:
•
Select Sun and Moon to view
the Sunrise/Sunset and Moon
phases.
•
Use the rocker and the
ENTER button to change the
date and location.
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2ꢂ
Settings
•
Battery Saver—optimizes
the GPS 72H to save battery
power. You may experience
slower screen updates, but
you should notice a significant
increase in battery life. When
in Battery Saver mode, the GPS
72H does not receive WAAS
satellite signals. For more battery
Setup
The Setup menu is arranged in a tab
format. Each tab contains the settings
that determine how the GPS 72H
functions. Use the rocker and the
ENTER button to change settings.
General Tab
The General tab contains settings for
Receiver Mode, WAAS, Backlight
Time Out, Beeper, and Language.
•
Simulator—turns off the GPS
receiver and simulates satellite
reception.
WAAS—Wide Area Augmentation
System. Use the WAAS capability
to increase GPS 72H accuracy to
approximately three meters.
General Tab Page
Backlight Timeout—sets the
amount of time the backlight stays
on.
Mode—allows you to choose from
the following operation modes:
Beeper—sets a beeper alert for
buttons and message, or message
only.
•
Normal—default mode set from
the factory. Use this setting for
best performance.
2ꢃ
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Settings
Language—sets the screen language
for the GPS 72H.
Current Date—displays the current
date based on GPS data.
Current Time—displays the current
time based on your time settings and
GPS data.
Time Tab
The Time tab contains the specific
time settings.
Units Tab
The Units tab allows you to
customize the units used for
many different types of data. The
units apply to related data fields
throughout the GPS 72H.
Time Tab Page
Time Format—select either 12- or
24-hour format.
Time Zone—select the appropriate
time zone.
Daylight Savings Time—select
YES to use daylight saving time,
NO to ignore it, or AUTO to
automatically turn daylight saving
time on and off.
Units Tab Page
Elevation—select feet or meters for
elevation measurement.
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Depth—set to show in feet, fathoms,
or meters. The GPS 72H must
be connected to a NMEA device
providing the DPT or DBT sentence.
specified in the time setting. To
change the time setting, go to page
25.
Location Tab
The Location tab contains the
settings for Location Format, Map
Datum, North Reference, and
Magnetic Variation. The settings are
used in fields throughout the device.
Distance and Speed—set to
nautical, statute, or metric.
Temperature—set to Fahrenheit or
Celsius.
Direction Display—set to Numeric
Degrees, Cardinal Letters, or Mils.
This setting is used in all fields that
relate to direction.
Speed Filter—set to Auto or User
defined setting. If User is selected,
a Seconds field appears. To enter a
user-defined setting, highlight the
Seconds field, and press ENTER.
When finished, press ENTER to
save. When using a user-defined
setting, the GPS 72H averages
the speed and heading at the rate
Location Tab Page
Location Format—allows you to
choose from 29 different formats.
Map Datum—describes geographic
positions for surveying, mapping,
and navigation, but are not actual
maps in the GPS 72H. There are over
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Settings
100 datums available. Only change
the Map Datum if you are using a
chart or a paper map that specifies a
different datum in the legend.
magnetic variation at your current
location, and provides magnetic
north heading references based
on the value you entered.
NOTE: If User is selected, you must
periodically update the magnetic
variation at your present position.
NOTICE: Selecting the
wrong map datum can result
in substantial position errors.
When in doubt, use the default
WGS 84 datum for best overall
performance.
NOTICE: Failure to update this
setting may result in substantial
differences between the
information displayed on your
GPS 72H and external references,
such as a magnetic compass.
North Reference—select the
reference used in calculating heading
information.
Magnetic Variation—displays the
magnetic variation at your current
location. When you select User for
the North Reference setting, this
field is used to enter the magnetic
variance.
•
Auto—provides magnetic north
heading references which are
automatically determined from
your current location.
•
•
•
True—provides headings based
upon a true north reference.
Grid—provides headings based
on a grid north reference.
User—allows you to specify the
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27
Settings
•
•
Automatic—alerts you
Alarms Tab
between 15 and 90 seconds
before reaching the destination,
depending on your speed.
The Alarms tab contains settings
for Anchor Drag, Approach and
Arrival, Off Course, Shallow Water,
and Deep Water. These settings
determine if a warning beep sounds,
and if an alarm message appears.
Distance and Time—alerts you
at the specified distance or time.
Off Course—alerts you when you
are off course more than the set
distance.
Shallow Water—requires input from
a NMEA device supplying the DPT
sentence. The Shallow Water alarm
alerts you when the water depth is
less than the set depth. For NMEA
Alarms Tab Page
Anchor Drag—alerts you when the
boat has drifted more than the set
distance.
Deep Water—requires input from
a NMEA device supplying the DPT
sentence. The Deep Water Alarm
alerts you when the water is deeper
than the set depth. For NMEA
Approach and Arrival—alerts you
when you are approaching a turn or
arriving at your destination.
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Settings
the beacon receiver scan for an
Interface Tab
available DGPS beacon or can
tune the beacon receiver to the
frequency and bit rate of a nearby
DGPS beacon.
The Interface tab contains two fields:
Serial Data Format and USB.
•
NMEA—allows the GPS 72H
to transmit NMEA 0183, version
2.3 data. It also allows the GPS
72H to accept NMEA data from
another NMEA device, such
as an echo sounder. The baud
(speed of communication in bits
per second) appears in the Baud
field. For NMEA connection
Interface Tab Page
Serial Data Format—
communication settings between
the GPS 72H and other electronic
devices.
•
Text Out—allows the GPS 72H
to output simple text data.
•
GARMIN—allows the GPS 72H
to communicate with GARMIN
software and other GARMIN
GPS devices.
•
RTCM In—allows the GPS 72H
to accept DGPS information from
a device supplying RTCM data in
an SC-104 format.
•
GARMIN DGPS—allows the
GPS 72H to communicate with
GARMIN Differential Correction
devices. The GPS 72H can have
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2ꢇ
Settings
•
RTCM In/NMEA Out—allows
Data Field Options
The following table lists all of
the GPS 72H data fields and
descriptions.
the GPS 72H to communicate
with a NMEA 0183, version
2.3 sentences, GPRMC,
GPGGA, GPGSA, GPGSV,
GPGLL, GPBOD, GPRTE, and
GPWPL. For NMEA connection
Data Field
Description
Accuracy
The accuracy of
the GPS signal.
•
•
RTCM In/Text Out—allows
the GPS 72H to output simple
text data that includes date,
time, position, and velocity
information.
Bearing
Course
Depth
The direction
from your current
location to a
destination.
The direction
from your
starting location
to a destination.
None—turns off all serial
communication.
USB—displays connectivity of
the device to a computer. For more
The depth of the
water. Requires
a NMEA
0183 device
connection to
acquire data.
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Settings
Description
Data Field
Description
Data Field
Dist to
Destination
(distance)
The distance
Maximum
Speed
The maximum
speed.
from a current
location to a GO
TO destination or
final waypoint.
Moving
Avg Speed
(average)
Average speed
of the GPS 72H
while moving.
Dist to Next
(distance)
Distance from a
current location
to a GO TO
destination or the
next waypoint.
Moving Trip
Timer
Total time the
GPS 72H has
been moving.
Off Course
The distance (left
or right) you are
from the original
course (path of
travel).
ETA at
Destination
(estimated time reach a GO TO
of arrival)
Estimated
time you will
destination or
Pointer
Speed
The data field
arrow points in
the direction you
are traveling.
final waypoint.
ETA at Next
Estimated
(estimated time time you will
of arrival)
reach a GO TO
destination or
next waypoint.
Displays rate of
current speed.
Elevation
Height above
mean sea level
(MSL).
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ꢂꢁ
Settings
Data Field
Description
Data Field
Description
Time of Day
Current time of
day based on
time settings.
Total Avg
Speed
(average)
Average speed
of the GPS 72H
for both moving
and stopped
speeds since last
timer reset.
Time to
Destination
The estimated
time required
to reach a GO
TO destination,
or the final
Total Trip
Timer
Total time the
device has been
in operation
waypoint in a
route.
since last reset
of the trip timers.
Time to Next
The estimated
time required
to reach a GO
TO destination,
or the next
waypoint in a
route.
Track
The direction
of movement
relative to a
ground position.
Trip Odometer A running tally of
distance traveled
since last reset.
To Course
Direction you
must travel to
return to route.
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Settings
Description
Data Field
Description
Data Field
Turn
The angle
difference
Water Speed
Speed of the
boat relative
to the water.
Requires a
NMEA 0183
device to acquire
data. See page
38.
(in degrees)
between the
bearing to your
destination and
current line of
travel. L means
turn left. R
Water
Temperature
The temperature
of the water.
Requires a
means turn right.
(Velocity Made The speed at
Good) VMG
which you are
closing on a
destination
along a route.
(estimated time
of arrival). See
NMEA 0183
device to acquire
data. See page
38.
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ꢂꢂ
Marine Navigation
NOTE: Your choice of fastener
hardware depends on the mounting
surface material.
Marine Navigation
The GPS 72H can be used for marine
navigation, as either a handheld or a
mounted device.
Cradle
Baꢀl mount
knob
Mounting the GPS 72H
A marine mount may be included
with your device, or it is available as
an optional accessory.
Swꢀvel base
Baꢀl mount
Installing the Mount in a
Fixed Position
Hardware Needed for
Installation
Select a location that provides
optimal viewing and allows easy
access to the keypad. Select a
mounting surface strong enough to
support the weight of the device and
protect it from excessive vibration
or shock.
•
•
•
Drill
Screwdriver (Phillips or flat)
Three #8 machine bolts with
matching nuts and washers and
5
32
a / in. (4 mm) drill bit, or three
1
16
#8 self-tapping screws and a /
in. (1.5 mm) drill bit.
NOTICE: Do not place the mount
in a location where the device is
exposed to extreme temperature
conditions.
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Marine Navigation
1. Remove the bail mount knob.
NOTE: If securing the base using
1
16
self-tapping screws, drill / in.
Baꢀl mount
knob
(1.5 mm) starter holes at the
locations you marked. Starter holes
should be no deeper than half the
screw length.
Baꢀl mount
4. Secure the bail mount with
three bolts or screws. Do not
overtighten.
Swꢀvel
base
5. Align the mounting hole on the
cradle with the holes on the bail
mount and secure it with the bail
mount knob.
2. Using the bail mount as a
template, mark the location of the
three pilot holes on the mounting
surface.
Installing the Mount in a
Swivel Position
1. Remove the base knob. Set the
base knob and the swivel base
aside.
Baꢀl mount
2. Remove the bail mount knob.
Separate the bail mount from the
cradle.
3. Using the swivel base as a
template, mark the location of the
three holes.
3. If you are securing the base with
5
32
machine bolts, drill three / in.
(4 mm) pilot holes.
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Marine Navigation
Adjusting the Viewing Angle
1. Tilt the GPS unit by loosening the
knob.
2. Rotate the entire bracket
assembly by loosening the bail
mount knob on the swivel base.
Swꢀvel
base
4. If securing the base with machine
5
32
bolts, drill three / in. (4 mm)
holes.
NOTE: If securing the base using
1
Knob
16
self-tapping screws, drill / in.
(1.5 mm) starter holes at the
locations you marked. Starter holes
should be no deeper than half the
screw length.
3. Select your preferred viewing
angle and tighten the knobs.
5. Secure the swivel base with
three bolts or screws. Do not
overtighten.
6. Align the mounting hole on the
cradle with the holes on the bail
mount and secure it with the bail
mount knob.
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Marine Navigation
Installing the Device into the
Mounting Bracket
Receiving Marine Data
To receive VMG data, you must
be connected to a NMEA 0183-
compatible water-speed sensor. To
receive water temperature data, you
must be connected to a NMEA 0183-
compatible temperature sensor.
1. Locate the groove on each side of
the device case.
2. Align the grooves on the device
with the corresponding tabs on
the device cradle and slide the
device downward into the bracket.
NOTE: To receive water speed and
temperature information, connect a
water-speed and water-temperature
sensor to the device.
3. Secure the device in the cradle by
sliding the locking mount handle
to the left.
Lockꢀng
handle
Groove
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Marine Navigation
Connecting the Power/Data Cable
The power/data cable connects the GPS 72H to a 8-35 volt DC system and
provides interface capabilities for connecting external devices. The color
code in the diagram below indicates the appropriate harness connections. The
replacement fuse is a AGC/3AG - 2.0 Amp fuse.
Color
Function
Red
Power
Ground
Black
Brown
White
Data Out (Tx)
Data In (Rx)
>
>
GPS 72H Power/Data Cable
Interfacing
The following formats are supported for connection of external devices:
GARMIN proprietary Differential GPS (DGPS), NMEA 0183 version 2.3,
ASCII Text Output, and RTCM SC-104 input (version 2.0).
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Marine Navigation
The following are the sentences for NMEA 0183, version 2.3 output:
•
Approved sentences—GPRMC, GPGGA, GPGSA, GPGSV, GPGLL,
GPBOD, GPRTE, and GPWPL.
•
Proprietary sentences—PGRME, PGRMZ, and PSLIB. The GPS 72H
also includes NMEA input with support for the DPT, MTW, and VHW
sentences.
+
-
Battery
WIRE
COLOR
RED
WIRE
8–32 Vdc
RED
NMEA 0183-
Compliant
Device
BLACK
POWER GND
NMEA GND
Rx
BROWN
WHITE
>
>
Tx
>
>
GPS 72H
Wiring the GPS 72H to a Standard NMEA 0183 Device
NOTE: Consult the installation instructions for your NMEA 0183-compliant
device to identify the Transfer (Tx) and Receiving (Rx) connections.
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Appendix
Transferring Tracks, Routes,
or Waypoints
Appendix
Tracks, routes, and waypoints can be
transferred between your device and
a computer using MapSource.
Connecting Your Device
to a Computer
1. Plug the small end of the USB
cable into the mini-USB port on
the back of the device (under the
weather cap).
NOTE: For information about
To transfer tracks, routes,
or waypoints to and from
MapSource:
1. Connect your device to the
computer with a USB cable.
2. Connect the larger end of the
USB cable to an available USB
port on your computer.
NOTE: To check your connection,
press MENU twice > select Setup >
Interface > Connected.
2. Open MapSource on your
computer.
3. Select tracks, routes, or
waypoints to transfer.
4. Click Receive From Device
or Send To Device on the
MapSource Transfer menu.
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Appendix
Battery Information
Cleaning the Display
Screen
Use a soft, clean, lint-free cloth. Use
water, isopropyl alcohol, or eyeglass
lens cleaner. Apply the liquid to
the cloth and then gently wipe the
display screen with the cloth.
WARNING: Do not use a sharp
object to remove user-replaceable
batteries. Contact your local waste
disposal department to properly
recycle the batteries.
Optimizing Battery Life
Use premium batteries for optimal
performance and maximum battery
life.
Resetting the GPS 72H
If your GPS 72H stops functioning,
you can remove and then reinstall the
batteries to reset the device.
Consider the following suggestions
to maximize battery life:
•
Avoid excessive use of
the backlight, which will
significantly decrease battery life.
•
•
Select a shorter backlight
Turn off GPS when not using.
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ꢃꢁ
Appendix
Acquisition Times: Approximately 3
seconds (hot start)
Specifications
Physical
Size: W × H × D
Approximately 32 seconds
(warm start)
Approximately 39 seconds (cold
start)
1.2 ×2.7 × 6.2 in. (3.0 × 6.9 ×
15.75 cm)
Weight: 7.9 oz. (224 g)
Update Rate: 1/second, continuous
Display: High-contrast FSTN, 4-level
gray scale display (120 × 160
pixels)
GPS Accuracy: *< 15 meters (49
feet) RMS 95% typical
DGPS (USCG) Accuracy: 3–5 meters
Case: Fully gasketed, floatable, high-
impact plastic alloy, waterproof
to IEC 529-IPX-7
(10–16 ft), 95% typical
DGPS (WAAS) Accuracy: 3 meters
(10 ft.) 95% typical with DGPS
corrections
Temp. Range: From 5°F to 140°F
(from -15°C to 60°C)
Velocity Accuracy: 0.1 knot RMS
Performance
Battery Life: 18 hours in Battery
steady state
Dynamics: 6 g
Saver mode
* Subject to accuracy degradation to
100m 2DRMS under the US DOD-
imposed Selective Availability Program.
Receiver: Differential-ready 12
parallel channel receiver
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Appendix
DGPS: 10 ft. (3 m) 95% typical*
Power
Batteries: Two 1.5-volt AA batteries1
*Wide Area Augmentation System
(WAAS) accuracy in North America.
Source: 8–35V DC
Velocity: 0.1 meter/sec steady state
Interfaces: Garmin Proprietary (USB)
Fuse:AGC/3AG - 2.0 Amp
1 The temperature rating for the GPS 72H
may exceed the usable range of some
batteries. Alkaline batteries can rupture at
high temperatures. Alkaline batteries lose
a significant amount of their capacity
as temperature decreases. Use lithium
batteries when operating the GPS 72H in
below-freezing conditions. Extensive use
of screen backlighting will significantly
reduce battery life.
Data Storage Life: Indefinite; no
memory battery required
Accuracy
GPS: <33 ft. (10 m) 95% typical*
* Subject to accuracy degradation to
100m 2DRMS under the U.S. DoD
imposed Selective Availability (SA)
Program when activated.
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Appendix
disassemble, modify, reverse assemble,
reverse engineer, or reduce to human
readable form the Software or any part
thereof or create any derivative works
based on the Software. You agree not to
export or re-export the Software to any
country in violation of the export control
laws of the United States of America.
Software License
Agreement
BY USING THE GPS 72H, YOU
AGREE TO BE BOUND BY THE
TERMS AND CONDITIONS OF THE
FOLLOWING SOFTWARE LICENSE
AGREEMENT. PLEASE READ THIS
AGREEMENT CAREFULLY.
Garmin grants you a limited license to
use the software embedded in this device
(the “Software”) in binary executable
form in the normal operation of the
product. Title, ownership rights, and
intellectual property rights in and to the
Software remain in Garmin.
Declaration of
Conformity (DoC)
Hereby, Garmin, declares that this
GPS 72H is in compliance with the
essential requirements and other relevant
provisions of Directive 1999/5/EC.
To view the full Declaration of
Conformity, see the Garmin Web site for
You acknowledge that the Software
is the property of Garmin and is
protected under the United States
of America copyright laws and
international copyright treaties. You
further acknowledge that the structure,
organization, and code of the Software
are valuable trade secrets of Garmin
and that the Software in source code
form remains a valuable trade secret of
Garmin. You agree not to decompile,
ꢃꢃ
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Index
batteries
installing ii
D
Index
data fields
storage 2
changing 14
descriptions 30
date 25
Declaration of Conformity
distance
A
accessories ii
Active Route page
stopping navigation
bearing 30
beeper 24
buttons 3
C
Alarms tab
Celestial menu
measuring 14
approach and arrival
Compass page
E
computer
checking connection
elevation 25
G
Garmin Product Support
B
backlight 5
adjusting 5
timeout 5
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Index
General tab
Map page
I
Interface tab
mode 24
orientation 15
communication
settings 29
USB 30
GPS 72H
MapSource
interfacing 38
cleaning 41
connecting to
computer 40
L
transferring
resetting 41
M
specifications 42
GPS information page
waypoints 40
marine mount
marine usage
Main menu
accessing 13
Main pages
interfacing 38
NMEA connection
Active Route page
GPS information
page 19
H
Highway page
setup 17
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Index
proximity waypoints
adding 22
Setup menu
N
navigating
removing 23
route 12
stopping 15
R
registration i
NMEA 29
wiring 39
simulator 24
software license
agreement 44
specifications 42
routes
copying 22
creating 11
deleting 22
editing 12
O
odometer 20
P
options 22
T
points 21
transferring 40
RTCM 29
temperature 26
time
date 25
S
format 25
TracBack 11
satellite signals
acquiring 5
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For the latest free software updates (excluding map data) throughout the life of
© 2009 Garmin Ltd. or its subsidiaries
Garmin International, Inc.
1200 East 151st Street, Olathe, Kansas 66062, USA
Garmin (Europe) Ltd.
Liberty House, Hounsdown Business Park, Southampton, Hampshire, SO40 9LR UK
Garmin Corporation
No. 68, Jangshu 2nd Road, Shijr, Taipei County, Taiwan
September 2009
Part Number 190-01119-00 Rev. B
Printed in Taiwan
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