X-45
INSTALLATION AND OPERATION
INSTRUCTIONS
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INTRODUCTION
Thank you for purchasing a Lowrance sonar. Your X-45 is a high quality
sonar designed for both professional and novice fishermen. These units
have an automatic feature that finds and displays the bottom, fish,
structure, and more! All you have to do is press the on key. However, if
you wish to fine tune the unit, simply press the menu key. The X-45 has
powerful features available through easy-to-use menus.
Installing an optional speed/temperature sensor lets you view the surface
water temperature, boat speed, and distance log. The X-45 also takes
advantage of the optional BroadView™ transducer. See page 12 for
information on the FishView™ feature that uses this transducer.
SPECIFICATIONS
Dimensions ...................... 5.9" W x 5.35" H x 3.4" D
Input Voltage .................... 10 - 15 vDC
Current Drain ................... 350 ma (lights off)
........................... 500 ma (lights on)
Transmitter
Frequency.......... 192 kHz
Output Power..... 600 watts (peak-to-peak)
........................... 75 watts (RMS)
Display ........................... 100 pixels (H) x 65 pixels (W)
........................... Supertwist Liquid Crystal Display
5.9"
3.4"
NOTICE!
The storage temperature for your unit is from -4 degrees to +167 degrees
Fahrenheit (-20 degrees to +75 degrees Celcius). Extended storage in tempera-
tures higher or lower than specified will damage the liquid crystal display in your
unit. This type of damage is not covered by the warranty. For more information,
contact the factory customer service department or your local service center.
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INSTALLATION - Bracket
You can install the X-45 on the top of a dash or from an overhead with the
supplied bracket. It can also be installed in the dash with an optional IDA-
3 or IDA-4 mounting kit. If you use the supplied bracket, you may be
interested in the optional GBSA-1 swivel bracket kit. This converts the X-
45's gimbal bracket to a swivel mount which can be used on the dash or
overhead mounting positions. Installation instructions for the in-dash and
swivel mounting kits are supplied with the adapter kits.
Mount the X-45 in any convenient location, provided there is clearance
whenit’stiltedforthebestviewingangle. Holesinthebracket’sbaseallow
woodscreworthroughboltmounting.Itmaybenecessarytoplaceapiece
of plywood on the back side of thin panels to reinforce the panel. Make
certain there is enough room behind the unit to attach the power and
transducer cables.
Drill a hole in the dash for the power and transducer cables. The best
locationforthisholeisimmediatelyunderthegimbalbracket.Thisway,the
bracket covers the hole. The smallest hole the power or transducer cable
connector can pass through is 3/4". However, you can’t pass a power or
transducer connector and another cable through a 3/4" hole. Therefore,
after drilling the hole, pass the transducer connector up through the hole
from under the dash. Then drop the power cable down from the front side
of the dash. After installing the transducer and power cables, slide the
bracket over the hole, then route the transducer and power cables out the
slot in the back of the bracket. Finally, fasten the bracket to the dash.
X-45
GIMBAL BRACKET
WASHER
GIMBAL KNOB
AttachtheX-45tothegimbalbracketusingthesuppliedgimbalknobsand
washers as shown above.
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POWER CONNECTIONS
The X-45 works from a 12 volt DC system only. For the best results, run
the power cable directly to the boat’s battery. Keep the power cable away
fromotherboatwiring,especiallytheengine’swires. Thiswillgivethebest
isolation from electrical noise. If the supplied cable is not long enough to
reachthebattery, splice#18gaugeinsulatedwiretoit. Ifyoudoextendthe
powercable,makecertaintoattachthein-linefuseholdersuppliedwiththe
X-45 to the battery or power source. This will protect both the unit and the
power cable in the event of a short. Use only a 3-amp fuse.
IMPORTANT!
Do not use this product without a 3-amp fuse wired into the power cable!
Failure to use a 3-amp fuse will void your warranty!
You can also attach the power cable to an accessory or power buss,
however, you may have problems with electrical interference.
This units has reverse polarity protection. No damage will occur if the
power wires are reversed. However, the unit will not work until the wires
are attached correctly.
Ifyou'vepurchasedaspeed/temperaturesensor, installitaccordingtothe
instructionsenclosedwithit.Routeitscabletothe connectorontheX-45's
power cable. The X-45 is now ready for use.
TO POWER
CONNECTORR
ON X-45
RED
WIRE
3 amp
BLACK
FUSE
WIRE
TO
OPTIONAL
SPEED/
TEMP
SENSOR
12 VOLT
BATTERY
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KEYBOARD BASICS
The unit sounds a tone when you
press any key. This tells you the
unit has accepted a command.
ON/CLEAR
Use this key to turn the unit on. It
also clears menu selections and
the menus from the screen.
OFF
This key turns the unit off.
MENU
The X-45 has many features that are accessed with this key. To see the
firstmenu,presstheMENUkey.Toseetheothermenus,presstheMENU
key repeatedly.
UP and DOWN ARROWS
Use these keys to adjust virtually every feature and function on the unit.
NOTE: The up arrow key also stops the chart when no menus are
displayed. In other words, anytime you wish to stop the chart, first make
certain no menu is on the screen. Now press the up arrow key. The chart
freezesandtheword“STOP”appearsatthetopofthescreen. Tostartthe
chart, press the up arrow key again.
DISPLAY - General
The lights flash for about ten seconds when the X-45 is turned on. Three
menusappear,oneaftertheother. Themenusarethelights(LAMP),feet-
meterselection(FEET/METER),andcontrastadjustment(DARK/LIGHT).
Toturnthelightson,presstheuparrowkey. Toswitchfromfeettometers,
press the down arrow key when the proper menu appears. To adjust the
contrast, wait for the DARK/LIGHT menu to
appear. Now press the up arrow key to
darken the screen, the down arrow to lighten
it. Themenusdisappearafterafewseconds.
If you don’t want to wait, press the ON/
CLEAR key to clear the menus from the
screen.
When the X-45 is first turned on, the display
appears similar to the one at right. The unit is
in the automatic mode. The depth range
displays on the upper left side of the screen.
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Intheexampleshownatthebottomofthepreviouspage, therangeisfrom
0 to 60 feet and the bottom depth is 37.3 feet.
NOTE: Turning the X-45 off erases all user settings and it returns to the
systemdefaults.Forexample,ifyouturnthelightson,thenturntheunitoff,
the next time you turn the unit on, the lights will be off, since the default
setting for the lights is off.
MENUS
The X-45 uses menus to guide you through the unit’s functions and
features. The menu key accesses these features, allowing you to custom-
ize the unit to your particular needs and water conditions. All you have to
dotoleaveonemenuandenteranotherispressthemenukeyrepeatedly.
If you ever get lost in the menus, simply press the ON/CLEAR key. This
clears the menus from the screen.
Menus change depending on the mode the unit is in. For example, if the
automatic mode is turned off, the sensitivity menu changes from “AUTO
SENS” to “MAN SENS.” Other messages may appear in menu boxes or
new menus can appear, again depending on previous selections.
On the screen shown on the previous page, the lamp menu is showing.
Pressing the up arrow key while this menu is on the screen turns the back
lights on.
OPERATION
AUTOMATIC
When the X-45 is first turned on, the automatic feature is enabled. This
feature automatically adjusts the unit’s range and sensitivity according to
water conditions. It always keeps the bottom depth displayed in the lower
portion of the screen.
To turn the automatic feature off, press the
menu key until the AUTO/MAN menu ap-
pears. Now press the down arrow key. This
highlights the letters “MAN.” The unit is now
inthemanualmode. Waitafewsecondsand
the menu will scroll off the screen’s left side.
Pressing the ON/CLEAR key also clears it.
Toturntheautomaticfeatureonagain,repeat
theabovesteps,exceptthistimepresstheup
arrow key.
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RANGE
Youcan’tadjusttherangewhentheX-45isin
theautomaticmode. Itisadjustablewhenthe
unit is in the manual mode, however. To do
so, firstputtheunitinthemanualmode. Now
presstheON/CLEARkeytoclearthescreen.
Then press the menu key until the “RANGE
SEL” menu appears as shown below. The
current range shows at the bottom of the
menu. In this case, the range is 60 feet. Now
presstheuparrowkeytodecreasetherange,
the down arrow key increases the range.
After you select the desired range, press the
ON/CLEAR key to clear the display. If you wait a few seconds, it
automatically clears.
The X-45 has the following ranges:
10, 20, 40, 60, 120, 240, 480, and 900 feet.
and
5, 10, 20, 40, 60, 100, 200, and 300 meters.
NOTE: The depth capability of the X-45 depends on the transducer
installation, water and bottom conditions, and other factors.
RANGE - Upper and Lower Limits
The X-45 lets you change the upper and lower range limits when it's in the
manual mode. This lets you "zoom" in on segments of the water as small
as 10 feet. In other words, you can set the upper limit to 25 feet and the
lowerlimitto35feet,regardlessofthebottom
depth. This in essence, gives you a 10 foot
zoom. You can choose any segment of the
water, as long as the distance between the
upper limit and lower limit is 10 feet (10
meters) or more.
To change the upper limit, first make certain
theunitisinthemanualmode.Next,pressthe
MENU key until the "UPPER LIMIT" menu
appears. Now press the down arrow key to
increasetheupperlimitortheuparrowkeyto
increase it. After you've finished, wait a few
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21 FOOT UPPER LIMIT
secondsandthemenuwillscrolloffthescreen’sleftside. PressingtheON/
CLR key also clears it.
To change the lower limit, again make certain the unit is in the manual
mode. PresstheMENUkeyuntilthe"LOWERLIMIT"menuappears. Now
press the down arrow key to increase the lower limit or the up arrow key
to increase it. When you have the limit set, wait a few seconds and the
menu will scroll off the screen’s left side. Pressing the ON/CLR key also
clears it.
ZOOM
The zoom feature enlarges all echoes on the screen. If the unit is in the
automatic mode, it tracks the bottom signal, always keeping it near the
bottom of the screen. This lets you see small detail, at the same time
enlargingallechoesthatappearonthescreen.
Theunitdoesn’ttrackthebottominthemanual
mode, andtheadjustmentsareslightlydiffer-
ent.
Zoom - Automatic Operation
To zoom the display, first press the MENU
key until the RANGE/ZOOM menu appears
asshownatright. Nowpressthedownarrow
key. This switches the unit into the zoom
mode. A new menu immediately appears as
shown at the top of the next page.
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This is the zoom size menu. Zoom size is the
distance between the upper limit and the
lower limit. The upper limit shows at the top
left corner of the screen. The lower limit is in
the bottom left corner. For example, if the
upper limit is 40 feet and the lower limit is 70
feet, the zoom window size is 30 feet. The
word “TRACK” appears in this menu when
you first activate the zoom as shown below.
This means the X-45 is tracking the bottom in
a zoom window, always keeping it on the
display.
Press the up arrow key to decrease the zoom size, press the down arrow
key to increase the zoom size.
When the unit is switched into the zoom
mode,theletters“ZM”appearatthetopofthe
screen. Thezoomwindowsizedisplaysinthe
top right corner of the screen.
On the screen shown at right, the zoom size
has been changed to 20 feet.
To turn the zoom feature off, press the menu
key until the RANGE/ZOOM menu appears.
Now press the up arrow key.
This switches the unit into the range mode,
which turns the zoom feature off.
The X-45 has the following zoom ranges:
10, 20, 30, 60, 120, 240, and 480 feet
and
5, 10, 20, 30, 50, 100, and 150 meters.
Zoom - Manual Operation
To operate the zoom feature when the X-45 is in the manual mode, first
pressthemenukey. ThenpressthedownarrowkeyintheRANGE/ZOOM
menu to place the X-45 in the zoom mode. The zoom size menu
automatically appears next. You can change the zoom size by pressing
the up or down arrows. After you select the desired zoom size, press the
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menu key until the “MOVE ZOOM” menu
appears. This menu lets you move the zoom
window up or down in one foot increments by
pressingthearrowkeys. Thus,youcanmove
the zoom window up towards the surface,
down to the bottom, or anywhere in between.
The window stays where you put it. It doesn’t
track the bottom signal.
To turn the zoom feature off, press the menu
key until the RANGE/ZOOM menu appears.
Now press the up arrow key. This switches
the unit into the range mode, which turns the
zoom feature off.
SENSITIVITY
The sensitivity menu lets you control the unit’s ability to pick up echoes. A
low sensitivity level excludes much of the bottom information, fish signals,
and other detail. High sensitivity settings lets you see features, but it can
also clutter the screen with noise and other unwanted signals. Typically,
the best sensitivity level shows a good, solid bottom signal with grayline.
The X-45 adjusts the sensitivity level to keep a solid bottom signal on the
screen. It adds a little extra when it’s in the automatic mode. This gives
it the capability to show fish and other detail. However, situations occur
where it becomes necessary to increase or decrease the sensitivity level.
Typically, this occurs when you wish to see more detail, so you need to
increasethesensitivity. Theproceduretoadjustitisthesamewhetherthe
unit is in the automatic or manual mode.
To change the sensitivity level, first press the
menu key until the sensitivity menu appears.
If the unit is in automatic, the menu shows
“AUTO SENS.” Otherwise, the menu shows
“MANSENS.” Nowpresstheuparrowkeyto
increase the sensitivity, the down arrow to
decrease it. A vertical bar graph in the menu
boxshowsthesensitivitylevel. Echoesscroll-
ing onto the screen will also show the effects
of the sensitivity change. If you reach the
maximumorminimumsensitivitylevel,atone
sounds alerting you to the limits.
Afteryou’veadjustedtheunittothedesiredsensitivitylevel, presstheON/
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CLEAR key to clear the display. If you wait a few seconds, it will
automatically clear.
GRAYLINE ®
Grayline lets you distinguish between strong and weak echoes. It “paints”
gray on targets that are stronger than a preset level. This shows the
difference between a hard or soft bottom, large fish versus smaller ones,
or rocks and brush on the bottom. For example, a soft, muddy, or weedy
bottom returns a weaker signal which shows a narrow or no gray line. A
hard bottom returns a strong signal that causes a wide gray line.
If you have two targets of equal size, one with gray and the other without,
the target with gray is the stronger echo. This helps distinguish fish from
structure, or the larger fish from a smaller one.
Grayline ® is adjustable. Since it shows the
differencebetweenstrongandweakechoes,
changing the level may require a different
sensitivity setting.
To change the Grayline level, first press the
MENU key until the Grayline menu appears.
Now press the up arrow key to increase the
level, the down arrow to decrease it. The bar
graph in the Grayline menu box shows the
levelofGraylinenowinuse. Echoesscrolling
onto the screen will also show the effects of
the Grayline change. If you reach the maxi-
mum or minimum level, a tone sounds alert-
ing you to the limits.
The level chosen by the X-45 when it’s first turned on is usually adequate
for most conditions. Experiment with your unit to find the Grayline setting
that’s best.
FISH ID FEATURE
The Fish ID feature identifies targets that meet certain conditions as fish.
The microcomputer analyses all echoes and eliminates surface clutter,
thermoclines,andotherundesirablesignals. Inmostinstances,remaining
targets are fish. The Fish ID feature displays symbols on the screen in
place of the actual fish echoes. There are four symbol sizes: tiny, small,
medium,andlarge. Theseshowtherelativesizebetweentargets. Inother
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words, it displays a small fish symbol when it thinks a target is a small fish,
a medium fish symbol on a larger target, etc.
The microcomputer is sophisticated, but it can be fooled. It can't distin-
guish between fish and other suspended objects such as turtles, sub-
merged floats, air bubbles, etc. Individual
treelimbsextendingoutwardsfromagroupof
limbs are the hardest objects for the Fish ID
feature to distinguish from fish. You may see
Fish ID symbols on the screen when, in fact,
there are no fish. Practice with the unit when
the Fish ID feature is on and off to become
morefamiliarwithFishID.Toturnthisfeature
on, press the menu key until the Fish ID
feature’s menu appears as shown at right.
Now press the up arrow key. This turns the
feature on. To turn it off, repeat the above
steps, but press the down arrow key instead.
The Fish ID feature can’t be used when the X-45 is in the manual mode.
If you turn the automatic feature off, the Fish ID feature will automatically
be turned off, also.
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TargetTrack™
The X-45 has the unique capability to "see" targets not only straight down,
butalsototherightandleft,thankstotheoptionalBroadView™transducer
(not included). This transducer has three elements: left, right, and down.
The X-45 uses all three elements to display targets between the surface
and the bottom. Targets are shown as Fish ID symbols. This feature also
shows the depth of the target directly above the fish symbol. In the screen
shown below right, there is one symbol from the right element at 22 feet,
one from the left element at 29 feet, and one from the center element at 16
feet. TheTargetTrackfeatureidentifiesfishsymbolscomingfromtheright
element with a "R" in front of the symbol's depth. A "L" identifies symbols
from the left element. No letter identifies fish symbols from the center
element. The bottom signal and the digital depth display are read from the
center element only.
To turn the TargetTrack feature off, simply press the MENU key until its
menu appears as shown below, then press the down arrow key.
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CHART SPEED
The rate echoes scroll across the screen is
called the chart speed. It’s adjustable by
pressing the menu key until the chart speed
menu appears. Chart speed is set to maxi-
mum when the X-45 is first turned on. To
decreaseit,pressthedownarrowkey. Press
theuparrowkeytoincreasethespeedagain.
The bar graph in the Chart Speed menu box
showsagraphofthespeed. Echoesscrolling
onto the screen will also show the effects of
the change. If you reach the maximum or
minimum level, an warning tone sounds.
Tostopthechart, firstclearanymenufromthescreenbypressingtheON/
CLEARkey. Youcan’tstopthechartwhileamenuisdisplayed. Nowpress
the up arrow key. The chart will freeze and the word “STOP” appears at
the top right portion of the screen. To start the chart, press the up arrow
key again.
DISPLAY MODE
The X-45 has three different screen modes. To change modes, press the
MENU key until the “DISP MODE” (Display Mode) menu appears. Then
press the up or down arrow keys until the desired mode number appears.
The modes are as follows:
CHT 1 (Chart #1)
This is the default mode used when the X-45
isfirstturnedon. Ithasthefollowingfeatures:
1. Automatic On
2. Fish ID Feature Off
3. Digital Depth Display On
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CHT 2 (Chart #2)
Same as Chart #1 plus digital surface water
temperature display.
CHT 3 (Chart #3)
Same as Chart #1 plus a digital speed
display.
CHT 4 (Chart #4)
ThisistheHighSpeedScrollmode. Ithasthe
following features:
1. Automatic Off
2. Fish ID Feature Off
3. All Digital Displays Off
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DIG 1 (Digital #1)
This is the first digital only screen. It shows
the digital depth display at the top of the
screen in very large numbers. The shallow
and deep alarm settings are displayed be-
neath the digital depth. No chart shows on
this screen.
DIG 2 (Digital #2)
The digital depth display shows at the top of
this screen in very large digits. The digital
temperature, speed, and log shows beneath
the depth. The log starts counting when the
X-45 is first turned on. When the X-45 is
turned off, the log is reset to zero.
ALARMS
FISH ALARM
The Fish Alarm sounds a tone when a fish symbol appears on the screen.
To use the fish alarm, press the menu key until the “FISH ALARM” menu
appears on the screen. Now press the up
arrow key to turn the alarm on. Repeat the
above steps to turn the fish alarm off. (Note:
If the Fish ID feature is off, it will be turned on
when you turn the fish alarm on.)
DEPTH ALARMS
The depth alarms are triggered only by the
bottom signal. No other echoes will activate
these alarms. The depth alarms consist of a
shallow and deep alarm. The shallow alarm
sounds an alarm tone when the bottom goes
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shallower than the alarm’s setting. The deep
alarm sounds a tone when the bottom goes
deeper than it’s setting. Both alarms adjust
the same, although through different menus.
Shallow Alarm
Tosettheshallowalarm, pressthemenukey
repeatedly until the “SHAL ALARM” menu
appears. Press the down arrow key to in-
crease the shallow alarm's depth setting, the
uparrowkeydecreasesit. Thenumberinthe
shallow alarm’s menu box shows the current
shallow alarm setting. When the number
reachesthedesiredsetting,releasethearrowkey. Whenthebottomdepth
goesshallowerthanthealarm’ssettinganalarmtonesounds. Atthesame
time the alarm sounds, a message box ap-
pears on the screen as shown at right.
Press the up arrow key to silence the alarm.
This will turn the alarm sound off until the
shallow alarm is triggered again.
Toturnthealarmoff,pressthemenukeyuntil
theshallowalarmmenuappears. Thenpress
the up arrow key until the word “OFF” ap-
pears.
Deep Alarm
The deep alarm adjusts the same as the shallow alarm. Use the “DEEP
ALARM” menu to adjust the deep alarm. When the bottom signal goes
deeper than the setting, an alarm tone sounds.
LIGHTS
The X-45’s display is backlighted for night
use. Toturnthebacklightsonoroff,pressthe
menu key repeatedly until the LAMP menu
appears. Now press the up arrow to turn the
lights on or the down arrow to turn them off.
The menu will clear automatically after a few
seconds.
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FEET/METER
The X-45 can show the depth in feet or
meters, temperature in degrees Fahrenheit
or Celsius, speed in statute miles per hour or
knots, and distance (log) in statute miles or
nautical miles. When the unit is in the metric
mode, all depth readings, ranges, zooms,
andalarmsettingsareinmeters. Whenaunit
is in the feet mode, all of the above settings
are in feet.
To change from feet to meters or vice-versa,
press the menu key until the FEET/METER
menu appears as shown at the bottom of the previous page. Press the
downarrowkeytoswitchtometric, theuparrowtoswitchtofeet. Displays
show in feet when the unit is first turned on. The menu will clear
automatically after a few seconds or you can press the ON/CLEAR key to
clear the screen.
DISPLAY CONTRAST
The unit’s display contrast is adjustable to
suitdifferentlightingconditions. Thiswillhelp
youseethescreenfromdifferentangles,orat
various times of the day.
To adjust the contrast, press the menu key
until the DARK/LIGHT menu appears. To
decreaseit,pressthedownarrowkey. Press
the up arrow key to increase the contrast.
The bar graph in the Dark/Light menu box
shows a graph of the contrast. The screen
willalsoshowtheeffectsofthechange. Ifyou
reachthemaximumorminimumlevel, atone
sounds alerting you to the limits. The menu
will clear automatically after a few seconds or you can press the ON/
CLEAR key to clear the screen.
ASP (Advanced Signal Processing)
ASP is a program embedded in the X-45’s computer that is specifically
designed to eliminate noise. It continually monitors the signals from the
receiver,determineswhichechoesarenoiseandrejectsthem. Thisallows
true target echoes to display on the screen with a minimum of clutter. This
feature is especially useful since it typically lets you operate the boat at all
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speeds without adjusting the sensitivity or
other controls. When the X-45 is first turned
on, ASP is enabled. To turn ASP off, press
the menu key repeatedly until the ASP menu
appears. Now press the up arrow to turn it on
or the down arrow to turn it off. The menu will
clearautomaticallyafterafewsecondsoryou
can press the ON/CLEAR key to clear the
screen.
SIMULATOR
The X-45 has a simulator built into it that can
show a simulated bottom signal with fish. All
features of the X-45 work normally when the
simulator is in use. You can change the
range, zoom, and use the alarms as desired.
To use the simulator, press the menu key
repeatedly until the SONAR SIM menu ap-
pears. Now press the up arrow to turn it on.
Repeat the above steps to turn it off, or turn
the unit off and back on again.
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FISH ARCHES
Fish arches are created when the cone of sound passes over a fish.
The distance to a fish when the cone first strikes it is shown as "A"
below. When the center of the cone strikes the fish, the distance is
shorter as shown "B". As the cone leaves the fish, the distance in-
creases again as shown in "C".
When the Fish I.D. mode is off, the depth of the water will affect the size
and shape of the fish arch due to the cone angle diameter. For example,
if the cone passes over a fish in shallow water, the signal displayed on
the X-45 may not arch at all. This is due to the narrow cone diameter
and the resolution limitations of the display.
Very small fish probably will not arch at all. Medium sized fish will show
a partial arch, or a shape similar to an arch if they’re in deep water.
BOAT'S DIRECTION OF TRAVEL
A
C
B
A
C
B
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Large fish will arch, but turn the sensitivity up in deeper water to see the
arch. Because of water conditions, such as heavy surface clutter,
thermoclines, etc., the sensitivity sometimes cannot be increased
enough to get fish arches.
One of the best ways to get fish arches is to expand or “zoom” a
segment of the water. For example, from 45 to 60 feet. The smaller the
segment, the better the screen resolution will be. The easiest way to do
this on the X-45 is with the Zoom feature. This feature expands the
echoes, making it easier to see detail. For the best results, turn the
sensitivity up as high as possible without getting too much noise on the
screen. In medium to deep water, this method should work to display
fish arches.
If you see fish signals when the unit is in the manual mode, but don't get
fish symbols when Fish I.D. is on, try increasing the sensitivity.
WATER TEMPERATURE AND THERMOCLINES
Water temperature has an important-if not controlling-influence upon the
activities of all fish. Fish are cold blooded and their bodies are always
the temperature of the surrounding water. During the winter, colder
water slows down their metabolism. At this time, they need about a
fourth as much food as they consume in the summer.
Most fish don’t spawn unless the water temperature is within rather
narrow limits. The surface temperature meter built into the X-45 helps
identify the desired surface water spawning temperatures for various
species. Trout can’t survive in streams that get too warm. Bass and
other fish eventually die out when stocked in lakes that remain too cold
during the summer. While some fish have a wider temperature toler-
ance than others, each has a certain range within which it tries to stay.
Schooling fish suspended over deep water lie at the level that provides
this temperature. We assume they are the most comfortable here.
The temperature of water in the lake is seldom constant from top to
bottom. Layers of different temperatures form, and the junction of a
warm and cool layer of water is called a thermocline. The depth and
thickness of the thermocline can vary with the season or time of day. In
deep lakes there may be two or more at different depths. Thermoclines
are important to fishermen because they are areas where fish are active.
Many times bait fish will be above the thermocline while larger game fish
will suspend in or just below it.
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SURFACE LAYER
ABSORBS HEAT
FROM THE SUN
EPILIMNION
THERMOCLINE
MOST PRODUCTIVE
ZONE FOR FISHING
HYPOLIMNION
The X-45 can detect this invisible layer in the water, but Fish ID will have
to be off and the sensitivity will probably have to be turned up to see it.
TROUBLESHOOTING
If your unit is not working, or if you need technical help, please use the
following troubleshooting section before contacting the factory customer
service department. It may save you the trouble of returning your unit.
Unit won’t turn on:
1. Check the power cable’s connection at the unit. Also check the wiring.
2. Make certain the power cable is wired properly. The red wire connects
to the positive battery terminal, black to negative or ground.
3. Check the fuse.
4. Measurethebatteryvoltageattheunit’spowerconnector. Itshouldbe
at least 11 volts. If it isn’t, the wiring to the unit is defective, the battery
terminals or wiring on the terminals are corroded, or the battery needs
charging.
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Unit freezes, locks up, or operates erratically:
1. Electrical noise from the boat’s motor, trolling motor, or an accessory
maybeinterferingwiththesonarunit. Reroutingthepowerandtransducer
cables away from other electrical wiring on the boat may help. Route the
sonar unit’s power cable directly to the battery instead of through a fuse
block or ignition switch
2. Inspect the transducer cable for breaks, cuts, or pinched wires.
3. Check the transducer and power connector. Make certain it's securely
plugged in to the unit.
Weak bottom echo, digital readings erratic, or no fish signals:
1. Makecertaintransducerispointingstraightdown. Cleanthefaceofthe
transducer. Oil, dirt, and fuel can cause a film to form on the transducer,
reducing its effectiveness. If the transducer is mounted inside the hull, be
sureitisshootingthroughonlyonelayeroffiberglassandthatitissecurely
bonded to the hull. Do NOT use RTV silicone rubber adhesive or
MarinetexTM.
2. Electrical noise from the boat’s motor can interfere with the sonar. This
causes the sonar to automatically increase its Discrimination or noise
rejectionfeature. Thiscancausetheunittoeliminateweakersignalssuch
as fish or even structure from the display.
3. The water may be deeper than the sonar’s ability to find the bottom. If
the sonar can’t find the bottom signal while it’s in the automatic mode, the
digital will flash continuously. It may change the range to limits far greater
than the water you are in. If this happens, place the unit in the manual
mode, then change the range to a realistic one, (for example, 0-100 feet)
and increase the sensitivity. As you move into shallower water, a bottom
signal should appear.
4. Check the battery voltage. If the voltage drops, the unit’s transmitter
power also drops, reducing its ability to find the bottom or targets.
Bottom echo disappears at high speeds or erratic digital reading or
weak bottom echo while boat is moving
1. The transducer may be in turbulent water. It must be mounted in a
smooth flow of water in order for the sonar to work at all boat speeds. Air
bubbles in the water disrupt the sonar signals, interfering with its ability to
find the bottom or other targets. The technical term for this is ‘Cavitation’.
2. Electrical noise from the boat’s motor can interfere with the sonar. This
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causes the sonar to automatically increase its Discrimination or noise
rejectionfeature. Thiscancausetheunittoeliminateweakersignalssuch
as fish or even structure from the display. Try using resistor spark plugs
or routing the sonar unit’s power and transducer cables away from other
electrical wiring on the boat.
No fish arches when the Fish ID feature is off:
1. Make certain transducer is pointing straight down. This is the most
common problem if a partial arch is displayed. See the Fish Arch section
in your owner's manual for more information.
2. The sensitivity may not be high enough. In order for the unit to display
afisharch, ithastobeabletoreceivethefish’sechofromthetimeitenters
theconeuntilitleaves. Ifthesensitivityisnothighenough,theunitdisplays
the fish only when it is in the center of the cone.
3. Use the Zoom feature. It is much easier to display fish arches when
zoomed in on a small range of water than a large one. For example, you
willhavemuchbetterluckseeingfisharcheswitha30to60footrangethan
a0to60footrange. Thisenlargesthetargets,allowingthedisplaytoshow
much more detail.
4. The boat must be moving at a slow trolling speed to see fish arches. If
the boat is motionless, fish stay in the cone, showing on the display as
straight horizontal lines.
ELECTRICAL NOISE
A major cause of sonar problems is electrical noise. This usually appears
onthesonar’sdisplayasrandompatternsofdotsorlines. Inseverecases,
it can completely cover the screen with black dots, or cause the unit
operate erratically, or not at all.
Toeliminateorminimizetheeffectsofelectricalnoise,firsttrytodetermine
the cause. With the boat at rest in the water, the first thing you should do
is turn all electrical equipment on the boat off. Make certain the engine is
off, also. Turn your X-45 on, then turn off ASP (Advanced Signal
Processing). There should be a steady bottom signal on the display. Now
turn on each piece of electrical equipment on the boat and view the effect
on the sonar’s display. For example, turn on the bilge pump and view the
sonar display for noise. If no noise is present, turn the pump off, then turn
ontheVHFradioandtransmit. Keepdoingthisuntilallelectricalequipment
hasbeenturnedon,theireffectonthesonardisplaynoted,thenturnedoff.
If you find noise interference from an electrical instrument, trolling motor,
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pump,orradio,trytoisolatetheproblem. Youcanusuallyreroutethesonar
unit’s power cable and transducer cable away from the wiring that is
causing the interference. VHF radio antenna cables radiate noise when
transmitting, sobecertaintokeepthesonar’swiresawayfromit. Youmay
need to route the sonar unit’s power cable directly to the battery to isolate
it from other wiring on the boat.
Ifnonoisedisplaysonthesonarunitfromelectricalequipment, thenmake
certaineverythingexceptthesonarunitisturnedoff, thenstarttheengine.
Increase the RPM with the gearshift in neutral. If noise appears on the
display, the problem could be one of three things; spark plugs, alternator,
or tachometer wiring. Try using resistor spark plugs, alternator filters, or
routing the sonar unit’s power cable away from engine wiring. Again,
routing the power cable directly to the battery helps eliminate noise
problems. Make certain to use the in-line fuse supplied with the unit
when wiring the power cable to the battery!
When no noise appears on the sonar unit after all of the above tests, then
the noise source is probably cavitation. Many novices or persons with
limitedexperiencemakehastysonarinstallationswhichfunctionperfectly
in shallow water, or when the boat is at rest. In nearly all cases, the cause
of the malfunction will be the location and/or angle of the transducer. The
face of the transducer must be placed in a location that has a smooth flow
of water at all boat speeds. Read your transducer owner’s manual for the
best mounting position.
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LOWRANCE ELECTRONICS
FULL ONE-YEAR WARRANTY
“We", “our”, or “us” refers to LOWRANCE ELECTRONICS, INC., the manu-
facturer of this product. “You” or “your” refers to the first person who
purchases this product as a consumer item for personal, family, or house-
hold use.
We warrant this product against defects or malfunctions in materials and workmanship, and
against failure to conform to this product’s written specifications, all for one year (1) from the
date of original purchase by you. WE MAKE NO OTHER EXPRESS WARRANTY OR
REPRESENTATION OF ANY KIND WHATSOEVER CONCERNING THIS PRODUCT.
Your remedies under this warranty will be available so long as you can show in a reasonable
manner that any defect or malfunction in materials or workmanship, or any non-conformity
with the product’s written specifications, occurred within one year from the date of your
original purchase, which must be substantiated by a dated sales receipt or sales slip. Any
such defect, malfunction, or non-conformity which occurs within one year from your original
purchase date will either be repaired without charge or be replaced with a new product
identicalorreasonablyequivalenttothisproduct, atouroption, withinareasonabletimeafter
our receipt of the product. If such defect, malfunction, or non-conformity remains after a
reasonable number of attempts to repair by us, you may elect to obtain without charge a
replacement of the product or a refund for the product. THIS REPAIR, REPLACEMENT, OR
REFUND (AS JUST DESCRIBED) IS THE EXCLUSIVE REMEDY AVAILABLE TO YOU
AGAINST US FOR ANY DEFECT, MALFUNCTION, OR NON-CONFORMITY CONCERN-
ING THE PRODUCT OR FOR ANY LOSS OR DAMAGE RESULTING FROM ANY OTHER
CAUSE WHATSOEVER. WE WILL NOT UNDER ANY CIRCUMSTANCES BE LIABLE
TO ANYONE FOR ANY SPECIAL, CONSEQUENTIAL, INCIDENTAL, OR OTHER INDI-
RECT DAMAGE OF ANY KIND.
Some states do not allow the exclusion or limitation of incidental or consequential damages,
so the above limitations or exclusions may not apply to you.
This warranty does NOT apply in the following circumstances: (1) when the product has
been serviced or repaired by anyone other than us, (2) when the product has been
connected, installed, combined, altered, adjusted, or handled in a manner other than
according to the instructions furnished with the product, (3) when any serial number has
been effaced, altered, or removed, or (4) when any defect, problem, loss, or damage has
resulted from any accident, misuse, negligence, or carelessness, or from any failure to
provide reasonable and necessary maintenance in accordance with the instructions of the
owner’s manual for the product.
We reserve the right to make changes or improvements in our products from time to time
without incurring the obligation to install such improvements or changes on equipment or
items previously manufactured.
This warranty gives you specific legal rights and you may also have other rights which may
vary from state to state.
REMINDER: You must retain the sales slip or sales receipt proving the date of your original
purchase in case warranty service is ever required.
LOWRANCE ELECTRONICS
12000 E. SKELLY DRIVE TULSA, OK 74128
(800) 324-1356
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NOTICE!
Please check the items in the box against this list. You should have all of the
items shown on this page. If you are missing any of the items, please call our
special toll-free number:
1-800-324-1353
A RECORDED MESSAGE will request the following information. Please have
it ready before you call.
1. Your name, shipping address, and telephone number.
2. The part that's missing.
3. The model, serial number, and DATE AND PLACE OF PURCHASE OF
YOUR UNIT.
4. The best time of day to call you if we have questions.
Provided that all of the requested information is recorded and approved by our
Customer Service Department, the missing item(s) will be shipped directly to
you free of charge.
DISPLAY UNIT
RUBBER WASHER
GIMBAL KNOB
RUBBER WASHER
GIMBAL KNOB
GIMBAL BRACKET
TRANSDUCER,
BRACKET,
AND
HARDWARE
FUSE
POWER CABLE
FUSE HOLDER
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How to Obtain Service
(Canadian Customers Only)
We back your investment in quality products with quick, expert service and genuine
Lowrance replacement parts. If you need service or repairs, contact the Lowrance
Factory Customer Service Department at the toll-free number listed below. A technician
may be able to solve the problem and save you the inconvenience of returning your unit.
You will be asked for your unit's serial number.
800-324-1356
Canada Only. Monday through Friday 8:00 A.M. - 8:00 P.M. Central Time.
How to Obtain Service
(International Customers Only)
If you need service or repairs, contact the dealer in the country you purchased your unit.
WARRANTY REPAIR WILL BE HONORED ONLY IN THE COUNTRY
UNIT WAS PURCHASED.
Please follow the shipping instructions shown below on this page if you have to mail your
unit to the dealer. For proper testing, repair, and service, send a brief note with the product
describing the problem. Be sure to include your name, return shipping address, and a
daytime telephone number.
Shipping Information
When sending a product for repair, please do the following:
1. Always use the original shipping container and filler material the product was packed
in when shipping your product.
2 Always insure the parcel against damage or loss during shipment. Lowrance does not
assume responsiblity for goods lost or damaged in transit.
3. For proper testing, repair, and service, send a brief note with the product describing the
problem. Be sure to include your name, return shipping address, and a daytime
telephone number.
Accessory Ordering Information
To order accessories such as power cables or transducers, please contact:
1. Your local marine dealer. Most quality dealers that handle marine electronic
equipment should be able to assist you with these items. Consult your local telephone
directory for listings.
2. Canadian customers only can write:
Lowrance/Eagle Canada, 919 Matheson Blvd., E. Mississauga, Ontario L4W2R7
or fax 416-629-3118
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How to Obtain Service
Webackyourinvestmentinqualityproductswithquick,expertserviceand
genuine Lowrance® replacement parts. If you're in the United States and
youhavequestions,pleasecontacttheFactoryCustomerServiceDepart-
ment using our toll-free number listed below. You must send the unit to
the factory for warranty service or repair. Please call the factory before
sending the unit. You will be asked for your unit's serial number. Use the
following toll-free number:
800-324-1356
Your unit is covered by a full one-year warranty. (See inside for complete
warranty details.) If your unit fails and the failure is not covered by the
original warranty, Lowrance has a flat-rate repair policy that covers your
unitandaccessoriespackedwiththeunitatthefactory.Thereisa180-day
warrantyonallnon-warrantyrepairsfromthefactory,whichissimilartothe
original warranty, but is for 180 days rather than one year. For further
details, please call us at the above number.
Shipping Information
When sending a product for repair, please do the following:
1. Always use the original shipping container and filler material the product was packed in
when shipping your product.
2 Always insure the parcel against damage or loss during shipment. Lowrance does not
assume responsiblity for goods lost or damaged in transit.
3. For proper testing, repair, and service, send a brief note with the product describing the
problem. Be sure to include your name, return shipping address, and a daytime
telephone number.
Lowrance Electronics may find it necessary to change or end our shipping policies,
regulations, and special offers at any time. We reserve the right to do so without notice.
Accessory Ordering Information
To order accessories such as power cables or transducers, please contact:
1) Your local marine dealer. Most quality dealers that handle marine
electronic equipment should be able to assist you with these items.
Consult your local telephone directory for listings.
2) LEI Extras, Inc. P.O. Box 129 Catoosa, OK 74015-0129
or call
800-324-0045
(USA orders only.)
LITHO IN U.S.A.
988-0105-54
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