Lowrance electronic GPS Receiver LCX 15MT User Manual
TM  
LCX-15MT  
INSTALLATION AND  
OPERATION INSTRUCTIONS  
WWW.LOWRANCE.COM  
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This device complies with Part 15 of the FCC Rules. Operation is subject  
to the following two conditions: (1) this device may not cause harmful  
interference, and (2) this device must accept any interference received,  
including interference that may cause undesired operation.  
Note:  
This equipment has been tested and found to comply with the limits for a  
Class B digital device, pursuant to Part 15 of the FCC Rules.These limits  
are designed to provide reasonable protection against harmful interfer-  
ence in a residential installation.This equipment generates, uses and can  
radiate radio frequency energy and, if not installed and used in accor-  
dance with the instructions, may cause harmful interference to radio com-  
munications. However, there is no guarantee that interference will not oc-  
cur in a particular installation. If this equipment does cause harmful inter-  
ference to radio or television reception, which can be determined by turn-  
ing the equipment off and on, the user is encouraged to try to correct the  
interference by one or more of the following measures:  
• Reorient or relocate the receiving antenna.  
• Increase the separation between the equipment and receiver.  
• Connect the equipment into an outlet on a circuit different from that to  
which the receiver is connected.  
• Consult the factory customer service department for help.  
SPECIFICATIONS  
Dimensions (on bracket) ........................ 9.6” W x 7.3” H x 3.7” D  
Input Voltage .......................................... 10 - 15 vDC, 12-volt Nominal  
Transmitter Frequency ........................... 200 kHz and 50 kHz  
Maximum Output Power  
200 kHz - 500 watts (RMS)  
50 kHz - 1,000 watts (RMS)  
Display ................................................... 6.54” diagonal  
Monochrome Transflective  
350 pixel H x 480 pixel W  
Operating and Storage Temperature ...... -4 to +167 degrees Fahrenheit  
-20 to +75 degrees Celsius  
Waypiont ................................................ 750  
Routes.................................................... 100  
Icons ...................................................... 1000  
NMEA 2.0 GPS Sentences .................... GLL, GGA, APB, RMB, RMC,  
GSA, GSV  
NMEA 2.0 Sonar Sentences .................. DBT, DPT, MTW, VLW, VHW  
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Table of Contents  
INTRODUCTION ................................................ 1  
GPS OPERATION ............................................ 28  
Introduction to GPS ...................................... 28  
Finding Your Position..................................... 30  
Auto Search ............................................ 30  
Manual Initialization................................. 30  
Position Acquisition ................................. 31  
Require DGPS ........................................ 32  
PAGES .................................................... 32  
Status Screen .................................... 32  
Customizing the Status Screen ......... 33  
Navigation Screen ................................... 33  
Customizing the Navigation Screen .. 34  
Map ....................................................... 34  
Full Map ............................................. 35  
Digital Data ........................................ 35  
Two Position Formats ........................ 36  
Two Maps .......................................... 36  
Map with Sonar ................................. 36  
Cursor ................................................ 36  
Cursor Distance ............................. 37  
ACCESSORIES ................................................. 1  
TRANSDUCERS ................................................ 1  
INSTALLATION ................................................... 2  
Mounting ......................................................... 2  
Power Connections ......................................... 3  
NMEA/DGPS Wiring ....................................... 4  
Accessory Connections .................................. 5  
Speed/Temperature Sensor ...................... 5  
MMC ................................................................... 7  
KEYBOARD........................................................ 8  
SONAR OPERATION ......................................... 9  
Pages .............................................................. 9  
Full Sonar Chart ........................................ 9  
Split Zoom Chart ....................................... 9  
Split Frequency Sorna Chart .................... 9  
Digital/Chart ............................................ 10  
Customizing the Digital/Chart Screen .... 11  
Menus ........................................................... 11  
Sonar Options ............................................... 12  
Sensitivity ................................................ 12  
Automatic Sensitivity ............................... 12  
Map Orientation....................................... 37  
Auto Zoom ............................................... 39  
Range Rings/Grid Lines .......................... 39  
Map Data ................................................. 39  
Map Categories Drawn ........................... 40  
Icons ....................................................... 40  
Plot Trail ................................................... 41  
Edit Trail ............................................. 42  
Navigate a Trail .................................. 42  
Trail Options ....................................... 44  
New Trail ........................................ 44  
Grayline®  
..................................................................................  
13  
Range - Automatic .................................. 13  
Manual ............................................... 14  
Range - Upper/Lower Limits ................... 14  
Zoom ....................................................... 15  
Chart Stop ............................................... 15  
Chart Speed ............................................ 15  
Depth Cursor ........................................... 15  
Chart Data ............................................... 16  
Sonar Features ....................................... 16  
Transducer Frequency ....................... 17  
Surface Clarity ................................... 17  
Noise Rejection ................................. 17  
Fish Symbols/Fish Depths ................ 18  
Log Sonar Chart Data ............................. 19  
Display Settings ...................................... 19  
Contrast/Backlight/Display Mode ...... 19  
Audio ....................................................... 20  
Alarms ..................................................... 20  
Depth Alarms..................................... 21  
Zone Alarm ........................................ 21  
Fish Alarm ......................................... 22  
Sonar Setup ............................................ 22  
Transducer Type ................................ 22  
Keel Offset ......................................... 23  
Calibrate Speed ................................. 23  
Reset Water Distance ........................ 23  
Sonar Simulator ................................. 24  
System Setup .......................................... 24  
Units of Measure ............................... 24  
Set Local Time ................................... 25  
Communication Ports ........................ 25  
Configure DGPS................................ 26  
Configure NMEA ............................... 26  
Reset Options .................................... 26  
Popup Help ........................................ 27  
Hide GPS Features ........................... 27  
Software Information ......................... 27  
Sun/Moon Calculator .............................. 27  
Delete All Trails .............................. 44  
Waypoints ................................................ 45  
Saving Present Position .................... 45  
Saving Cursor Position ...................... 45  
Saving a New Position....................... 46  
Edit Waypoint ................................. 46  
Average Position ............................ 47  
Waypoint Information ......................... 47  
Waypoint Navigation .......................... 48  
Navigate to Cursor ......................... 48  
Navigate to Waypoint using Map ... 48  
Man Overboard ....................................... 49  
Cancel Navigation ................................... 50  
Routes ..................................................... 50  
Create a Route .................................. 51  
Follow a Route ................................... 53  
GPS Simulator ........................................ 53  
GPS Setup .............................................. 54  
Coordinate System ............................ 54  
Map Fix .............................................. 55  
Datum ................................................ 56  
Position Pinning ................................. 57  
GPS Alarms ............................................ 58  
Sonar Troubleshooting ...................................... 59  
Warranty Information ........................................ 62  
Datum List ....................................................... 63  
Database License Agreement .......................... 66  
Database Limited Warranty .............................. 67  
Saving and Replaying a Sonar Record ............ 68  
Transferring GPS Data to/from a MMC ............ 69  
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INTRODUCTION  
Thank you for purchasing a Lowrance product. No other combination so-  
nar/GPS receiver has the features of the LCX-15MT. Countless hours  
went into the design of this product. We hope that you enjoy using it as  
much as we have.  
The LCX-15MT is sold with many different accessories. Some are packed  
with a GPS receiver, MMC, and mapping CD-ROM. Others are sold only  
with a transducer. Many may come with different combinations of acces-  
sories.  
Please note that you may need to purchase accessories in order to use  
all of the features of this product that are described in this manual. A list  
of the accessories and transducers is shown below.  
ACCESSORIES  
Model  
Part #  
Gimbal Knobs ........................................ GK-9............................ 101-80  
Gimbal Bracket........................................GB-12 ......................... 101-78  
Power Cable ............................................PC-21X ......................... 99-56  
Protective Cover......................................CVR-1 ......................... 101-82  
Sun Shade ..............................................SS-1............................ 101-83  
MMC Drawer ...........................................MMCD-1 ..................... 101-84  
MMC Interface.........................................MMCI .......................... 101-85  
Cigarette Adapter Cable..........................CA-4 ............................. 99-59  
Power Connector Repair Kit....................TC-4X ......................... 101-86  
MMC Card 8MB ......................................MMC-8 ........................ 101-87  
MMC Card 16MB ....................................MMC-16 ...................... 101-88  
Transducer Extension Cable (12') ...........XT-12 ............................ 99-57  
Transducer Extension Cable (20') ...........XT-20X .......................... 99-58  
Speed/Temp Y-adapter Cable..................MY-4X ........................... 99-53  
Speed/Temp Sensor w/ MY-4X ...............ST-TX............................ 99-54  
Temp Sensor 1 w/ MY-4X ........................TS-1X ........................... 99-50  
Temp Sensor 2 ........................................TS-2X ........................... 99-51  
Temp Sensor 3 ........................................TS-3X ........................... 99-52  
Transducers  
Model  
Part #  
200 kHz “Skimmer” .................... HS-WSDX .................... 106-22  
High Speed Transom  
mount w/temp sensor  
200 kHz “Pod” Transducer ..........PD-WDXT ..................... 106-26  
w/temp sensor for trolling  
motor application  
1
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Transducers (cont.)  
Model  
Part #  
200 kHz “Pod” Transducer ..........PD-WDX ....................... 106-27  
w/o temp for shoot-thru hull  
50/200 kHz Dual Freq. ...............HS-50/200-DX ..............106-23  
“Skimmer” High Speed  
Transom mount with  
temp sensor  
50/200 kHz Dual Freq. ...............THST-50/200-DX .......... 106-29  
Bronze thru-hull mount  
w/temp and speed sensor  
INSTALLATION  
Bracket  
Install the unit in any convenient location, provided there is clearance  
behind it when it is tilted for the best viewing angle. Holes in the bracket  
base allow wood screw or through-bolt mounting. Make certain there is  
enough room behind the unit to attach the power and other cables.  
9.6”  
3.7”  
7.3”  
2.3”  
Once the best location is determined, use the bracket as a template and  
mark the mounting holes and the hole for the cables. Drill a 1.0" hole for  
the cables. Screw the bracket to the mounting surface.  
IMPORTANT!  
In order to pass all connectors through the 1" hole in the bracket and  
dash, first pass the transducer connector up through the hole, then any  
accessory cables. Next, pass the power cable down through the hole. Fill  
the hole with a marine sealant.You can now wire the power cable.  
2
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Power Connections  
This unit operates from a 12-volt battery system. For the best results,  
connect the power cable to the in-line fuse holder and attach it directly to  
the battery. The power cable can be attached to an accessory or power  
buss, however there could be problems with electrical interference using  
this method. Therefore, it’s better from a noise standpoint to attach the  
power cable and fuse holder directly to a battery. If the cable is not long  
enough, splice 16-gauge wire onto it.  
The power connector has two cables attached to it. One cable has the  
power and ground wires, the other is for the NMEA/DGPS interface. See  
below for NMEA/DGPS wiring instructions.The power cable has two wires  
- red and black. The black wire connects to the battery’s negative termi-  
nal.The red wire is the positive wire.Connect it to the fuse holder supplied  
with the unit. Connect the other end of the fuse holder to the positive side  
of the battery. Make certain to attach the fuse holder directly to the bat-  
tery. This will protect the both cable and the unit in case there is a short  
circuit. Use a 6-amp fuse.  
TO POWER  
CONNECTOR  
POWER  
CABLE  
YELLOW  
RED  
WIRE  
SHIELD  
ORANGE  
6-AMP  
FUSE  
BLUE  
BLACK  
WIRE  
12-VOLT  
BATTERY  
IMPORTANT!  
Do not use this product without a 6-amp fuse connected to the power  
cable! Failure to use a fuse will void your warranty.  
3
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To prevent electrical interference, route the power, transducer, and GPS  
cables away from other wiring, especially the engine’s wiring harness.  
VHF radio antenna cables radiate noise when transmitting, so be certain  
to keep the unit’s wires away from it, also.  
NMEA/DGPS  
NMEA is a standard communications format for marine electronic equip-  
ment. For example, an autopilot can connect to the NMEA interface on  
the LCX-15MT and receive positioning information.  
DGPS is an acronym for Differential Global Positioning System.The most  
popular DGPS system relies on a grid of ground-based transmitters that  
send correction signals to DGPS receivers. These in turn, connect to the  
GPS receiver (such as the LCX-15MT with the LGC-12S GPS module).  
This gives more accurate positions than is otherwise possible.  
NMEA/DGPS Wiring  
The LCX-15MT has two NMEA 0183 version 2.0 ports. Com port one can  
be used for either NMEA or DGPS, Com port two is for NMEA output only.  
Comunications port one uses the yellow wire wire for transmit, the orange  
wire for receive. Comunications port two uses the blue wire for transmit.  
Both ports use the shield wire for signal ground.  
See the diagrams below for general wiring connections. Read your other  
product’s owner’s manual for more wiring information.  
RECEIVE  
TRANSMIT  
GROUND  
YELLOW (TRANSMIT)  
ORANGE (RECEIVE)  
SHIELD (GROUND)  
COM-1  
LCX-15MT  
TO BEACON  
RECEIVER  
BLUE(TRANSMIT)  
SHIELD (GROUND)  
RECEIVE  
GROUND  
COM-2  
LCX-15MT  
TO OTHER  
DEVICE  
4
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ORANGE (RECEIVE)  
SHIELD (GROUND)  
NMEA TRANSMIT  
GROUND  
COM-1  
LCX-15MT  
FROM GPS  
RECEIVER  
The LCX-15MT can accept position information from any GPS receiver  
that transmits NMEA 0183 data. Use the wiring diagram shown above  
for NMEA input to the LCX-15MT.  
See page 25 and 26 for NMEA and DGPS com port setup instructions.  
Accessory Connections  
The rear of this unit has three connectors: Power/Data, GPS, and Trans-  
ducer.The power cable connects to the Power/Data connector, the cable  
from the GPS module goes to the GPS connector, and the transducer  
plugs into the Transducer connector.  
LOWRANCE  
PWR/DATA  
GPS MODULE  
TRANSDUCER  
Speed/Temperature Connections  
This unit can use a speed sensor in addition to up to three temperature  
sensors.  
All transom-mount “Skimmer” transducers have a temperature sensor built  
into them. To add another temperature sensor besides the one in the  
transducer requires a MY-4X “Y” adapter cable and a TS-2X temperature  
sensor. The transducer plugs into one end of the MY-4X, the TS-2X tem-  
perature sensor plugs into another, and the last end plugs into the SO-  
NAR port. The TS-2X temperature sensor has an extra connector for a  
TS-3X temperature sensor. This lets you have three temperature sen-  
sors, if desired.  
Note: Do not combine the temperature sensors in any order other than  
shown on the next page. For example, do not use two TS-3X temperature  
sensors in place of one TS-2X and one TS-3X sensors. Each sensor is  
programmed to work only on the channel it’s designed for.  
5
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Temperature and Speed/Temperature Installation Examples  
X-15MT  
X-15MT  
Sonar Connector  
Sonar Connector  
“Y” Adapter Cable  
(Packed with Speed/Temp Sensor)  
To  
To  
Transducer  
Transducer  
Temperature Sensor  
Speed/Temp Sensor  
To  
To  
Additional  
Temp.  
Sensors  
(if needed)  
Additional  
Temp. or  
Speed  
Sensors  
(if needed)  
6
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MMC  
This unit can use up to two MMC (MultiMediaCard) cartridges.They store  
the maps, waypoint and route information, sonar data, and more.  
To install a MMC cartridge, twist the drawer retainer counter-clockwise  
and pull. The drawer will come out of the unit. Place the MMC cartridge  
FACE DOWN. (see above) Slide the drawer back into the unit and twist  
the retainer clockwise. The MMC is now ready for use.  
For more information on saving and recalling sonar data to the MMC, see  
page 68.  
Map storage requires the MapCreate™ software and a MMC Interface. If  
your unit did not come with these, they are available for purchase sepa-  
rately.  
You can also store plot trails, icons, waypoints, and routes on a MMC. See  
page 69 for more information.  
7
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KEYBOARD  
The keyboard has keys arranged in two vertical columns beneath the  
arrow keys. The menu key near the bottom left corner of the keyboard  
activates the first menu page. The other keys are used to zoom the dis-  
play, change modes, and other functions.  
ZOUT/ZIN - These keys “zoom” the map or the  
sonar screen in and out.  
PAGES - This key switches the unit between dif-  
ferent sonar or GPS modes.  
WPT - Saves and recalls waypoints.  
MENU - Press this key to show the menus and  
gain access to most functions.  
EXIT - Clears menus and entries.  
ENT/ICONS - Used to select entries and accept  
menu selections. When a menu is not showing,  
pressing this key activates the ICON menu.  
PWR/LIGHT - Turns the unit on and off. When  
the unit is on, pressing this key turns the back-  
lights on or off.  
Note: Pressing the PWR/LIGHT key repeatedly changes the backlight  
level. There are three levels available.  
8
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SONAR OPERATION  
PAGES  
Turn the unit on by pressing the  
PWR/LIGHT key. If the sonar  
screen is not showing, press the  
PAGES key.A menu similar to the  
one at right appears. Press the  
left or right arrow key to highlight  
the Sonar label. This gives you  
four selections:Full Sonar Chart,  
Split Zoom Sonar Chart, Split  
(Dual) Frequency Sonar Chart, or  
Digital Data only. Once the de-  
sired menu is selected, press the EXIT key to erase the menus.  
Full Sonar Chart  
This is the default mode used  
when the unit is turned on for the  
first time or when it’s reset to the  
factory defaults. The bottom sig-  
nal scrolls across the screen from  
right to left. Depth scales on the  
right side of the screen aid in de-  
termining the depth of targets.  
The line at the top of the screen  
represents the surface.The bot-  
tom depth and surface tempera-  
ture (if equipped with a temperature sensor) show at the top left corner of  
the screen. The FasTrak™ display shows just to the right of the scale.  
This changes all echoes into short horizontal bars, replicating a flasher  
sonar. The zoom bar on the far right shows the area that’s zoomed when  
the zoom is in use. (See the Zoom section for more information.) The  
frequency of the transducer in use shows at the bottom of the screen.  
9
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Split Zoom Sonar Chart  
A split chart shows the underwa-  
ter world from the surface to the  
bottom on the right side of the  
screen. The left side shows an  
enlarged version of the right side.  
The zoom range shows at the  
bottom left corner of the screen.  
In this example, the zoom range  
is 2X, or two times the right side’s  
view.  
Split Frequency Sonar Chart  
This chart shows sonar data from  
the 50 kHz transducer element (if  
equipped) on the left side of the  
screen, and data from the 200  
kHz transducer element on the  
right. All features are the same  
as the Full Sonar Chart.  
Digital/Chart  
This mode shows the chart on the  
right side of the screen. The left  
side has seven large digital boxes  
containing theWater Depth at the  
top of the screen, (with the shal-  
low and deep alarm settings im-  
mediately beneath the depth)  
Water Speed (from an optional  
speed sensor), Water Distance  
(distance travelled or log) also re-  
quires a speed sensor. Surface  
Water Temperature, Temperature #2, Temperature #3, and input voltage.  
(Note: Temperature #2 and #3 require additional temperature sensors.)  
10  
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Customizing the Digital/Chart Screen  
The Digital/Chart screen can be  
customized to show different digi-  
tal data than the defaults shown  
on the screen at the bottom of  
page 8.To customize this screen,  
press the MENU key while the  
Digital/Chart screen is showing.  
Scroll down to the bottom of this  
menu to the Customize label and  
select it. The Water Speed bar  
flashes, signifying that the win-  
dow can be changed. Press the  
ENT key to show a menu of available options. Choose the data that you  
want shown at this location, then press the ENT key to select it.To change  
another, simply press the down arrow key. The ID bar will flash on the  
selected box. Repeat the above steps until you’re finished customizing.  
Press the EXIT key to stop the bar from flashing.  
MENUS  
This unit uses menus extensively  
to guide you through its functions  
and features. To use the menus,  
press the MENU key.  
(Note: There are two “layers” of  
menus. Pressing the MENU key  
once brings up the first set of  
menus, pressing the menu key  
again brings up the second set.)  
Use the arrow keys to navigate through the menus. Generally, to make a  
selection from a menu, highlight the desired item with the arrow keys,  
then press the ENT (enter) key. The EXIT key erases the menus.  
Note: There is a mode that splits the screen in half, with the map on the  
left and the sonar on the right. This screen can be found in the Map/Map  
With Sonar page. When this screen is activated, you will have to specify  
which side the menu key corresponds to.To do this, press the PAGES key  
twice while the Map With Sonar screen is showing. The black bar at the  
top of the screen will begin flashing above either the map or the sonar.  
Use the arrow key to select the side that you wish to assign the MENU  
key to. Press the EXIT key when you’re finished. To reassign the menu  
key, repeat the above steps.  
11  
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SONAR OPTIONS  
Sensitivity  
The sensitivity controls the ability of the unit to pick up echoes. A low  
sensitivity level excludes much of the bottom information, fish signals,  
and other target information. High sensitivity levels let you see this detail,  
but it can also clutter the screen with many undesired signals. Typically,  
the best sensitivity level shows a good solid bottom signal with Grayline  
and some surface clutter.  
The sensitivity is adjusted to keep a solid bottom signal displayed, plus a  
little more when the unit is in the automatic mode. This gives it the capa-  
bility to show fish and other detail.  
However, situations occur where it becomes necessary to increase or  
decrease the sensitivity. This typically happens when you wish to see  
more detail, so an increase in sensitivity is indicated. The procedure to  
adjust it is the same whether the unit is in the automatic or manual mode.  
To adjust the sensitivity, press the  
MENU key, then select “Sensitiv-  
ity”. The screen at right appears.  
The sensitivity control has a ver-  
tical adjustment bar.The number  
at the bottom of the bar shows  
the percentage of sensitivity in  
use.  
To increase the sensitivity level,  
press the up arrow key. As you  
press the key, the control knob  
will move upward and the percentage will increase in value.You can also  
see the difference on the chart record as it scrolls.When the sensitivity is  
at the desired level, release the key.  
To decrease the sensitivity level, press the down arrow key. The control  
knob will move downward and the percentage will decrease. When the  
sensitivity is at the desired level, release the key. When you reach either  
the maximum or minimum limit, a tone sounds.  
To erase the menu, press the EXIT key.  
Automatic Sensitivity  
The unit can adjust the sensitivity for you. It bases the sensitivity level on  
water depth and conditions. To turn this on, press the MENU key, then  
12  
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select “Auto Sensitivity” and press the ENT key. To turn it off, repeat the  
above steps. Press the EXIT key to erase the menu.  
GRAYLINE®  
GRAYLINE lets you distinguish between strong and weak echoes.It “paints”  
gray on targets that are stronger than a preset value. This allows you to  
tell the difference between a hard and soft bottom. For example, a soft,  
muddy or weedy bottom returns a weaker signal which is shown with a  
narrow or no gray line.A hard bottom returns a strong signal which causes  
a wide gray line.  
If you have two signals of equal  
size, one with gray and the other  
without, then the target with gray  
is the stronger signal. This helps  
distinguish weeds from trees on  
the bottom, or fish from structure.  
GRAYLINE is adjustable. Since  
GRAYLINE shows the difference  
between strong and weak sig-  
nals, adjusting the sensitivity may  
require a different GRAYLINE level, also. The level chosen by the unit at  
power on is usually adequate for most conditions. Experiment with your  
unit to find the GRAYLINE setting that’s best for you.  
To adjust the GRAYLINE level, press the MENU key, then select “Grayline”.  
The screen above appears. Use the up or down arrow keys to adjust the  
gray level. You can see the change on the chart record as you press the  
keys. After you’ve finished, press the EXIT key to erase the menu.  
RANGE - Automatic  
When turned on for the first time,  
the bottom signal is automatically  
placed in the lower half of the  
screen.This is called Auto Rang-  
ing and is part of the automatic  
function. However, depending  
upon the bottom depth and the  
current range, you can change  
the range to a different depth. To  
do this, press the MENU key, then  
select“Depth Range”.The screen  
at right appears. Press the up or down arrow keys to select a different  
13  
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range that’s highlighted. The range numbers that are gray cannot be se-  
lected. When you’re finished, press the EXIT key to erase the menu.  
RANGE - Manual  
You have complete control over the range when the unit is in the manual  
mode.  
To change the range, first turn the automatic depth range off by pressing  
the MENU key, then selecting “Auto Depth Range”, then press the ENT  
key to turn it off. Next, select “Depth Range”. Press the up or down arrow  
keys to select a different range.The available ranges are 0-10, 20, 30, 40,  
60, 100, 150, 200, 300, 500, 800, 1000, 1500, 2000, and 3000 feet. After  
selecting the range, press the EXIT key to erase the range menu.  
NOTE: The sonar’s depth capability depends on the transducer installa-  
tion, water and bottom conditions, and other factors.  
RANGE - Upper and Lower Limits  
Virtually any segment of the water can be displayed by using the upper  
and lower limit feature. This lets you pick the shallow and deep range  
limits that are shown on the screen, provided there is at least ten feet  
between the upper and lower limit. For example, a range from 12 feet to  
34 feet.  
To change the upper and lower  
limits, press the MENU key, then  
select “Upper and Lower Limits”.  
A screen similar to the one at right  
appears. Upper Limit is high-  
lighted.To select it, press the ENT  
key. To select the lower limit,  
press the down arrow key to high-  
light it, then press the ENT key.  
Once a limit window is selected,  
the range inside the window  
changes to zeros. Use the arrow keys to both select and change the num-  
bers in the window. Press the ENT key to accept the change. Press the  
EXIT key when you’re finished. The Upper and Lower Limit menu erases  
and the unit begins scrolling echoes across the screen using the new  
range values.  
Changing the upper and lower limits gives you far greater control over the  
range. This feature lets you “zoom” the display in virtually unlimited com-  
binations. Virtually any segment of the water, from the surface to the bot-  
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tom can be shown, which enlarges targets to best suit your fishing needs  
and water conditions.  
ZOOM  
“Zooming” the display is a com-  
mon method used to enlarge  
small detail, fish signals, and the  
bottom with its asscociated struc-  
ture. This unit lets you zoom the  
display quickly and easily by  
pressing the ZIN key. Pressing it  
once doubles the size (2X) of all  
echoes on the screen. Pressing  
it again quadruples the size of the  
echoes (4X).The zoom bar on the  
far right side of the screen shows which echoes will be displayed on the  
screen when the ZIN key is pressed. For example, pressing the ZIN key  
once will enable a 2X zoom which will show all echoes that are between  
the top and bottom of the 2X zoom bar. Pressing the key again will give a  
4X zoom and only the echoes between the top and bottom of the 4X bar  
will show on the screen.  
Press the ZOUT key to return the display to the normal mode.  
STOP CHART  
To temporarily stop the chart from scrolling, press the MENU key, then  
select “Stop Chart” from the menu and press the ENT key. Repeat these  
steps to start the chart again.  
CHART SPEED  
The rate that echoes scroll  
across the screen is called the  
chart speed. It’s adjustable by  
pressing the MENU key, then se-  
lecting “Chart Speed”. A sliding  
knob adjustment appears on the  
screen.The default is maximum.  
Press the up or down arrow key  
to adjust the speed, then press  
the EXIT key to erase the menu.  
DEPTH CURSOR  
The depth cursor consists of a horizontal line with a digital depth box on  
the right side. The numbers inside the box show the depth of the cursor.  
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The cursor can be moved to any  
location on the screen, letting you  
pinpoint the depth of a target.  
To show the depth cursor, press  
the MENU key, then select“Depth  
Cursor”. Press the ENT key. The  
cursor appears at the top of the  
screen. Use the arrow keys to  
move the cursor to the desired  
depth.  
Erase the depth cursor by pressing the EXIT key.  
CHART DATA  
The digital information shown in  
the upper left corner of the dis-  
play along with the zone alarm  
and zoom bar can be changed  
using the Chart Data menu. To  
use this menu, press the MENU  
key, select “Chart Data Shown”  
and press the ENT key. A screen  
similar to the one at right appears.  
The unit can show the digital  
depth in large numbers (default), small numbers, or off. To change it, se-  
lect the “Depth” label, then press the ENT key. Highlight the desired set-  
ting using the arrow keys, then press the ENT key.  
To change any of the other settings, on this screen, select them using the  
arrow keys, then press the ENT key to select them. Press the EXIT key to  
erase the menu when you’re finished.  
SONAR FEATURES  
Several key sonar options are  
under the“Sonar Features”menu  
on the main menu. Select the  
main menu by pressing the  
MENU key, then select “Sonar  
Features”and press the ENT key.  
The menu shown at right ap-  
pears.  
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Transducer Frequency  
This unit operates from both 200 kHz and 50 kHz. The default frequency  
is 200 kHz. It’s best for use in shallow water.The 50 kHz frequency is best  
for deep water, especially saltwater. Use the arrow keys to highlight the  
desired frequency, then press the ENT key to select it.  
Surface Clarity  
The markings extending downward from the zero line on the chart are  
called “surface clutter”. These markings are caused by wave action, boat  
wakes, temperature inversion, and more.  
The surface clarity control reduces or eliminates surface clutter signals  
from the display. It does this by changing the sensitivity of the receiver,  
decreasing it near the surface and gradually increasing it as the depth  
increases. The maximum depth that the surface clarity control can affect  
is 75% of the selected depth range. For example, on a 0 - 60 foot range  
with surface clarity control set to high, surface clutter will be reduced down  
to 45 feet.  
There are three levels of surface clarity available: low, medium, or high. It  
can also be turned off. The default level is low. To change it, highlight  
“Surface Clarity” on the “Sonar Features” menu, then press the ENT key  
to select it. Use the cursor keys to highlight the desired level of surface  
clarity, then press the ENT key.  
Noise Rejection  
The automatic noise rejection system built into this unit constantly evalu-  
ates the effects of boat speed, water conditions, and interference from  
electrical and mechanical sources such as bilge pumps, engine ignition  
systems and wiring, even engine vibration. It then works to reduce or  
eliminate the negative effects on the sonar screen. This gives the best  
display possible under most conditions.  
The Noise Rejection system is an effective tool in combating noise. In  
sonar terms, noise is any undesired marks on the display.  
This unit has two levels of noise rejection: normal and high. It can also be  
turned off.The default is normal.To change it, highlight “Noise Rejection”  
on the “Sonar Features” menu, then press the ENT key to select it. Use  
the cursor keys to highlight the desired level of noise rejection, then press  
the ENT key.  
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SONAR FEATURES (cont.)  
Fish Symbols  
The Fish Symbols feature identi-  
fies targets that meet certain con-  
ditions as fish. The microcom-  
puter analyses all echoes and  
eliminates surface clutter, ther-  
moclines, and other signals that  
are undesirable. In most in-  
stances, remaining targets are  
fish. The Fish Symbols feature  
displays symbols on the screen  
in place of the actual fish echoes.  
There are several fish symbol sizes. These are used to designate the  
relative size between targets. In other words, it displays a small fish sym-  
bol 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 trotlines, turtles,  
submerged floats, air bubbles, etc. Individual tree limbs extending out-  
wards from a group of limbs is the hardest object for the Fish Symbols  
feature to distinguish from fish.  
You may see Fish Symbols symbols on the screen when actually, there  
are no fish. Practice with the unit in both the Fish Symbols mode and  
without to become more familiar with the Fish Symbols feature.  
The default for Fish Symbols is off. To turn the Fish Symbols feature on,  
highlight “Fish Symbols” on the “Sonar Features” menu. Press the ENT  
key to turn the Fish Symbols feature on. Any targets the microcomputer  
determines are fish will be displayed as fish symbols.  
Fish Depths  
The Fish Depths feature shows the depth of a fish symbol when it ap-  
pears on the display. This lets you accurately gauge the depth of targets.  
This feature is available only when the Fish Symbols feature is on.  
The default for Fish Depths is off. To turn the this feature on, highlight  
“Fish Depths” on the “Sonar Features” menu. Press the ENT key to turn  
the Fish Depths feature on. (Note: If Fish Symbols is off, turning Fish  
Depths on will also turn Fish Symbols on.)  
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LOG SONAR CHART DATA  
If you have a MMC installed in the  
unit, the sonar data shown on the  
screen can be saved to the MMC.  
This can be played back at any  
time.  
To save the chart data, press the  
MENU key, then select “Log So-  
nar Chart Data”. The screen at  
right appears.  
To save data using the defaults on this screen, highlight “Start Logging”  
and press the ENT key.You can change any of the defaults on this screen,  
if desired. When finished, press the EXIT key.  
DISPLAY SETTINGS  
Contrast/Backlight/Display Mode  
To adjust these settings, press  
the MENU key twice.This shows  
the second menu page.Highlight  
“Screen” at the top of the page  
and press the ENT key. The  
screen at right appears.  
Contrast is highlighted on this  
menu by default. To adjust it,  
press the ENT key and use the  
left or right arrow keys to change  
it. Press the ENT key when fin-  
ished.  
To adjust the backlighting’s brightness, first turn it on by pressing the PWR  
key. Next, highlight the “Backlight” label, then use the arrow keys to adjust  
it. Press the ENT key when you’re finished.  
Display Mode optimzes the LCD (liquid crystal display) for specific view-  
ing conditions. Normally, it should stay in the default mode. However, the  
High Contrast mode may be useful for shaded light conditions and the  
Night Viewing mode for use at night. Select the “Display Mode” menu,  
press the ENT key, then select the desired setting from the drop-down  
menu. Press the ENT key when you’re finished.  
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AUDIO  
The various sounds that the unit  
makes can be customized to your  
own taste. Press the MENU key  
twice, then select “Sounds” from  
the main menu. The screen at  
right appears.  
The volume control on the right  
side of the menu adjusts the au-  
dio level for all sounds.To change  
it, select“Volume”, press the ENT  
key, then adjust it using the arrow keys. Press the ENT key when you’re  
finished.  
The unit sounds a tone when a key is pressed.To turn this off, select “Key  
Press Sounds” and press the ENT key. The same with “Alarm Sounds”.  
This silences the tone that’s sounded when an alarm is triggered.  
“Alarm Style” lets you select the type of sound that’s played when an  
alarm is triggered. Select “Alarm Style”, then press the ENT key. Choose  
the desired setting, then press the ENT key again. The setting is saved  
and will be played the next time an alarm sounds.  
ALARMS  
This unit has three different types of sonar alarms. The first is the Fish  
Alarm. It sounds when the Fish I.D. feature determines an echo or group  
of echoes is a fish. Another alarm is the Zone Alarm which consists of a  
bar. Any echo on the chart that appears inside this bar triggers this alarm.  
The last alarm is called the Depth Alarm. Only the bottom signal will trig-  
ger this alarm.This is useful as an anchor watch, a shallow water alert, or  
for navigation.  
To adjust an alarm, first press the  
MENU key twice, then select  
“Alarms”. Now select “Sonar  
Alarms”. The screen shown at  
right appears. Follow the instruc-  
tions below for setting each  
alarm.  
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DEPTH ALARMS  
The depth alarms sound a tone when the bottom signal goes shallower  
than the shallow alarm’s setting or deeper than the deep alarm’s setting.  
For example, if you set the shallow alarm to ten feet, the alarm will sound  
a tone if the bottom signal is less than ten feet. It will continue to sound  
until the bottom goes deeper than 10 feet. The deep alarm works just the  
opposite. It sounds a warning tone if the bottom depth goes deeper than  
the alarm’s setting. Both depth alarms work only off the digital bottom  
depth signals. No other targets will trip these alarms. If you turn the digital  
sonar off, the depth alarms will be inoperative.These alarms can be used  
at the same time or individually.  
To adjust the shallow alarm, high-  
light the “Depth” label in the Shal-  
low Alarm box.To adjust the deep  
alarm, highlight the “Depth” label  
in the Deep Alarm box. Both  
alarms adjust identically.We’ll use  
the shallow alarm as an example.  
Highlight the “Depth” label, then  
press the ENT` key. The screen  
shown at right appears.  
Use the up or down arrow keys to select the number, the right and left  
keys to move from number to number in the depth.For example, to set the  
shallow alarm depth to 10 feet, press the right arrow key until the next to  
last number is highlighted, then press the up arrow key once.The changes  
the second “0” to a “1”. Next, press the right arrow key again and press  
the down arrow key once.This changes the “1” at the end of the number to  
a “0”. The depth now shows 10 feet.  
Press the ENT key to accept this setting. The unit returns to the alarms  
menu, showing a shallow depth of 10 feet. Now you can activate the alarm  
by highlighting the “Enabled” label and pressing the ENT key.  
With the shallow alarm set at ten feet, anytime the digital depth display  
goes below ten feet, the shallow alarm sounds.  
Set the deep alarm in the same manner. If the digital depth reading goes  
below the deep alarm setting, the deep alarm will sound.  
ZONE ALARM  
The zone alarm is triggered when any echo passes inside the zone alarm  
bar, shown on the right side of the screen. To turn the zone alarm on,  
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highlight the “Enabled” box in the  
Zone Alarm box, then press the  
ENT key. To adjust the zone  
alarm, highlight the “Adjust Zone”  
label, then press the ENT key. A  
screen similar to the one at right  
appears.  
The zone alarm bar shows on the  
screen to the right of the zoom  
bar. Any echo - fish, bottom,  
structure, etc will trigger the zone alarm.  
To adjust the top of the zone bar higher or lower, highlight “Upper Limit”  
and press the ENT key. To adjust the bottom of the bar, highlight “Lower  
Limit” and press the ENT key.  
When the zone alarm is set, press the EXIT key to erase the menus.  
FISH ALARM  
Use the fish alarm for a distinctive audible alarm when fish or other sus-  
pended objects are detected by the Fish I.D.feature.A different tone sounds  
for each fish symbol size shown on the display. To turn the fish alarm on,  
select “Fish Alarm” from the sonar alarms menu and press the ENT key.  
Repeat the above steps to turn the fish alarm off.  
SONAR SETUP  
The Sonar Setup menu lets you  
select the transducer type, set the  
keel offset, calibrate the water  
speed sensor, reset the trip dis-  
tance, and turn on the sonar  
simulator.  
To access this menu, press the  
MENU key twice, then select “So-  
nar Setup”. The screen at right  
appears.  
Transducer Type  
This unit can use three different types of transducers: 200 kHz only, 50  
kHz only, or 50 kHz and 200 kHz (dual-frequency). The default is 50 kHz  
and 200 kHz.To change it, select “TransducerType”from the “Sonar Setup”  
menu. Highlight the type of transducer installed, then press the ENT key  
to select it. Press the EXIT key to erase the menu.  
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Keel Offset  
Normally, this unit measures water depth from the face of the transducer.  
Since the transducer is below the surface of the water, this distance is not  
the exact water depth. If the transducer is one foot below the surface, and  
the screen shows the water depth as 30 feet, then the depth is actually 31  
feet.  
You can calibrate the depth read-  
ing using the keel offset feature.  
First, highlight “Set Keel Offset”  
on the “Sonar Setup” menu, then  
press the ENT key. The screen  
shown at right appears. The cur-  
rent bottom depth shows in the  
upper left corner of the screen.  
The keel offset shows in the cen-  
ter of the screen.In this example,  
we need to change the keel off-  
set so that the unit will add one foot to the depth, since the transducer is  
one foot below the surface. Press the right arrow key, then the up or down  
arrow keys until +1.0 appears in the box, then press the ENT key. This  
immediately adds one foot to the digital depth display at the top of the  
screen. The adjustment menu automatically erases when the ENT key is  
pressed.  
Note: Another way to use the keel offset feature is if you want to know the  
depth of the water below the lowest part of the boat, instead of the sur-  
face.To do this, measure the lowest part of the boat below the transducer.  
In this example, we’ll use 3 feet. Now, using the keel offset feature, adjust  
the offset for a negative 3 feet.  
Please note that adjusting the keel offset only affects the digital depth  
display and all features that use the digital depth, such as the depth alarms  
and FishTrack. This doesn’t affect the chart at all.  
Calibrate Speed  
The speed sensor can be calibrated to compensate for inaccuracies. To  
do this, select “Calibrate Speed” from the “Sonar Setup” menu. Now cal-  
culate the percentage that the speed is off and enter it into the Calibrate  
Speed window in the center of the screen.When finished, press the EXIT  
key to erase the window.  
Reset Water Distance  
The Digital Data page shows distance travelled which is calculated from a  
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speed sensor input - not the GPS. This distance (called Water Distance)  
can be reset to zero using the “Reset Water Distance” label on the “Sonar  
Setup” menu. Simply highlight “Reset Water Distance” and press the ENT  
key. The menus automatically erase and the water distance display is  
reset to 0.00.  
Sonar Simulator  
This unit has a built-in simulator that lets you use it as if you are on the  
water. All features and functions of the unit are useable. A message ap-  
pears occasionally that alerts you to the fact that the simulator is on.  
To use this, select “Sonar Simu-  
lator” from the “Sonar Setup”  
menu. The screen at right ap-  
pears.  
Turn the simulator on by highlight-  
ing “Simulator On” and pressing  
the ENT key. The simulator im-  
mediately begins operation.  
If you have a MMC installed, you  
can select previously saved charts to show instead of the standard one.  
Select the chart from the “Charts Used” menu. The unit will use the se-  
lected chart.  
When you are finished with the settings on this screen, press the EXIT  
key to erase the menus.  
SYSTEM SETUP  
Many of the unit’s basic features  
can be changed from this menu.  
Press the MENU key twice, then  
select “System Setup”. The  
screen at right appears.  
Units of Measure  
This menu (shown at the top of  
the next page) sets the speed  
and distance (statute or nautical  
miles, meters), depth (feet, fath-  
oms, or meters), temperature (degrees Fahrenheit or Celsius), and head-  
ing (true or magnetic) units.  
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To change the units, select “Units  
of Measure” from the “System  
Setup” menu. Highlight the de-  
sired label with the arrow keys,  
then press the ENT key to  
change it. Press the EXIT key  
when you’re finished.  
Set Local Time  
The GPS requires the local time  
and date for its initialization and  
the time and date are saved when  
a waypoint is saved. To set the  
time and date, select “Set Local  
Time and Date” from the System  
Setup menu. The screen shown  
at right appears.  
Highlight the field that you wish  
to change using the arrow keys,  
then press the ENT key to change it. Once you have each field set the  
way you want, press the EXIT key to erase the menu.  
Communications Ports  
This unit has two serial ports. Each can be set to send NMEA data or  
receive data from a DGPS receiver.The baud rate is adjustable from 1200  
to 115200 baud. The default is  
9600.To change a setting on this  
screen, highlight it using the cur-  
sor keys, then press the ENT key  
to change it.  
If a DGPS receiver is connect to  
this unit, highlight the appropri-  
ate receiver type: “STARLINK  
DGPS” or “MAGNAVOX DGPS”  
and press ENT key to turn it on.  
(Use Starlink DGPS when using  
Lowrance DGPS Beacon Receiv-  
ers.)With the exception of serial communications, typically no other setup  
needs to be made with these receivers.  
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If you have any other Magnavox or Starlink compatible DGPS receiver  
connected to this unit, (including a Lowrance DGPS receiver) you may  
need to change the settings. To do this, select “Configure DGPS”  
Configure DGPS  
This unit will recognize Starlink®  
and Magnavox® automatic  
DGPS receivers. If you have ei-  
ther one of these receivers, se-  
lect “Configure DGPS”. The  
screen at right appears. The sta-  
tus of the DGPS signal appears  
in the boxes at the top, along with  
the frequency and bit rate of the  
selected transmitter.To configure  
the unit for DGPS, highlight the  
“Frequency” and press the ENT key. Use the arrow keys to enter the fre-  
quency of the station that you intend to use. Press the ENT key when  
you’re finished. Next, set the bit rate in the same manner. If you’re using a  
Starlink DGPS receiver, leave the “Starlink Auto Tuning Mode” checked. If  
not, deselect this box.  
Press the EXIT key when you’re finished with this menu.  
Configure NMEA  
You can configure the unit to use  
specific NMEA sentences.Select  
“Configure NMEA” and press the  
ENT key. The menu at right ap-  
pears showing the prefix of the  
available NMEA sentences. A  
check mark next to the prefix  
means that prefix is in use. Se-  
lect the prefix that you wish to  
change by highlighting it, then  
change it by pressing the ENT  
key. Press the EXIT key when you’re finished with this menu.  
Reset Options  
To reset all features to their factory defaults, select “Reset Options” from  
the “System Setup” menu. After selecting, a new menu appears, asking if  
you want to reset all options. Use the arrow keys to highlight the answer,  
and the ENT key to select it. The unit clears all menus and returns all  
settings to the factory defaults.  
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Note: Reset Options does not erase any waypoints, routes, or plot trails.  
Popup Help  
Help is available for virtually all of the menu labels on this unit. By high-  
lighting a menu item and leaving it highlighted for a few seconds, a “popup”  
message appears that describes the function of the the menu item.  
This feature is on by default.To turn it off, highlight “Popup Help” from the  
System Setup menu, then press the ENT key. To turn it on again, repeat  
the above steps.  
Hide GPS features  
If there is no GPS receiver attached to this unit, then the GPS menus and  
features can be hidden from view by selecting “Hide GPS Features” on  
the System Setup menu. The default is on. To turn them on again, select  
“Show GPS Features” from the System Setup menu.  
Software Information  
To view the version number of the operating system, select “Software  
Information” from the System Setup menu. A screen appears with the  
system information. Press the EXIT key to erase this screen.  
SUN/MOON CALCULATOR  
This unit has a sunrise/sunset  
and moonrise/moonset calculator  
that shows this information any-  
where and anytime in the world.  
To use it, press the MENU key  
twice, then select “Sun/Moon  
Calculator”.The screen shown at  
right appears.The calculations for  
both are done at the same time.  
The sun and moon data for  
today’s date appear above their  
respective symbols. The moon symbol shows the approximate phase of  
the moon.  
Today’s date shows at the top of the screen. If you want to know the  
sunrise/sunset for a different date, change it by selecting the month, day,  
or year by pressing the ENT key, then enter the new date with the arrow  
keys. The unit recalculates the sun and moon data for the date you en-  
tered.  
The sun and moon data show for your present position. To choose a dif  
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ferent location, select “Choose Position” and enter the new position. The  
unit recalculates the sun and moon data for the location that you entered.  
Press the EXIT key to erase this screen.  
GPS OPERATION  
NOTE: A LGC-12S GPS module or an external GPS receiver with NMEA  
output must be attached to this unit in order to use the position and navi-  
gation features.  
WARNING!  
Use this product only as an aid to navigation. A careful navigator never  
relies on only one method to obtain position information.  
CAUTION  
This GPS receiver (like all GPS navigation equipment) will show the short-  
est, most direct path to a waypoint. It provides navigation data to the  
waypoint, regardless of obstructions.Therefore, the prudent navigator will  
not only take advantage of all available navigation tools when travelling to  
a waypoint, but will also visually check to make certain a clear, safe path  
to the waypoint is always available.  
INTRODUCTION TO GPS  
The Global Positioning System (GPS) was developed by the United States  
Department of Defense as a 24-hour a day, 365 days a year global navi-  
gation system for the military. Civilian availability was added (but with less  
accuracy) using the same satellites.Twenty-four satellites orbit the Earth.  
Three of these satellites are spares, unused until needed. The rest virtu-  
ally guarantee that at least four satellites are in view nearly anywhere on  
Earth at all times.  
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The system requires three satellites in order to determine a position.This  
is called a 2D fix. It takes four satellites to determine both position and  
elevation (your height above sea level - also called altitude.) This is called  
a 3D fix.  
Remember, the unit must have a clear view of the satellites in order to  
receive their signals. Unlike radio or television, GPS works at very high  
frequencies. The signals can be blocked easily by trees, covered docks,  
even your body.  
Never use this GPS receiver while operating a vehicle!  
Like most GPS receivers, this unit doesn’t have a compass or any other  
navigation aid built inside. It relies solely on the signals from the satellites  
to calculate a position. Speed, direction of travel, and distance are all  
calculated from position information.Therefore, in order for it to determine  
direction of travel, you must be moving and the faster, the better. This is  
not to say that it won’t work at trolling speeds - it will. There will simply be  
more “wandering” of the data shown on the display.  
If you want better performance, many manufacturers (including Lowrance)  
sell a DGPS receiver that attaches to your GPS receiver.The DGPS sys-  
tem transmits correction signals that increase the accuracy to about 10  
meters. The DGPS receiver takes signals from these land-based trans-  
mitters and gives them to the GPS receiver which then uses them to  
show a more accurate position. (You can use the signals from all of the  
Coast Guard DGPS stations for free, by the way.) The downside to this is  
it requires another piece of electronic gear (the DGPS receiver). And you  
have to be close enough to a station to receive the DGPS signals.  
Generally, you find that using your GPS receiver without DGPS is both  
easy and amazingly accurate. It’s easily the most accurate method of  
electronic navigation available to the general public today. Remember,  
however, that this receiver is only a tool. Always have another method of  
navigation available, such as a chart and a compass.  
Also remember that this unit will always show navigation information in  
the shortest line from your present position to a waypoint, regardless of  
terrain! It only calculates position, it can’t know what’s between you and  
your camp, for example. It’s up to you to safely navigate around obstacles,  
no matter how you’re using this product.  
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FINDING YOUR POSITION  
Auto Search  
To lock onto the satellites, the GPS receiver needs to know it’s current  
position, UTC time, and date.(Elevation (altitude) is also used in the equa-  
tion, but it’s rarely required to determine a position.) It needs this data so  
that it can calculate which satellites should be in view. It then searches for  
only those satellites. When your GPS receiver is turned on for the first  
time, it doesn’t know what your position or elevation (altitude) is. It does  
know the current UTC time and date since these were programmed into it  
at the factory and an internal clock keeps the time while the unit is turned  
off. (If the time and/or date are incorrect, you can set it using the “Set  
LocalTime” menu. See page 23 for more information.) It begins searching  
for the satellites using the above data that it acquired the last time it was  
turned on. This probably was at the factory. Since it’s almost certain that  
you’re not at our factory, it’s probably looking for the wrong satellites. If it  
doesn’t find the satellites it’s looking for after five minutes, it switches to  
Auto Search. The receiver looks for any satellite in the sky. Due to ad-  
vanced technology, the auto search time has shrunk to about five min-  
utes, so the longest time you should ever have to wait is ten minutes from  
the time you turn the unit on until it locks onto the satellites and shows a  
position. Once the unit locks onto the satellites, it should take less than a  
minute to find your position the next time it’s turned on, provided you  
haven’t moved more than approximately 100 miles from the last location it  
was used.  
The Auto Search function can be  
started at any time. Press the  
MENU key twice, then select  
“GPS Auto Search”. A new menu  
appears, “Perform GPS Auto-  
Search”. Highlight “Yes” and  
press the ENT key. The menus  
disappear and the unit will begin  
the auto search.  
Manual Initialization  
If you don’t want to wait for the Auto Search, then you may be able to  
speed up the initialization process by using the manual initialization fea-  
ture.Using this feature tells the unit it’s approximate position.Once it knows  
it’s location, it determines exactly which satellites should be in view and  
starts looking only for those satellites.  
To manually initialize the unit, press the PAGES key.Using the arrow keys,  
select “Status” . Press the EXIT key to erase the menu. The screen at  
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right appears. Now press the  
MENU key. Select “INITIALIZE  
GPS”. A screen similar to the one  
below right appears. Use the ar-  
row keys to move the crosshairs  
to your approximate location on  
the map.You can use the ZIN and  
ZOUT keys to enlarge the map  
which makes it easier and faster  
to find your location. The box at  
the bottom of the screen shows  
the latitude and longitude of the  
cursor position.A box pops up on  
the screen, showing the name of  
the nearest highway (if a MMC  
with a map is installed) along with  
the distance and bearing from the  
last known position. Once you  
have the crosshairs on your lo-  
cation, press the ENT key. The  
unit returns to the satellite status  
screen.  
Using this manual initialization method loads a position that’s close to  
yours into the GPS receiver. It should now have position, time, and date,  
thereby giving it the data it needs to determine which satellites are in  
view. Once the satellites are known, the receiver searches for only those  
satellites, making a lock faster than an auto search method.  
All position and navigation data flashes until the unit acquires a position.  
Do not rely on any data that is flashing! When the numbers are flashing,  
they represent the last known values when the unit lost it’s lock on the  
satellites.  
Position Aquisition  
When the receiver locks onto the satellites and calculates a position, it  
shows the message “Position Acquired” on the screen. Once the unit has  
acquired the satellites and the position acquired message appears, it’s  
ready for use.  
(Note: The altitude data may still flash even if the unit shows a “Position  
Acquired” message and all other data is not flashing. The unit must be  
locked onto at least four satellites to determine altitude. It only takes three  
satellites to determine position.You can navigate with this unit if the alti  
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tude is flashing, simply ignore the altitude display until it quits flashing.)  
REMEMBER, DO NOT NAVIGATE WITH THIS UNIT UNTIL THE NUM-  
BERS STOP FLASHING!  
Require DGPS  
Normally, the unit will flash the position and navigation data when it loses  
the satellite fix, but it does not flash the data when it loses the DGPS fix. If  
you want the unit to flash the position and navigation data when it loses  
the DGPS data, select the Status screen, highlight “Require DGPS” and  
press the ENT key. Press the EXIT key to erase the menu.  
GPS OPERATION  
PAGES  
Turn the unit on by pressing the  
PWR/LIGHT key.If a GPS screen  
is not showing, press the PAGES  
key. A menu similar to the one at  
right appears. Press the left or  
right arrow key to highlight the  
Status, Navigation, or Map label.  
The Map menu gives you five se-  
lections: Full Map, Digital Data,  
Two Position Formats,Two Maps,  
or Map with Sonar (split-screen  
map and sonar). Once the desired menu is selected, press the EXIT key  
to erase the menus.  
Status  
This screen shows a graphical  
view of the satellites that are in  
view. Each satellite is shown on  
the circular chart relative to your  
position. The point in the center  
of the chart is directly overhead.  
The small inner ring represents  
45° above the horizon and the  
large ring represents the horizon.  
North is at the top of the screen.  
You can use this to see which  
satellites are obstructed by obstacles in your immediate area if you hold  
the unit facing north.  
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The GPS receiver is tracking satellites that are in bold type. The receiver  
hasn’t locked onto a satellite if the number is grayed out, therefore it isn’t  
being used to solve the position.  
Beneath the circular graph are the bar graphs, one for each satellite in  
view. Since the unit has twelve channels, it can dedicate one channel per  
visible satellite. The taller the bar on the graph, the better the unit is re-  
ceiving the signals from the satellite.  
The “Position Error” (horizontal position error) shown in the upper left cor-  
ner of the screen is the expected error from a benchmark location. In  
other words, if the position error shows 50 feet, then the position shown  
by the unit is estimated to be within 50 feet of the actual location.This also  
gives you an indicator of the fix quality the unit currently has.The smaller  
the position error number, the better (and more accurate) the fix is. If the  
position error flashes, then the unit hasn’t locked onto the satellites, and  
the number shown isn’t valid.  
Customizing the Status Screen  
Many of the digital displays can be customized to show different digital  
data than the defaults. To customize this screen, press the MENU key  
while the Status screen is showing.Scroll down to the bottom of this menu  
to the Customize label and select it.The Position Error bar flashes, signi-  
fying that the window can be changed. Press the MENU key to show a  
menu of available options. Choose the data that you want shown at this  
location, then press the ENT key to select it. To change another, simply  
press the down arrow key. The ID bar will flash on the selected box. Re-  
peat the above steps until you’re finished customizing. Press the EXIT  
key to stop the bar from flashing.  
Navigation  
This screen has a compass rose that not only shows your direction of  
travel, but also the direction to a recalled waypoint.The navigation screen  
looks like the one at right when you’re not navigating to a waypoint.Your  
position is shown by an arrow in  
the center of the screen.Your trail  
history, or path you’ve taken is de-  
picted by the line extending from  
the arrow. The large arrow point-  
ing down at the top of the com-  
pass rose indicates the current  
track (direction of travel) you are  
taking.  
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When navigating to a waypoint,  
the Navigation screen looks like  
the one at right. Your ground  
speed, track, distance and bear-  
ing to waypoint, and course are  
all shown digitally on this screen.  
Closing speed is also known as  
velocity made good.It’s the speed  
that you’re making towards the  
waypoint.The current cross track  
error is shown in the Off Course  
box. This is the distance you are off-course to the side of the desired  
course line.The course line is an imaginary line drawn from your position  
when you started navigating to the destination waypoint. It’s shown on  
the steering screen as a vertical dotted line. Lines on either side of the  
present position show the current cross track error range The default for  
the cross track error range is 0.20 mile. For example, if the present posi-  
tion symbol touches the right  
cross track error line, then you  
are .20 mile to the right of the  
desired course.You need to steer  
left to return to the desired  
course. You can use the ZIN or  
ZOUT keys to change the cross  
track error range. A circle depict-  
ing your destination (waypoint)  
appears on the screen as you  
approach the waypoint as shown  
on the screen at right.  
Travel Time is the time that it will take to reach your destination at your  
present closing speed. Arrival Time is the local time that it will be when  
you arrive at the destination, based upon your present closing speed and  
track.  
Customizing the Navigation Screen  
Many of the digital displays can be customized to show different digital  
data than the defaults shown above. This is done exactly like the  
customization of the Status screen. See page 31 for instructions to cus-  
tomize this screen.  
Map  
There are five different mapping screens: Full Map, Digital Data, Two Po-  
sition Formats, Two Maps, and Map with Sonar.  
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(Note: Maps must be downloaded from a MapCreate™ CD-ROM onto a  
MMC. The MMC must be installed into the unit before maps will show on  
the screen. If your unit came with a MMC, MMC Interface, and CD-ROM,  
then follow the instructions in the separate booklet. If these items were  
not included with your unit, then you will need to purchase the accessory  
pack that includes these items.)  
The maps on the CD have the majority of their detail in far southern  
Canada, the continental United States and Hawaiian islands, northern  
Mexico, the Bahamas, and Bermuda.  
The map screens show your course and track from a “bird’s-eye” view. If  
you’re navigating to a waypoint, the map shows your starting location,  
present position, course line, and destination.You don’t have to navigate  
to a waypoint, however, to use the map.  
Using the map is as simple as  
pressing the PAGES key, then  
“Full Map”. A screen similar to the  
one at right appears. The arrow  
flashing in the center of the  
screen is your present position.  
It points in the direction you’re  
travelling. The solid line extend-  
ing from the arrow is your plot  
trail, or path you’ve taken. The  
plotter’s range shows in the lower  
right corner of the screen. In this  
example, the plotter’s range is 4,000 miles from the left edge of the map  
to the right.  
To view the other map screens, press the PAGES key, highlight the MAP  
label, and press the down arrow key until the desired map screen ap-  
pears. Press the EXIT key to  
erase the menu. The “Digital  
Data”screen has navigation data  
added to the left side, with the  
map on the right. The data in-  
cludes ground speed, closing  
speed, distance to waypoint, dis-  
tance off course (cross-track),  
track, bearing, course, and travel  
time.  
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“Two Position Formats” is similar  
to “Digital Data”, except it adds  
two present position boxes, one  
showing latitude/longitude and  
the other shows the present po-  
sition in UTM.  
“Two Maps” shows two maps  
side-by-side.You can customized  
each map with different settings.  
For example, the map on the left  
can have a zoom range of .5  
miles, while the one on the right  
has a range of 10 miles.This lets  
you zoom-in on one side, while  
seeing a much larger area on the  
other.Press the PAGES key, then  
an arrow key to select the right  
or left map.  
“MapWith Sonar” shows the map  
on the left side of the screen and  
the sonar on the right.  
The Z-IN and Z-OUT keys zoom-  
in and out all maps to enlarge or  
reduce their coverage area. The  
available ranges are: 0.1, 0.15,  
0.2, 0.3, 0.4, 0.6, 0.8, 1, 1.5, 2, 3,  
4, 5, 6, 8, 10, 15, 20, 30, 40, 60,  
80, 100, 150, 200, 300, 400, 600,  
800, 1000, 1500, 2000, 3000, and 4000 miles.  
Cursor  
Pressing an arrow key turns on two dotted lines that intersect at the present  
position symbol. These lines are called a “cursor” and have a variety of  
uses.  
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To turn the cursor on, simply  
press the arrow key in the direc-  
tion you want the cursor to move.  
This lets you view areas on the  
plotter that are away from your  
present position. The zoom-in  
and zoom-out keys work from the  
cursor’s position when it’s active  
- not the present position.You can  
zoom in on any detail, anywhere.  
The cursor can also place icons  
and waypoints.  
Cursor Distance  
You can use the cursor to find the  
distance between two points.  
While the cursor is showing,  
press the MENU key, then select  
“FIND DISTANCE”. The unit re-  
turns to the mapping screen.Now  
move the cursor to the first loca-  
tion that you want to measure the  
distance from and press the ENT  
key. Next, move the cursor to the  
position that you want to measure  
the distance to. A line is drawn from the point when the ENT key was  
pressed to the cursor’s present location. The distance and bearing to the  
second location show in a box next to the cursor’s crosshairs. To mea-  
sure another two points, simply move the cursor and press the ENT key.  
Press the EXIT key to erase the cursor. The unit centers your present  
position on the screen after erasing the cursor.  
Map Orientation  
By default, this receiver shows the map with north always at the top of the  
screen. This is the way most maps and charts are printed on paper. This  
is fine if you’re always travelling due north. What you see to your left cor-  
responds to the left side of the map, to your right is shown on the right  
side of the map, and so on. However, if you travel any other direction, the  
map doesn’t line up with your view of the world.  
To correct this problem, a track-up mode rotates the map as you turn.  
Thus, what you see on the left side of the screen should always be to your  
left, and so on. A course-up mode keeps the map at the same orientation  
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as the initial bearing to the waypoint. A “N” shows to help you see which  
direction is north when either the track-up or course-up mode is on.  
In the north-up view shown at  
right, we’re travelling southeast.  
In this view, the present position  
indicator appears to move to-  
wards the lower right side of the  
screen.  
NORTH-UP  
In the track-up view, the present  
position moves straight towards  
the top of the display. Remem-  
ber, in the track-up mode, the  
screen rotates as you change di-  
rection. It always keeps your di-  
rection of travel (track) heading  
towards the top of the screen.  
TRACK-UP  
In the course-up mode, the  
screen is locked into your origi-  
nal bearing to the recalled  
waypoint, regardless of your  
track.  
To select the desired mode, first  
press the MENU key, then select  
“Map Orientation”, then select the  
COURSE-UP  
desired mode. Press the EXIT  
key to erase this menu.  
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Auto Zoom  
This receiver has an autozoom feature that eliminates much of the button  
pushing that competitive units force you to make. It works in conjunction  
with the navigation features. First, recall a waypoint. (See the waypoint  
section for more information on navigating to a waypoint.) Then, with the  
autozoom mode on, the unit zooms out until the entire course shows,  
from the present position to the destination waypoint (recalled waypoint).  
As you travel towards the destination, the unit automatically begins zoom-  
ing in, one zoom range at a time, keeping the destination on the screen.  
To turn this featue on, press the MENU key, then highlight “Auto Zoom”  
using the arrow keys. Press the ENT key to activate it. Press the EXIT key  
to erase the menus. Repeat these steps to turn it off.  
Range Rings/Grid Lines  
The map screen can be custom-  
ized with rings that are 1/2 of the  
range and/or grids that divide the  
plotter into equal segments of lati-  
tude and longitude. To do this,  
press the MENU key, then high-  
light the desired option, then  
press the ENT arrow key to turn  
it on.Press the EXIT key to erase  
the menus. The screen at right  
shows grids.  
Map Data  
This menu lets you turn the map off, if desired, which turns the map screen  
into a plotter; draw the map boundaries or boxes around the areas of  
detail, or use Navionics maps. If  
Navionics maps are downloaded  
to the MMC cartridge, you must  
have this box selected in order to  
use the Navionics map.  
To make a change on this menu,  
press the MENU key, then high-  
light the desired option, then  
press the ENT arrow key to turn  
it on.Press the EXIT key to erase  
the menus.  
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Map Categories Drawn  
This menu determines which of  
the mapping features are shown  
on the screen. This includes,  
waypoints, trails, icons, cities,  
highways, etc.You can selectively  
turn on or off any of these items,  
customizing the map to your  
needs.  
To change the map detail shown,  
press the MENU key, then select  
“Map Catagories Drawn”.The screen at right appears.Use the arrow keys  
to highlight the desired feature, then press the ENT key to turn it on or off.  
When you’re finished, press the EXIT key to erase the menus.  
ICONS  
The map has 42 symbols or “icons” available that can be placed any-  
where on the screen. They can be used to mark fishing or hunting loca-  
tions, landmarks, boat ramps, and virtually any point of interest. An icon  
can be placed at your present position or at the cursor’s location.  
To place an icon at your present  
position, simply press the ENT  
key while a mapping screen is on.  
The screen shown at right ap-  
pears. Use the arrow keys to  
highlight the desired icon. Now  
press the ENT key again. The  
mapping screen reappears with  
the icon showing at the position  
you were at when the ENT key  
was pressed. On the screens  
shown below, the shipwreck icon  
was placed.  
To place an icon at the cursor’s  
position, first use the arrow keys  
to move the cursor to the loca-  
tion that you wish to place the  
icon. Next, press the ENT key.  
Now highlight an icon using the  
arrow keys.While it’s highlighted,  
press the ENT key. The map re-  
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appears with the icon placed at the cursor crosshairs. Press the EXIT key  
to erase the cursor.  
Icons can be erased from the  
plotter individually, all of a spe-  
cific type, or all at once.To make  
changes to the icons, press the  
MENU key, then select “Delete  
My Icons”. The screen shown at  
right appears.  
The “Delete All Icons” selection  
erases all of the icons from  
memory.Use this only if you want  
to erase all icons that have been placed on all map screens.  
To erase only a certain type of icon, select the “Delete By Symbol” menu.  
The icon menu appears. Highlight the icon style that you want to erase  
from memory, then press the ENT key.The unit returns to the map screen  
with all of the selected icons erased.  
You can delete individual icons by  
selecting “Delete From Map”.  
Once this menu is selected, the  
unit returns to the mapping  
screen with the cursor activated  
as shown at right. Use the arrow  
keys to move the cursor to the  
icon that you want to erase.Once  
the crosshairs are on top of the  
icon, press the ENT key.The icon  
is immediately erased. Press the  
EXIT key to erase the cursor.  
PLOT TRAIL  
The line extending from the  
PLOT TRAIL  
present position symbol is called  
a plot trail. (See the example at  
right.) You can save trails and  
navigate an existing trail by se-  
lecting the “My Trails” menu.  
Press the MENU key twice, then  
select “My Trails”. The screen at  
the top of the next page appears.  
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The list of saved trails shows on  
this screen.The check mark next  
to the trail’s name means that this  
trail is displayed on the map. An  
arrow on the right side of the  
screen points to the trail that’s  
currently in use, next to the num-  
ber of points in the trail.  
There can be up to 10 plot trails  
saved with up to 10,000 points  
per trail.  
Edit Trail  
To change the settings for an ex-  
isting trail, highlight the “Saved  
Trails” menu and press the ENT  
key. Next, highlight the trail that  
you wish to change from the list,  
and press the ENT key.The “Edit  
Trail” menu appears.  
From this menu, the trail’s name  
and number of points used can  
be changed by selecting them  
with the arrow keys and the ENT key. If the “Active” box is selected, then  
the points are updated on this trail. If “Visible” is selected, then the trail  
shows on the map. Select “Delete Trail” to erase the trail and its settings.  
Navigate a Trail  
You can follow a saved trail by  
using the “Navigate” feature on  
the “Edit Trail” menu (shown  
above). Selecting the Navigate  
button brings up the screen at  
right.  
The unit“drops”a point on the trail  
as you travel. You can navigate  
from one end of the trail to the  
other. The points on the trail selected in the box at the top of the screen  
are shown in the list. The default data for each point in the plot trail is  
distance and bearing from your present position to each point on the trail.  
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You can change this to the distance and bearing from one point to the  
next (leg), travel time to each point, or arrival time for each point.To change  
this data, select “Display Data”, then press the ENT key. Select the de-  
sired data from the list and press the EXIT key.  
If you select the “Navigate” button, the unit will return to the mapping  
screen showing navigation data to the first point on the list. Selecting  
“Reverse” before navigating inverts the list of points so that the last point  
on the list is the first one that will be navigated to.  
For example, we ran a course on  
a local lake, (shown at right) from  
the boat ramp to a small cove.To  
navigate back to the boat ramp  
using the plot trail, press the  
Menu key twice, select “MyTrails”  
then select the desired plot trail  
and click on the “Naviate” button.  
The screen shown a the bottom  
of the previous page appears.  
Point 1 on the list is the boat ramp.  
Click on the “Reverse” button to  
reverse the plot trail as shown at  
right. Now the last point on the  
plot trail (#11) will be the first one  
that the unit navigates to. Now  
select the “Navigate” button. The  
unit returns to the map screen as  
shown at the bottom of this page.  
As you travel, the unit will show  
navigation data to each point on  
the plot trail. When you cross the  
arrival alarm radius (default is 0.1  
mile), the arrival alarm sounds an  
alert.Pressing the Exit key clears  
the arrival alarm for that point.The  
unit will continue to show naviga-  
tion data to each point on the trail  
until you reach the destination.  
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Trail Options  
This menu lets you change the  
way the trail updates occur. The  
options are automatic, time, or  
distance. When it’s in the auto-  
matic mode, the unit doesn’t up-  
date the plot trail while you’re trav-  
elling in a straight line. Once you  
deviate from a straight line, the  
unit “drops” a plot point onto the  
trail. This conserves plot trail  
points. If a plot trail uses all of the  
available points allotted to it, the beginning points are taken away and  
placed at the end of the trail.  
New Trail  
To create or delete a trail select  
“New Trail”. The screen at right  
appears. The name, maximum  
number of points in the trail, ac-  
tivity, and visiblity are all changed  
on this screen. Simply highlight  
the section you wish to change  
using the arrow keys, then select  
(or change) it by pressing the  
ENT key. Press the EXIT key to  
erase this menu.  
Delete All Trails  
To remove all of the trails from memory, select “Delete All” from the “Trails”  
menu. A menu appears asking if you wish to delete all trails. Select “Yes”  
if you wish to delete all of the trails.The unit will delete all trails and return  
to the “Trails” menu.  
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WAYPOINTS  
This GPS receiver gives you the ability to create your own database of  
locations, called “waypoints”.You can save your present position, cursor  
position, or enter a coordinate and save it as a waypoint. For example,  
you may wish to store the location of your boat dock as a waypoint before  
starting on a trip.When you want to return, all you have to do is recall the  
waypoint and the unit will show distance and bearing from your present  
position to the dock. This unit stores up to 1000 waypoints.  
Saving Your Present Position as a Waypoint  
(Quick Save Method)  
To save your present position,  
simply press the WPT key twice.  
Your current position is placed  
into the first available waypoint  
number on the list. A message  
appears on the display telling you  
the waypoint number it just used.  
This also momentarily places you  
in the waypoint menu. Anytime  
this menu is showing, simply  
press the WPT key once and the  
unit will store your present posi-  
tion on the waypoint list.  
Saving the Cursor Position as a Waypoint  
When the cursor is showing on  
the map and you press the WPT  
key twice, the cursor’s position is  
placed into the first available  
waypoint number. In the example  
screen shown at right, the cursor  
was placed at the desired loca-  
tion. Pressing the WPT twice  
causes waypoint number 2 to be  
placed at the cursor’s crosshairs.  
(Waypoint 2 was the next avail-  
able waypoint number.) A mes-  
sage appears on the display telling you the waypoint number it just used.  
Wait a few seconds and the menu will clear automatically. Press the EXIT  
key to erase the cursor.  
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Saving a New Position  
To save a position other than the  
cursor’s or the present position as  
a waypoint, first press the WPT  
key. The “Find Waypoint” menu  
appears. “My Waypoints” is high-  
lighted. Press the right arrow key  
to move to the Subcategory sec-  
tion. Now highlight “New” and  
press the ENT key. The screen  
at right appears.  
A waypoint can be created from your current position, the cursor position  
(if activated), a position that you enter, a position averaged over time, and  
a projected position, using only distance and bearing from your present  
position.  
Current Position and Entered Position - Edit Waypoint  
Selecting “Current Position” or  
“Entered Position” brings up the  
“Edit Waypoint” menu as shown  
at right. Choosing this option lets  
you change the defaults used  
when the quick-save method is  
used.You can name the waypoint,  
choose a symbol to mark the  
waypoint on the map, and use  
your current position shown in the  
latitude/longitude boxes or  
change it to a different one.  
Use the cursor keys to highlight the section that you wish to change and  
press the ENT key to select it. When all the data is correct on this menu,  
press the EXIT key. This saves  
the waypoint and opens the  
“Waypoint Information” screen as  
shown at right. This shows the  
waypoint that you just saved If all  
you wanted was to save the  
waypoint, press the EXIT key to  
erase the menu. See below for  
more information on theWaypoint  
Information menu.  
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Average Position  
This feature averages your posi-  
tion.This helps to eliminate errors  
in the position due to atmospheric  
effects and other conditions.  
When the “Average Position”  
menu item is selected, a screen  
similar to the one at right appears.  
The small plotter screen shows  
your present position. The num-  
ber of positions used to calculate  
the average position shows on  
the right side of the screen, be-  
neath your present position. When you are ready to save the position,  
press the ENT key.This brings up the “Edit Waypoint” menu, as shown at  
the bottom of the page 42.You can name the waypoint, choose a symbol  
to mark the waypoint on the map, and use your current position shown in  
the latitude/longitude boxes or change it to a different one.  
Use the cursor keys to highlight the section that you wish to change and  
press the ENT key to select it. When all the data is correct on this menu,  
press the EXIT key. This saves the waypoint and opens the “Waypoint  
Information” screen as shown at the top of this page. This shows the  
waypoint that you just saved. If all you wanted was to save the waypoint,  
press the EXIT key to erase the menu. See the next page for more infor-  
mation on the Waypoint Information menu.  
Waypoint Information  
This screen shows the currently  
selected waypoint and it’s name,  
latitude/longitude, the local time  
and date that it was saved, and  
the distance and bearing from  
your present position to the  
waypoint.  
To navigate to a waypoint, select  
“GoTo Waypoint”.The unit will in-  
stantly show navigation data to  
the selected waypoint.  
“Find On Map”returns the unit to a map display with the selected waypoint  
and the cursor centered on the map. Pressing the EXIT key returns the  
unit to the Waypoint Information menu.  
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“Edit Waypoint” returns the unit to the “Edit Waypoint” menu described on  
page 46. “Delete Waypoint” removes the waypoint from the list.  
WAYPOINT NAVIGATION  
This unit makes it easy to navigate to any waypoint. All you have to do is  
press the WPT key, select the waypoint, then select “Go To Waypoint” on  
the Waypoint Information menu. The unit immediately shows navigation  
information to the waypoint on all navigation and mapping screens.  
In this example, the waypoint  
named “Big Fish” was recalled.  
Switching to the MAP-1 screen  
(shown at right) shows the start-  
ing location “S”, the recalled  
waypoint “Big Fish”, the plot trail  
from the starting location to the  
present position, and the present  
position.The present position ar-  
row also shows the direction of  
travel (track).  
Navigating to a Cursor Position  
This unit lets you navigate to a  
location without storing it in the  
waypoint database by using the  
map and cursor. To do this, first  
switch to a map. Now move the  
cursor to the location that you  
want to navigate to. Next, press  
the MENU key.A new, highlighted  
menu appears on the list: “Go To  
Cursor”. Press the ENT key. The  
unit returns to the map and  
shows navigation data to the cur-  
sor location (shown as “D” on the  
map).  
Navigating to aWaypoint using  
the Map  
The unique “birds-eye”view used  
by the map gives you an easy  
way to navigate to a waypoint.On  
the map screen shown at right,  
the arrow is your present position.  
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The box with the “S” in it was your starting location when the waypoint  
was recalled. The dotted line is called a course line and is the shortest  
path from the starting location to the destination. The “D” is the cursor  
destination, when the cursor position is used as a destination. If you fol-  
low the course line, you’ll reach the destination, covering the shortest  
distance in the least time.  
CAUTION!  
This product does NOT take land features or any other feature into ac-  
count when it projects the course line on the screen. Use caution when  
navigating to a location. Make certain there are no obstructions in your  
path.  
MAN OVERBOARD  
One of boating’s most terrifying events is having a friend or family mem-  
ber fall overboard. This situation can be deadly on any body of water -  
fresh or salt. It’s particularly dangerous at night or if you’re out of sight of  
land. Of course, the first thing to do is remain calm and try all standard  
safety measures to try and rescue the person.  
This unit has a man overboard  
feature that shows navigation  
data to the location you were in  
when the feature was activated.  
To activate it, press the ZOUT  
and ZIN keys at the same time.  
Your position at the time these  
keys are pressed is used as the  
man overboard position.A screen  
similar to the one at right appears.  
The steering screen shows a graphical view of your position (shown by  
the black arrow in the center of  
the compass rose) and the posi-  
tion of the man overboard (shown  
by the small circle).  
The man overboard position is  
also stored in the waypoint table  
for future reference. It can be ed-  
ited the same as any waypoint.  
This prevents the inadvertent loss  
of the current Man Overboard  
position.  
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The Man Overboard symbol is  
also placed on the map screen  
in the appropriate location. You  
can use the map screen to navi-  
gate to the Man Overboard loca-  
tion, if you so desire.  
To stop the unit from showing  
navigation to the man overboard  
position, see the Cancel Naviga-  
tion section below.  
Remember, saving the victim is the primary goal.Try all options to rescue  
the person immediately after the accident happens. Training and educa-  
tion are also good accident preventatives.The Coast Guard has excellent  
safety courses. Instruct all members on board your boat on safety proce-  
dures before leaving the dock. Make certain all on board know what to do  
before an emergency occurs.  
CANCEL NAVIGATION  
This unit continues to navigate to a recalled waypoint, the last waypoint in  
a route, a man overboard position, or the cursor position until you stop it.  
To stop the navigation function, press the MENU key twice, then select  
“Cancel Navigation”. The unit stops showing navigation information.  
ROUTES  
You can connect several waypoints together to form a route. When you  
recall the route, the unit shows navigation information to the first waypoint  
in the route, then when you reach that waypoint, it switches to the next  
waypoint, and so on until you reach the last waypoint in the route.  
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Create a Route  
To create a route, first press the  
MENU key twice, highlight the  
“Route Planning” label, and  
press the ENT key. The screen  
shown at right appears.  
This unit can store up to 100  
routes.To create a route, highlight  
“New Route” and press the ENT  
key.The screen at right appears.  
The route’s name appears at the  
upper left corner of the screen.  
Select it to change the name, if  
desired.  
Now press the down arrow key  
until “Waypoints” is highlighted.  
Now press the ENT key. “End of  
route” is highlighted. Press the  
ENT key again. The “Edit Route  
Waypoints” menu appears as  
shown at right. You can add  
waypoints to the route from the  
map or from the waypoint list. In  
this example, we chose to add  
from the waypoint list. Selecting  
“Add Waypoint” brings up the  
“Find Waypoint” screen shown at  
right.  
To add saved waypoints to the  
route, select “Saved” from the  
Subcategory list.To create a new  
waypoint for the route, select  
“New”. In this example, we’re us-  
ing previously saved waypoints,  
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so “Saved” was chosen. A new  
menu appears, letting you  
choose from the list of names or  
from the nearest waypoint to your  
present position.In this example,  
“Name” was chosen. The screen  
at right appears.  
Select the first waypoint for the  
route from the list and press the  
ENT key. The screen at right ap-  
pears.  
Data for the selected waypoint  
shows on the left side of the  
screen. “Add To Route” is high-  
lighted. To add this waypoint to  
the route, simply press the ENT  
key. The unit returns to the “Edit  
Route” screen with the first  
waypoint shown in the list as  
shown at right.  
To add another waypoint to the  
list, first highlight “End of route”  
and press the ENT key. (Note: if  
you do not highlight “End of  
route”, the unit will place each  
waypoint that you select in front  
of the previous one, instead of  
after. This will result in a list of  
waypoints that’s reversed from  
the desired list.) The “Edit Route  
Waypoints” menu reappears.  
Continue selecting waypoints  
until all of the waypoints for the  
route have been chosen. When  
you’re finished making the route,  
press the EXIT key to erase the  
menus.  
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Follow a Route  
To navigate a route, press the  
MENU key twice, then select  
“Route Planning”. Using the ar-  
row keys, highlight “Saved  
Routes” and press the ENT key.  
Select the desired route from the  
list. The “Edit Route” screen ap-  
pears next.  
Now highlight “Navigate” and  
press the ENT key. The unit  
imediately begins showing navi-  
gation data to the first waypoint  
in the route. Once you reach the  
first waypoint, it will automatically  
switch to the second waypoint  
and so on, until you reach the last  
waypoint in the route.The unit will  
continue to show navigation data  
to the last waypoint in the route  
until you select “Cancel Naviga-  
tion” from the second main menu  
page.  
GPS Simulator  
The GPS simulator lets you use  
the unit as if a GPS module was  
attached. You can set the start-  
ing location in latitude/longitude  
(Starting Position) or from a  
stored waypoint location (Select  
Starting Waypoint).You can steer  
your position on the map by us-  
ing the arrow keys (Steer With  
Arrows) or by setting the track  
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and speed in the boxes provided on simulator screen. The altitude is also  
adjustable.  
To use the GPS simulator, press the MENU key twice, than select “GPS  
Setup”, then “GPS Simulator”. The screen at the bottom of the previous  
page appears. Make the desired settings, then turn the simulator on by  
highlighting the “Simulator On” box and pressing the ENT key. Press the  
EXIT key to erase this menu. A message appears periodically, warning  
you that the simulator is on. Repeat the above steps or turn the unit off to  
turn the simulator off.  
GPS SETUP  
Items found under the GPS Setup  
menu include initialization, (cov-  
ered at the beginning of this  
manual), position format, datums,  
and more. To use any of these  
features, first press the MENU  
key twice, highlight “GPS Setup”  
and press the ENT key. The  
screen shown at right appears.  
Coordinate System  
This unit can show the position in degrees, minutes, and thousandths of a  
minute (36° 28.700') or degrees, minutes, seconds, and tenths of a sec-  
ond (36° 28' 40.9"). It can also show position in UTM (Universal Trans-  
verse Mercator) projection, Loran TD’s, German, Taiwan, British, Irish,  
Swedish, Swiss, Finnish, New Zealand, and Military Grid.  
To change the coordinate system, select it from the “GPS System” menu.  
The screen shown below appears.  
UTM’s are marked on USGS to-  
pographic charts.This system di-  
vides the Earth into 60 zones,  
each 6 degrees wide in longitude.  
German, Taiwan, British, Irish,  
Swedish, Swiss, New Zealand,  
and Finnish grid systems are the  
national coordinate system used  
only in their respective countries.  
In order to use these grid sys  
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tems, you must be in the respective country.This unit will pick the match-  
ing datum for you when you select the grid. See the Datums section for  
more information.  
The military grid reference system (MGRS) uses two grid lettering  
schemes, which are referred to as standard and alternate MGRS on this  
unit.Your position and datum in use determines which one to use. If you  
use standard, and your position is off significantly, then try the alternate.  
Note:When the position format is changed, it affects the way all positions  
are shown on all screens. This includes waypoints.  
Some screens have two position displays, standard, which is also shown  
on all other position displays, and alternate.The alternate position can be  
programmed to show your present position in a different format than the  
upper position. For example, you can show latitude/longitude and UTM’s  
at the same time.  
To change the coordinate sys-  
tem, press the ENT key while  
“Coordinate System” is high-  
lighted. Press the up or down ar-  
row keys to highlight the desired  
format. Press the ENT key to se-  
lect it. Press the EXIT key to  
erase the menus.  
Note: If the Loran TD conversion  
is chosen, you must enter the lo-  
cal loran chain identification for  
the master and slaves.Do this by  
selecting “Setup LoranTD” at the  
bottom of the “Coordinate Sys-  
tem” menu and select the ID.  
Press the EXIT key to erase this  
menu.  
Map Fix  
Map Fix is used with charts or  
maps.This system asks for a ref-  
erence position in latitude/longi-  
tude, which you take from a marked location on the map. It then shows  
the present position as distance on the map from that reference point. For  
example, if it shows a distance of UP 4.00” and LEFT 0.50”, you then  
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measure up four inches and to the left a half-inch from the reference point  
on the map to find your location.  
To use this format, you need to follow these steps in order. First, take your  
map of the area and determine a reference latitude/longitude. (Note: in  
order for this system to work, the latitude/longitude lines must be parallel  
with the edge of the map. USGS maps are parallel, others may not be.  
Also, this works better with smaller scale maps.) The reference position  
can be anywhere on the map, but the closer it is to your location, the  
smaller the numbers will be that you’ll have to deal with.  
Once you’ve decided on a reference position, you can save it as a waypoint.  
See the waypoint section for information on saving a waypoint. Save the  
reference position as a waypoint. Exit from the waypoint screens.  
Now select “Configure Map Fix”  
from the “Coordinate System”  
menu. The screen at right ap-  
pears.“Map Scale”is highlighted.  
Press the right arrow key. Enter  
the map’s scale.This is generally  
at the bottom of the paper map.  
It’s shown as a ratio, for example  
1:24000. The unit returns to the  
Configure Map Fix screen. Now  
select “Select Origin Waypoint” if  
you saved the reference point as  
a waypoint or highlight the Lati-  
tude or Longitude under the “Origin” and enter the reference position. If  
you used “Select OriginWaypoint”, then select the waypoint that you saved  
the reference point under.The unit returns to the Configure Map Fix menu.  
Finally, press the EXIT key to erase this menu. Now select "Map Fix” from  
the list and press the ENT key. All position information now shows as a  
distance from the reference point you chose.  
Datum  
Maps and charts are based on a survey of the area that’s covered by the  
map or chart. These surveys are called “Datums”. Maps that are created  
using different datums will show the same latitude/longitude in slightly  
different locations.  
All datums are named.The GPS system is based on the WGS-84 datum,  
which covers the entire world. Other datums may also cover the entire  
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world, or just a small portion. By default, your position shows using the  
WGS-84 datum. However, it can show your position using one of 191  
different datums.  
To change the datum, first press  
the MENU key, then highlight the  
“GPS Setup” label and press the  
ENT key. Now highlight the “Map  
Datum” label. Finally, press the  
ENT key again. A screen similar  
to the one at right appears.  
The “WGS-84 - Default” label is  
highlighted. To change it, simply  
press the up or down arrow keys  
to highlight the desired datum, then press the ENT key. This selects the  
datum and erases the select datum menu.  
A list of the datums used by this unit is in the back of this manual.  
Position Pinning  
When using a GPS receiver at extremely low speeds, it can have trouble  
determining your course over ground, or direction you’re travelling.  
If you’re using this receiver without DGPS and stop, the position pinning  
feature locks the present position indicator on the plotter until you’ve moved  
a short distance or exceed a very slow speed.This prevents the “wander-  
ing” plot trail seen when you’re stopped with position pinning turned off.  
This also affects the navigational displays.  
The easiest way to see the wandering is to stand still with the GPS re-  
ceiver turned on and watch your plot trail with position pinning turned off.  
You’ll see the present position change, speed increase and decrease,  
and a random plot trail on the plotter’s screen.  
If you wish to turn the position  
pinning feature off, press the  
MENU key, then highlight the  
“GPS Setup” label and press the  
right arrow key. Now highlight the  
“Position Pinning” label. Finally,  
press the ENT key. Reverse the  
above steps to turn it on again.  
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ALARMS  
This unit has several GPS alarms. (Sonar alarms are covered in the  
sonar section of this manual.)You can set an arrival alarm to flash a warn-  
ing message and sound a tone when you cross a preset distance from a  
waypoint. For example, if you have the arrival alarm set to .1 mile, then  
the alarm will flash a message when you come within .1 mile of the re-  
called waypoint. The course deviation indicator alarm (CDI) can warns  
when your track drifts too far to the right or left of the course line to the  
waypoint. For example, if the alarm is set to .1 mile, then the alarm flashes  
a message if you drift .1 of a mile or more to the right or left of the line to  
the waypoint. The anchor alarm is triggered when you drift outside of a  
preset radius. Again, using the .1 mile as an example, if you’re anchored  
and your boat moves more than .1 of a mile, the alarm will flash a mes-  
sage and sound a tone.  
To use any of these alarms, first  
press the MENU key twice, then  
select the “Alarms” menu. Next,  
select “GPS Alarms”. A screen  
similar to the one shown at right  
appears. Press the up or down  
arrow key to select the desired  
alarm, then press the ENT key to  
turn it on or off.  
To adjust an alarm’s distance,  
highlight the alarm’s “Distance” menu, then press the ENT key to select it.  
Use the arrow keys to increase or decrease the alarm’s distance.  
When you’re finished, press the EXIT key to erase this menu.  
Important Alarm Notes:  
Anchor Alarm - Since civilian users don’t receive the accuracy given to  
military users, the anchor alarm may be triggered even when you’re sit-  
ting still. This typically happens when using small (less than .05 mile)  
anchor alarm ranges. If you have a DGPS beacon receiver connected to  
this unit, smaller ranges may be usable.  
Arrival Alarm - If you set the arrival alarm’s distance to a small number,  
and you run a route (see the routes section), this unit may not show navi-  
gation data to the next waypoint, once you arrive at the first one, since  
you may not be able to come close enough to the first waypoint to trip the  
arrival alarm.  
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SONAR 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. Measure the battery voltage at the unit’s power connector. It should be  
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.  
Unit freezes, locks up, or operates erratically:  
1. Electrical noise from the boat’s motor, trolling motor, or an accessory  
may be interfering with the sonar unit. Rerouting the power and trans-  
ducer 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 both the transducer and power connectors. Make certain both  
are securely plugged in to the unit.  
Weak bottom echo, digital readings erratic, or no fish signals:  
1. Make certain transducer is pointing straight down. Clean the face of the  
transducer. Oil, dirt, and fuel can cause a film to form on the trans-  
ducer, reducing its effectiveness. If the transducer is mounted inside  
the hull, be sure it is shooting through only one layer of fiberglass and  
that it is securely bonded to the hull. Do NOT use RTV silicone rubber  
adhesive or Marinetex  
2. Electrical noise from the boat’s motor can interfere with the sonar.This  
causes the sonar to automatically increase its Discrimination or noise  
rejection feature. This can cause the unit to eliminate weaker signals  
such as fish or even structure from the display.  
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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  
causes the sonar to automatically increase its Discrimination or noise  
rejection feature. This can cause the unit to eliminate weaker signals  
such 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.  
2.The sensitivity may not be high enough. In order for the unit to display a  
fish arch, it has to be able to receive the fish’s echo from the time it  
enters the cone until it leaves. If the sensitivity is not high enough, the  
unit shows 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 will have much better luck seeing fish arches with a 30 to 60 foot  
range than a 0 to 60 foot range. This enlarges the targets, allowing the  
display to show 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 screen as  
straight horizontal lines.  
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NOISE  
A major cause of sonar problems is electrical noise.This usually appears  
on the sonar’s display as random patterns of dots or lines.In severe cases,  
it can completely cover the screen with black dots, or cause the unit oper-  
ate erratically, or not at all.  
To eliminate or minimize the effects of electrical noise, first try to deter-  
mine 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 the sonar unit 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  
on the VHF radio and transmit. Keep doing this until all electrical equip-  
ment has been turned on, their effect on the sonar display noted, then  
turned off.  
If you find noise interference from an electrical instrument, trolling motor,  
pump, or radio, try to isolate the problem. You can usually reroute the  
sonar unit’s power cable and transducer cable away from the wiring that  
is causing the interference.VHF radio antenna cables radiate noise when  
transmitting, so be certain to keep the sonar’s wires away from it.You may  
need to route the sonar unit’s power cable directly to the battery to isolate  
it from other wiring on the boat.  
If no noise displays on the sonar unit from electrical equipment, then make  
certain everything except the sonar unit is turned off, then start the en-  
gine. Increase the RPM with the gearshift in neutral. If noise appears on  
the display, the problem could be one of three things; spark plugs, alter-  
nator, or tachometer wiring. Try using resistor spark plugs, alternator fil-  
ters, 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  
limited experience make hasty sonar installations which function perfectly  
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 the transducer instructions for the best  
mounting position.  
61  
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LOWRANCE ELECTRONICS, INC  
FULL ONE-YEAR WARRANTY  
“We”, “our”, or “us” refers to LOWRANCE ELECTRONICS, INC, the manufacturer of this  
product. “You” or “your” refers to the first person who purchases this product as a con-  
sumer item for personal, family, or household 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 reason-  
able 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 identical or reasonably equivalent to this product, at our option, within a rea-  
sonable time after 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-CON-  
FORMITY CONCERNING THE PRODUCT OR FOR ANY LOSS OR DAMAGE RESULT-  
ING FROM ANY OTHER CAUSE WHATSOEVER. WE WILL NOT UNDER ANY CIRCUM-  
STANCES BE LIABLE TO ANYONE FOR ANY SPECIAL, CONSEQUENTIAL, INCIDEN-  
TAL, OR OTHER INDIRECT DAMAGE OF ANY KIND.  
Some states do not allow the exclusion or limitation of incidental or consequential dam-  
ages, 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 con-  
nected, installed, combined, altered, adjusted, or handled in a manner other than accord-  
ing 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 re-  
sulted from any accident, misuse, negligence, or carelessness, or from any failure to pro-  
vide 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, INC.  
12000 EAST SKELLY DRIVE  
TULSA, OKLAHOMA 74128  
800-324-1356  
62  
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DATUMS  
WGS 1984  
Default  
Astro Tern Island (FRIG) 1961 -  
Tern Island  
European 1950  
Mean for Austria, Denmark,  
France, West Germany,  
Netherlands, Switzerland  
Adindan  
Mean for Ethiopia, Sudan  
Astronomical Station 1952 - Marcus  
Island  
European 1950  
Adindan  
Burkina Faso  
Australian Geodetic 1966 - Australia  
& Tasmania  
Mean for Iraq, Israel, Jordan,  
Lebanon, Kuwait,  
Saudi Arabia, Syria  
Adindan  
Cameroon  
Australian Geodetic 1984 - Australia  
& Tasmania  
European 1950  
Cyprus  
Adindan  
Ethiopia  
Ayabelle Lightlhouse - Djibouti  
European 1950  
Egypt  
Bellevue (IGN) - Efate & Erromango  
Islands  
Adindan  
Mali  
European 1950  
Bermuda 1957 - Bermuda  
Bissau - Guinea-Bissau  
England, Channel Islands, Ireland,  
Scotland, Shetland Islands  
Adindan  
Senegal  
European 1950  
Finland, Norway  
Adindan  
Sudan  
Bogota Observatory - Colombia  
Bukit Rimpah - Indonesia (Bangka &  
Belitung Islands)  
European 1950  
Greece  
Afgooye  
Somalia  
Camp Area Astro - Antarctica  
(McMurdo Camp Area)  
European 1950  
Iran  
Ain el Abd 1970  
Bahrain  
Campo Inchauspe - Argentina  
European 1950  
Italy (Sardinia)  
Ain el Abd 1970  
Saudi Arabia  
Canton Astro 1966 - Phoenix  
Islands  
European 1950  
(Sicily)  
Anna 1 Astro 1965  
Cocos Islands  
Cape - South Africa  
Cape Canaveral - Bahamas, Florida  
Carthage - Tunisia  
European 1950  
Malta  
Antigua Island Astro 1943  
Antigua (Leeward Islands)  
Ireland 1965  
Ireland  
Arc 1950  
Mean for Botswana, Lesotho,  
Malawi, Swaziland, Zaire, Zambia,  
Zimbabwe  
Switzerland  
ISTS 061 Astro 1968  
South Georgia Islands  
Chatham Island Astro 1971  
New Zealand (Chatham Island)  
Arc 1950 - Botswana  
Arc 1950 - Burundi  
Arc 1950 - Lesotho  
Arc 1950 - Malawi  
Arc 1950 - Swaziland  
Arc 1950 - Zaire  
ISTS 073 Astro 1969  
Diego Garcia  
Chua Astro  
Paraguay  
Johnston Island 1961  
Johnston Island  
Corrego Alegre  
Brazil  
Kandawala  
Sri Lanka  
Dabola  
Guinea  
Kerguelen Island 1949  
Kerguelen Island  
Djakarta (Batavia)  
Indonesia (Sumatra)  
Arc 1950 - Zambia  
Arc 1950 - Zimbabwe  
Kertau 1948  
West Malaysia & Singapore  
DOS 1968  
New Georgia Islands  
(Gizo Island)  
Kusaie Astro 1951  
Caroline Islands  
Arc 1960 - Mean for Kenya,  
Tanzania  
Easter Island 1967  
Easter Island  
L.C. 5 Astro 1961  
Ascension Island 1958 - Ascension  
Island  
Cayman Brac Island  
European 1950  
Mean for Austria, Belgium,  
Denmark, Finland, France,  
West Germany, Gibralter, Greece,  
Italy, Luxembourg, Netherlands,  
Norway, Portugal, Spain, Sweden,  
Switzerland  
Leigon  
Ghana  
Astro Beacon E 1945 - Iwo Jima  
Astro DOS 71/4 - St Helena Island  
Liberia 1964  
Liberia  
63  
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DATUMS  
North American 1927  
Alaska  
Ordinance Survey  
Luzon  
Philipines  
(Excluding Mindanao)  
Great Britain 1936 - Mean for  
England, Isle of Man, Scotland,  
Shetland Islands, Wales  
North American 1927  
Bahamas  
Luzon  
(Except San Salvador Island)  
Ordinance Survey  
Philipines (Mindanao)  
Great Britian 1936 - England  
North American 1927  
Bahamas (San Salvador Island)  
Mahe 1971  
Mahe Island  
Ordinance Survey  
Great Britian 1936 - England,  
Isle of Man, Wales  
North American 1927  
Massawa  
Canada (Alberta, British Columbia)  
Ethiopia (Eritrea)  
Ordinance Survey  
North American 1927  
Canada (Manitoba, Ontario)  
Great Britian 1936 - Scotland,  
Shetland Islands  
Merchich  
Morocco  
North American 1927  
Canada (New Brunswick,  
Newfoundland, Nova Scotia,  
Quebec)  
Ordinance Survey  
Great Britian 1936 - Wales  
Midway Astro 1961  
Midway Islands  
Pico de las Nieves  
Canary Islands  
Minna  
Cameroon  
North American 1927  
Canada (Northwest Territories,  
Saskatchewan)  
Pitcairn astro 1967  
Pitcairn Island  
Minna  
Nigeria  
North American 1927  
Canada (Yukon)  
Point 58  
Sweden  
Montserrat Island Astro 1958  
Montserrat  
(Leeward Islands)  
North American 1927  
Canal Zone  
Santo (DOS)  
M’Poraloko  
1965 Espirito Santo Island  
Gabon  
North American 1927  
Cuba  
Nahrwan  
Oman (Masirah Island)  
Sao Braz  
Azores (Sao Miguel,  
Santa Maria Islands)  
North American 1927  
Nahrwan  
Greenland (Hayes Peninsula)  
Saudi Arabia  
Sapper Hill 1943  
North American 1927  
Mexico  
East Falkland Island  
Nahrwan  
United Arab Emirates  
Schwarzeck  
Nambia  
North American 1983  
Naparima BWI  
Alaska, Canada, CONUS  
Trinidad & Tobago  
Selvagem Grande  
Salvage Islands  
North American 1983  
Central America, Mexico  
North American 1927  
Mean for Antigua, Barbados,  
Barbuda, Caicos Islands, Cuba,  
Dominican Republic, Grand  
Cayman, Jamaica,  
SGS 85  
Soviet Geodetic System 1985  
Observaorio Metereo 1939  
Azores (Corvo & Flores Islands)  
South American 1969  
Turks Islands  
Old Egyptian 1907  
Egypt  
Mean for Argentina, Bolivia,  
Brazil, Chile, Colombia, Ecuador,  
Guyana, Paraguay, Peru,  
Trinidad & Tobago, Venezuela  
North American 1927  
Mean for Belize, Costa Rica,  
El Salvador, Guatmala, Honduras,  
Nicaragua  
Old Hawaiian  
Mean for Hawaii, Kauai,  
Maui, Oahu  
South American 1969  
Argentina  
North American 1927  
Mean for Canada  
Old Hawaiian  
Hawaii  
South American 1969  
Bolivia  
North American 1927  
Mean for CONUS  
(Continental United States)  
Old Hawaiian  
Kauai  
South American 1969  
Brazil  
Old Hawaiian  
Maui  
North American 1927  
South American 1969  
Chile  
Mean for CONUS (East of  
Mississippi River) including  
Louisiana, Missouri, Minnesota  
Old Hawaiian  
Oahu  
South American 1969  
Colombia  
North American 1927  
Mean for CONUS  
(West of Mississippi River)  
Oman  
Oman  
South American 1969  
Ecuador  
64  
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DATUMS  
South American 1969  
Ecuador (Baltra, Galapagos)  
South American 1969  
Guyana  
South American 1969  
Paraguay  
South American 1969  
Peru  
South American 1969  
Trinidad & Tobago  
South American 1969  
Venezuela  
South Asia  
Singapore  
Tananarive Observatory 1925  
Madagascar  
Timbalai 1948  
Brunei, East Malaysia  
(Sabah, Sarawak)  
Tokyo  
Mean for Japan, Korea, Okinawa  
Tokyo  
Japan  
Tokyo  
Korea  
Tokyo  
Okinawa  
Tristan Astro 1968  
Tristan da Cunha  
Viti Levu 1916  
Fiji (Viti Levu Island)  
Wake  
Eniwetok 1960  
Marshall Islands  
Wake Island Astro 1952  
Wake Atoll  
WGS 1972  
Global Definition  
Yacare  
Uruguay  
Zanderij  
Suriname  
65  
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LOWRANCE DATABASES LICENSE AGREEMENT  
THIS IS A LEGAL AGREEMENT BETWEEN THE END-USER WHO  
FIRST PURCHASES THIS PRODUCT AS A CONSUMER ITEM FOR  
PERSONAL, FAMILY, OR HOUSEHOLD USE (“YOU”) AND LOW-  
RANCE ELECTRONICS, INC., THE MANUFACTURER OF THIS  
PRODUCT. (“WE”, “OUR”, OR “US”). USING THE PRODUCT ACCOM-  
PANIED BY THIS LICENSE AGREEMENT CONSTITUTES ACCEP-  
TANCE OF THESE TERMS AND CONDITIONS.  
1. This License Agreement applies to the one or more databases that  
your product may contain. We refer to these singly as a “Database”  
and together as the “Databases.”Your product may thus include the  
“WBS Database” which contains worldwide background surface  
mapping data, the “SmartMap Database” which contains inland  
mapping data, or other Databases.  
2. The Databases that your product may contain are licensed, not sold.  
We grant to you the nonexclusive, nonassignable right to use these  
Databases for supplemental navigation reference purposes, but only  
as long as you comply with the terms and conditions of this License  
Agreement. We reserve the right to terminate this license if you  
violate any aspect of this License Agreement.You are responsible for  
using official government charts and prudent navigation for safe  
travel.  
3. The Databases housed in your product are protected by the copy-  
right notices appearing on the product or its screen(s).You may NOT  
modify, adapt, translate, reverse engineer, decompile, disassemble,  
rent, lease, or resell any Database, and you may NOT create  
derivative works based upon any Database or its contents.. Any  
unauthorized reproduction, use, or transfer of a Database may be a  
crime and may subject you to damages and attorney fees.  
4. This License Agreement will terminate immediately without prior  
notice from us if you fail to comply with or violate any of the provi-  
sions of this Agreement. Upon termination, you will promptly return  
all products containing one or more Databases to us.  
5. Prices and programs are subject to change without notice.  
6. This License Agreement shall be governed by the laws of the State  
of Oklahoma and comprises the complete and exclusive under-  
standing between you and us concerning the above subject matter.  
66  
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DATABASES LIMITED WARRANTY  
“We”, “our”, or “us” refers to Lowrance Electronics, Inc., the manufacturer of this  
product. “You” or “your” refers to the first person who purchases the product as a  
consumer item for personal, family, or household use. The Databases Limited Warranty  
applies to the one or more databases that your product may contain. We refer to each of  
these as a “Database” or together as the “Databases.” Your product may thus include the  
“WBS Database” which contains worldwide background surface mapping data, the  
“SmartMap Database” which contains inland mapping data, or other Databases.  
We warrant to you that we have accurately compiled, processed, and reproduced the  
portions of the source material on which the Databases are based. However, we are  
under no obligation to provide updates to the Databases, and the data contained in the  
Databases may be incomplete when compared to the source material. WE MAKE NO  
EXPRESS OR IMPLIED WARRANTY OF ANY KIND ABOUT THE ACCURACY OF THE  
SOURCE MATERIAL ITSELF, INCLUDING BUT NOT LIMITED TO IMPLIED WARRAN-  
TIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
If there is a defect in any Database, your exclusive remedy shall be, at our option, either  
a refund of the price you paid for the product containing the defective Database or a  
replacement of such product. WE WILL NOT UNDER ANY CIRCUMSTANCES BE  
LIABLE TO ANYONE FOR ANY SPECIAL, CONSEQUENTIAL, INCIDENTAL, OR  
OTHER INDIRECT 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.  
Your remedies under this warranty will be available so long as you can show in a  
reasonable manner that the defect occurred within one (1) year from the date of your  
original purchase, and we must receive your warranty claim no later than 30 days after  
such 1-year period expires. Your claim must be substantiated by a dated sales receipt or  
sales slip.  
67  
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Saving and Replaying a Sonar Record  
To save a sonar chart:  
1.Press the MENU key.  
2.Select “Sonar Chart Logging”.  
The screen at right appears.  
3.To save the chart as “Chart  
1”, select “Start Logging” and  
press the ENT key. If you  
want to use a different file  
name, select “File Name” and  
name a new file. The Sonar  
Chart Logging menu is  
erased.  
4.The unit records the current  
sonar data to the MMC.  
5.To stop recording, select “Sonar Chart Logging” as shown above.  
Select “Stop Logging” from the menu. The menu is erased and the  
unit stops logging the chart data.  
To replay a sonar chart:  
1.Press the MENU key twice.  
2.Select “Sonar Setup”.  
3.Select “Sonar Simulator”.  
4.Select “Chart Used” and  
choose the file name that you  
used when the chart was  
saved. In this example, it’s  
“Chart 1.slg”.  
5.Select “Sonar Simulator On”.  
The unit will switch to the  
simulator mode, reading the  
chart data from the file that you saved on the MMC.  
68  
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Transferring GPS Data to/from a MMC  
To transfer waypoints, routes,  
icons, and plot trails from this unit  
to a MMC, press the MENU key  
twice, then select “System  
Setup”. Next, select “Transfer My  
Data”. The screen at right ap-  
pears.  
All data with check marks next to  
their labels will be transferred to  
the MMC. If you don’t want a par-  
ticular set of data to be transferred (for example: Icons), simply select it  
with the arrow keys, then press the ENT key.  
Select “Save Data” and press the ENT key. This copies the data from the  
unit to the MMC.  
To transfer data from the MMC to the unit, follow the above steps, but  
select “Load Data”.  
69  
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70  
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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 techni-  
cian 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.  
800-661-3983  
905-629-1614  
Canada Only.  
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 ad-  
dress, and a daytime telephone number.  
Shipping Information  
When sending a product for repair, we recommend you 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 responsibility 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 equip-  
ment should be able to assist you with these items. Consult your local telephone  
directory for listings.  
2. Canadian customers only can write:  
Lowrance/Lowrance Canada, 919 Matheson Blvd., E. Mississauga, Ontario L4W2R7  
or fax 905-629-3118  
71  
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How to Obtain Service (U.S.A. Only)  
We back your investment in quality products with quick, expert service  
and genuine Lowrance® replacement parts. If you’re in the United States  
and you have questions, please contact the Factory Customer Service  
Department 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 (shown  
above).Use the following toll-free number:  
800-324-1356  
U.S.A.only. Monday through Friday, except holidays.  
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  
unit and accessories packed with the unit at the factory. There is a 180-  
day warranty on all non-warranty repairs from the factory, which is similar  
to the original warranty, but is for 180 days rather than one year. For fur-  
ther details, please call us at the above number.  
Remember, non-warranty repairs are subject to Lowrance’s published flat-  
rate charges and 180-day warranty.  
LOWRANCE ELECTRONICS, INC  
12000 E. SKELLY DRIVE  
TULSA, OK 74128  
800-324-1356  
http://www.lowrance.com  
Accessory Ordering Information  
To order accessories such as power cables or transducers, please con-  
tact:  
1)Your local marine dealer. Most quality dealers that handle marine elec-  
tronic 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.)  
or see their website at http://www.lei-extras.com  
LITHO IN U.S.A.  
988-0133-49  
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