GlobalNav II

INSTALLATION AND OPERATION INSTRUCTIONS

LITHO IN U.S.A.

988-0129-11
LOWRANCE ELECTRONICS, INC.
12000 E. SKELLY DR., TULSA, OK 74128
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NOTES:

WARNING!
USE THIS GPS RECEIVER ONLY AS AN AID TO NAVIGATION. A CAREFUL NAVIGATOR NEVER RELIES ON ONLY ONEMETHOD TO
OBTAIN POSITION INFORMATION.

CAUTION

This GPS receiver, (like all OPS navigation equipment) will show the shortest,mostdirect path to a waypoint. It provides navigation data to the waypointregardless of obstructions. Therefore, the prudent navigator will not onlytakeadvantage of all available navigation toolswhentravelling to a waypoint, butwill also visually checktomake certain aclear, safepath to thewaypoint is alwaysavailable.

NOTICE!

As of this writing, the Department of Defense (DOD) hasnot declared the
GPSnavigation systemoperational. The system is still in a testing phase. Satellites can be turned off or accuracy can be degraded at will by the the systemoperators. Rememberthat GlobalNav II, or any GPS receiver is only as accurate as the systemit's using.
Copyright 1993 LowranceElectronics All rightsreserved.
All featuresand specifications subjectto change withoutnotice. All screens in this manual are simulated.

NOTE&

INTRODUCTION MOUNTING

TABLE OF CONTENTS

BRACKErMOUNT
IN-DASH MOUNT POWER CONNECTIONS GPSMODULE INSTALLATION KEYBOARD

GPS-HOWITWORKS

ACCURACY THELOWRANCE GPSMODULE GETTING STARTED INITIALIZATION CHANGE POSITION CHANGE ALTITUDE CHANGETIME CHANGE DATE COLD START POSITION/NAVIGATION DISPLAYS SATELLITE INFORMATION SCREEN POSITION SCREEN STEERING SCREEN CUSTOMIZE SCREENS PLOTTER PLOTTERCURSOR PLOTTING WITH A WAYPOINT PLOTTER MENUS PLOTTER MENU-PAGE1 CLEAR PLOT ICON ON/OFF CHANGE DISPLAY PLOTTER MENU - PAGE2 GOTO CURSOR PLOTTER UPDATE GRID LINES SELECTUNITSOFMEASURE BACK LIGHT ON/OFF EVENTMARKER USING THEEVENT MARKER WITH THECURSOR ERASING ICONS WINDOWS VIEWING WINDOWS OPTIONS MODIFYING GROUPS RESETTING ALLGROUPS WAYPOINT NAVIGATION HOW TO SAVE AWAYPOINT QUICKSAVE METHOD VIEWANDSAVE METHOD ENTER NEWWAYPOINT NAMEAWAYPOINT ERASEAWAYPOINT RECALL AWAYPOINT ROUTES CREATING A ROUTE

NAMEAROUTE

WAYPOINT SELECTION FOLLOWING AROUTE CANCEL NAVIGATION MODIFYING A ROUTE ERASINGAROUTE
GPSALARMS ARRI VALALARM XTE (CROSS TRACKERROR) ALARM
ANCHORALARM CHANGING GPSSE1TINGS
TABLE OF CONTENTS (cant.)

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PRESET MANOVERBOARD GPSMODULE SELF-TEST GPSSIMULATOR DISPLAY CONTRAST ADJUST BACKLIGHT LEVEL BACKLIGHTON/OFF SPEAKER VOLUME PCFOFFSET SYSTEM INFORMATION WINDOWS SUMMARY SPECIFICATIONS

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GlobalNav II GPS RECEIVER SPECIFICATIONS OPS Module Dimensions 2.5"H x 4.1 "W x 7" 0 Channels FiveParallel Four continuous for position All satellites in viewtracked Onesecond Update rate
Accuracy Position Velocity Maximum accuracy achievable with Standard Positioning Service 25 meters CEP 0.25 meters/sec RMS

WithoutSA PDOP<6.O

NMEA 0183 SENTENCES RMB Minimum Recommended Sentence, Part B RMC Minimum Recommended Sentence, Part C GLL Present Position - Latitude/Longitude APB AutopilotSteering Data

KEYBOARD

The keyboard haskeys arranged intwoverticalcolumnsplus ahorizontal rowat the bottom. Thekeys in the leftand right columns are usedto enter numbers, activatethe windowsfeature and menu selections. The menu key in the bottom right corner of the keyboardactivates the first menu page. The keys along the bottomof the screen are usedto activatethe eventmarkers or man overboard feature, and make menu selectionswith thearrow keys.

I LOWRANCE

GLOBALNAV 1

CUBBENT POSJTLOM

The GlobalNav II always shows navigation datato the position shown on the Man Overboard screen whenevertheMan Overboard key is pressed. To stoptheunitfrom navigating to the Man Overboard position, press the key nextto the "DISABLE MOB" label. This resets the Man Overboard navigtion. Forexample, suppose youare viewing the Position screen, and you press the Man Overboard key, then press the GPS key. The GlobalNavII first displays then stores your present position on the Man Overboard screen,then switches backtothe Position screen. Ifyou press the Man Overboard key again, it will still show navigation data to the positionyouwere in whenyoufirstpressedtheMan Overboard key- not yourpresent position. Repeated pressing oftheMan Overboard keydoes not repeatedlysaveyourpresent position! The unitonlysavestheposition the first time the Man Overboard key is pressed. To save a new Man Overboard oostion.you mustfirstcleartheold positionbypressincithe key
adiacent to the "DISABLE MOB" label.

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WAYPT RECALL

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PLOTTER STEER WINDOWS
GPS - Pressthis key to showthe PositionScreen.
PLOTTER - This key gives accessto the Plotter.
You can navigate to a waypoint using the Waypoint Recall feature, howeverwhen yougobacktotheMan Overboard screen, the GlobalNavl I stopsnavigating totherecalled waypoint and shownavigation data to the Man Overboard location.
Remember, saving the victim isthe primarygoal. Tryall options to rescue the person immediately afterthe accidenthappens. Trainingand education are also good accident preventatives. The Coast Guard has excellentsafety courses. Instruct all members on board your boat on safetyproceduresbefore leavingthedock.Make certain allon board know what to do before anyemergency occurs.
STEER- Press this key to showthe SteeringScreen. WINDOWS- This key gives youaccess to the windowsmode, whichlets youcustomize displays. MENU - Press this key to show the menus and gain access to most

functions

ALARM- Use this key to set the GPS alarms.
ROUTE - Save and recall routes using this key.
WAYPT SAVE- Pressing this key lets you save a waypoint.
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you'll either have to convert magnetic readings to true or use true

LOWRANCE

GLOBALNAV II

readings.

CIJ]IDENT POSITION
ROUTE M WAYPTSAVE CALL WAYPTRE

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The GlobalNav II candisplay navigation information in magnetic or true. When it's turnedon for thefirsttime magnetic is used. To switchto true, nressthe MFNIJ keywhilea GPSscreen isdisplayed. Next press thekey nextto the "Change GPS Settings" label. Nowpress the key next to the "Select Units of Measure" label. Now simply press the key next to the "Bearing" label.This moves theblackboxfrom"MAG" to "TRU." Pressthe key next to the "Exit" label whenyou're finished.

PRESET

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PLOTTER STflS WINDOWS

The Presetfeaturereturns all sonarandGPSunitstotheiroriginalfactory settings. This resets the units of measure, speakervolume, display contrast,and more. Thisdoesn'terase anywaypoints orroutes,however. To preset the unit, press the MENU key until the "Preset Unit?' label appears. Press the key nextto that label. The menu screen disappears and the GlobalNav II returns to the GPSposition screen. All units will be returned to their factory settings.
MAN OVERBOARD One ofboating's mostterrifyingevents ishaving afriendorfamilymember fall overboard. Thissituationcanbe deadly on anybodyofwater, fresh or salt. It'sparticularly dangerous at night or if you'reout of sightof land. Of course, the first thing to do is remain calm and try all standard safety measures totryand rescue theperson. Ifyoulose sightofthe person,you can usethe GlobalNav II to helpstart a search pattern.
WAYPTRECALL- Press thiskey to recall a waypoint. WAYPOINT QUICKSAVE- Press this key to instantly saveyour present

position.

EVENT MARKER - To mark a location on the plotter screen, use this

feature.

MAN OVERBOARD - Pressing this key instantly saves your present postion and switches the unit into a mode that shows navigation data to the lastsaved position. ARROWKEYS - These keys are used to makemenu selections and to move objectson the screen. CLR - This key clears menus and erases entries from the screen. ENT- This key is usedto enter numbers and make selections. ON - The ON key turns the GlobalNav II on OFF - Press and HOLDthe Off key to turn the GlobalNavII off.

the GlobalNav Ii's MAN OVERBOARD key. The screen shown below appears. Your position at the time you pressed the Man Overboard key isshowninthe top leftcornerof thedisplay. Beneath the positionisthetimethatyoupressed theMan Overboard key.At the bottom of the screen are the navigation datadisplaysshowing the Distance (DTG),Bearing (BRG), Course (COG), Speed Over Ground (SOG), and Time To Go (TTG) backto the postion at the top of the
Onceyou're backatthe helm afterinitial rescue efforts have failed,press
SELECTNMEA The GlobalNav II sends data out the white wire on the power cable according to standards set by the NMEA (National Marine Electronics Association). This allows the GlobalNav II to send position, depth, and navigation information to 'listener" units, such as charting instruments, autopilots, and other marine instruments. The GlobalNav II uses the following NMEA data protocols: NMEA 0180 and 0183. NMEA 0180 sends steeringinformation only. It's useful mainly for autopilots. NMEA 0183 sends position, steering, speed, and more. In order to use this onthepowercable mustbeconnectedtothe NMEA feature,thewhitewire data inputon the otherinstrument. Seetheinstallation section in thefront of this manual for wiring connection information. Onceyouconnectthewiring properly, theGlobalNav II mustbetoldwhich dataformattouse. Consuitthe owner'smanual ofthe 'istener"equipment to see whichformat it needs. Then setthe GlobalNav II as follows:
First, press the MENU key. Next, pressthe key nextto the "Change GPS Settings" label. Nowpress the key nextto the "Select NMEA" label.The screen shown below appears.
GPS - HOW IT WORKS TheGlobal PositioningSystem (GPS)isthebestapproach tonavigation that
haseverbeendevised. Conceived Defense(DOD)andthe bythe Departmentof UnitedStates military,theGPSsystem isan answertotheirneedsof hour global positioning, daysayear. Basically,thesystemworks by usingaconstellationofsatellitesorbiting Earth 11 ,000milesinspace.Therewillbe2l satellitesinorbitwhenthe system isfully operational.Three moresatelliteswillactasspares,foratotalof24.When all atleastfourofthemwill satellitesareinplace, beinviewnearlyanywhereonEarth twenty-fourhoursa day.TheGPS receiverrequiresat leastthree satellitesto give a"2D"fix. (A2Dfix isyourposition in latitude/longitude. A3Dfixisyour it latitude/longitude plus altitude.) When it locksontoatleastfoursatellites, displays a3Dfix.

The data format currently in useshows atthetopofthescreen. Press the II keynextto the desireddata output. The GlobalNav will return tothe last used GPS screen and send NMEA data out the white wire on the power cable.
It takes three satellites to determine position.
TRUE and MAGNETIC POSITION True and magnetic north are not alwaysthesame. True north is thetop of the world. It'swhereall lines of longitude converge. Magnetic north is thelocation ourcompasses point. Itliesseveralhundred milestothesouth of true north, at a location in Canada. Charts are usually laid out according to a Mercator projection that uses true north. If you plot a course on a chart usingthe Mercator projection,
Asthe receiverlocksontoeachsatellite, itcalculates the distance fromthe satellitebymeasuringthe lengthoftimeittakesthe radiosignalto reachit.Each satellite hasan extremelyaccurateclockthattellsthe receiverwhenthe radio transmission started. Thereceivercomparesthattimeagainst itsownclock, thusit knows how longittooktheradiosignal (travellingatthespeed of light!) to reach it. Ifyouknowtimeand speed,then youcancalculatedistance. Once youhavethisfromthree satellites,then the receivercandetermine position.
ACCURACY Youmayhave heardtalesof extraordinaryaccuracyfromGPSreceivers.The DOD requiresaccuracyof 1 Oto 15metersfromthesatellitesystem.However, onlythe militarygetsthisprecision.Thewaythemilitary keeps usandother unauthorized peoplefrom usingthe moreprecise systemis coding. Inother words,thedatacomingfromthesateiiitesisencrypted. CivilianaPSreceivers use"C/ACode." It'saccuracyisintentionallyworsethanthemilitary's"P Code." Inthismanner,civilianusersworldwidecan benefitfromexcellentpositionfixes. Meanwhile, the militarykeepsthe most accuratesystem awayfrom potential enemies. Theoretically, C/A code can giveaccurate positionfixes upto 15 meters. Thisismorethan adequateformost people. However (asofthis writing), the military isn'tsatisfied with C/A'spotential "Selective accuracy inthehands oftheworid. So, Ws degrading itfurtherwith Availabili orSA.Thisissmall,randomerrorsintentionallyaddedto system the so youraccuracywill typicallybe within 100 meters.Of course,accuracyalso dependsontheangleofthesatelliteabovethehorizon,signal-to-noise ratio,the numberofsatellitestrackedatonetime(themorethe better),andotherfactors. Thesmallestranges ontheplottermaynotbe usableifthe SAis high. The present position symbol canmove offthescreen even whileyou're sittingstill.
within.1 mile alarecalledwaypoint ifthe arrival alarm's settingis.1 mile. The alarm is adjustable from.01 to 9.9 miles. XTE ALARM The XTE (cross track error) alarm sounds a tone when your cross track error is greaterman the alarms setting. unangingtne XI h alarm also changesthe XTE range on the steering screen. The alarm is adjustable from 0.0to 9.9 miles.

GETTING STARTED

ARRIVAL ALARM The arrival alarm sounds a tone when your position is within thealarm's radius of a waypoint. For example, the alarm sounds if you come
This is the GPSsetup screen. H OOD.OdIIJ' The settings now in use are shownatthe top ofthedisplay. Ablackboxsurrounds the latitude box. If you're using the unit for the first time, these settingsare probablywrong for your position and time. To changeanyofthe numbers on this display, simply move the blackbox to the desired number using the arrow keys. As you move the box ,the label at thebottomofthe screenalso changes. For example, to change the time, press the downarrow until the black box is on the time. The label at the bottom of the screen now shows "Change Time".Pressthekeynexttothislabel. Thisletsyouchangethetime,using thenumberkeys atthetop oftheunit. See thefollowingpageson selling thedifferentitems on thisscreen.
Note: Ifyoudon't usethe"coldstart"feature, then youwill haveto change all of thesettingson this page to their correctvalues.In otherwords, you can't simplyenteryour presentposition and havetheunitfindthe correct values by itself.
IMPORTANT! Turning the arrival alarm off prevents the GlobalNav II from sequencing to the next waypoint in the route. This, in effect, turns the route off. However, the unitwill still show navigation datato thecurrentwaypoint in the route at thetime thearrival alarm was turned off.

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Use a chart to determine your position if you don't know it. The latitude!
longitudethatyou enterdoesn't havetobeextremely accurate. Typically, if you enter a position within one degree of your presentposition,theGlobalNav II should quickly find your actual latitude/longitude. To changeyour presentposition, first movetheblackboxto the LATITUDE box (if it isn't already there). Next, press the key nexttothe"CHANGE LAT" label.Thescreen shownat right appears. Next, simply enter your presentlatitude using the numbered keys. Noticethat the position entered is in degrees, minutes, and hundredths of a minute. (Not seconds!) Ifyou make a mistake, pressthe left or right arrow keys to move to the numberin the latitude that needs changing. Pressthe key nextto the "Latitude N 5" label to change the latitude from north to south, if necessary. Afterthe latitude hasbeen entered, pressthe key nextto the "Accept La? label.
CANCEL NAVIGATION To stoptheGlobalNav II from navigating to waypoint or navigating to a waypoint in a route, press the MENU key twice. Nowpressthe key next to the "CANCEL NAVIGATION" label. This stops all navigation.
NOTE: Canceling navigation does not erase the route or any waypoints from memory. It merely stopsthe GlobalNav II from navigating. MObIFYING
Anypartof aroutecanbechanged atanytime.Forexample, supposeyou have a routeconsistingof waypoints number 1,2, and 3 and youwishto change waypoint number 3 to waypoint number 5. Simply press the "ROUTE" key, then press the key next to the "Save/Edit Route" label. Using the keys nextto the "Increase" or "Decrease RTE#" labels, select the route numberthat you wishto change. Thelist of waypointsused in the route are shown beneath the route number and name.

Name a Route To assign a name to a route, press the key next to the "Increase RTE#" or "Decrease RTE#" labelto move through the list of routes. When the desired routenumberappears inthewindowatthetopofthescreen, press the downarrow key until the black boxmovestothe "Name" position. Now nrnc'o tine, Lien, nr,.,+ I., +1.,,., "rk,.,.-,," Ie,ke.l tin'' '-'S "-"'''"''-'.', 'a' '''''-'' ' '
appears next. Use the keys on both sides ofthescreen toenterthewaypoint name. For example, to name a route "REEF 1", press the WAYPT Routett 1 QUICKSAVE key repeatedly _____________________________ Kane :EEEJ1 until the letter "14" appears in SAD09 FCH IIJPTIt the window. Next, press the _____________________________ UPT U arrow key to move the _______________________________ lip, H n right USE THE ALPHA KEYS OR THENUMERIC blackbox to the next letter poII II 0 P KEYS TO MAKE YOUR CHANGES. PUSH EUENI MARKER TO "ACCEPT" THE sition. Now press the ROUTE CHANGE OR PUSH CLR TO "ABORT" The letter "E" appears on _______________________________ YOUR CHANGES. key. the screen. Use the number (IOU X Accept Kane keystoenternumbers. Repeat It LI 1UPT this process until the entire _______________jUPT It LI name has been written on the screen. Nowpress the keynext to the "Accept Name" label. The GlobalNav II returns to the route menu. You can now enterthe waypoints used in the route.
Ifthedata shown in digital numbers on anyscreen on this unitisflashing, then it means that data is invalid. Do not relyon that data if it is flashing. For example, if thepositiondisplayis flashing, then the unithas lostthe satellitesand hasn'tre-aquired them. The position that is flashingis your last known position, not your presentposition! Do not navigate with this unit until you havefound the reason the unit has lost the satellites!
Each ofthe following screens is available by pressing a key atthe bottom of the unit, exceptforthe satellite information screen A detailed descrip-
Waypoint Selection If you've nameda route, the blackboxshould be on the "0" at the top of the screen. If not, movetheblackboxtothe"O" usingtheup ordown arrow keys. Nowpressthe numbered key of the waypointyouwishto goto first intheroute. Forexample, ifyouwantwaypoint number 8 to be first, press the 8 key. If you'venamed the waypoint, it shows in the blankspacetothe right of the waypoint number. Next, pressthe key nextto the loLite It 1 lane REEF 1 "Accept" label. TheGlobalNav
II reverts to the menu shown above.

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tion of eachscreen follows.
SATELLITE INFORMATION SCREEN Thesatelliteinformation screen showstechnical dataabout eachsatellite inview. To seethis display, pressthe MENU key, then press the key next to the"SatelliteInformation" label. A screen similarto theone at the top of the nextpage appears.

The steering screen shows a pictorial view of your boat and course travelled. Thisiscalled aCourseDeviation lndicatororCDl.It also shows DistanceTo Go (DTG), Bearingto Waypoint (BRG), Route Name (RTE Name), Cross Track Error (XTE), Time To Go to Waypoint (TTG), and WaypointName (WFTName). Press the STEERkey to viewthis screen. Your present position is shown by the arrow. The arrow shows the direction the boatis heading relative tothe waypoint. Intheory,ifyousteer the boatwiththearrowalwayspointingtowards waypoint, then youwill the arrive at thewaypoint. Thesolid line extendingfrom arrowisyourtrack the or path you'vetaken. To travel direetlytoawaypoint, tryto keepthe arrow on the center line. Thewaypoint is depicted bya boxat thetopoftheCDI display. As you approach thewaypoint,the arrow and the boxwill move closer together. If you travel past the waypoint, the waypoint'sboxwill movetothe bottom of the display. The numbers on the top left side of the screen are distance markers, showingthe remaining distance to the recalled waypoint.If thenumbers have a blackboxsurroundingthem,
Erase a Waypoint The Waypoint Erase feature lets you erase waypoints from the list. To erase a waypoint, first press the WAYPT SAVE key. Nowpress thekeynextto the "Increase WPT" or "Decrease WPT" label until the desired waypoint number appears on the screen. Simply press the key next to the "ERASE WPT" label. The
screen shown above appears. Amessage appears on thescreenthat says"WAIT!! DELETEWAYPOINT AREYOUSURE?." If youare certain this is the waypoint that youwishto erase,press the key nexttothe "YES"arrow. If not, pressthe key nextto the "NO" arrow. Press the key next to the "YES" arrow to erase all information fromthe displayed waypoint number.
Toexitfromthewaypoint savemenu,press thekey nexttothe "Exit"label. Recall a Waypoint You must recall a waypoint in orderto navigate to that position with the GlobalNav II. To recall a waypoint, first pressthe WAYPTRECALL key. The screen shown at thetop of the next page appears.
Enter New Waypoint Tosavea location otherthanyourpresent position, firstpress theWAYPT SAVE key. Using the up and down arrow keys, move the black boxdown to the latitude/longitude position. Nowpressthe down arrow key to the latitude position. Press the key next to the Change Latitude" label. The screen shown belowappears. Nowenterthe locationyouwish Pm: to save using the numbered keys. Usethe left arrow key as AT : i;._.j a backspace if you make a LON mistake. In otherwords, pressing the left arrow key moves the black boxoverthelastnumber entered. Notice that the

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KE'S TO MAKE YOUR CHANGES. PUSH
EVENT MARKER TO 'ACCEPT" THE CHANGE OR PUSH CLR TO 'ABORT" YOUR CHA) B.
black box moves to the 'NAME:" position. Now press

NORMAL DISPLAY

DISPLAY READY FOR CHANGE
theSpeed OverGround(500) display to XTE (Cross Track Error)bypressing theup arrow

key eight times.

In this example, we changed IF

CURIIENT POSITION

To changeanother digital display, press the left or right arrow key. The label in the next
digital displaybox changes as youpress thearrow key. Again, presstheup ordownarrowkey to change the display. BRG SOG DTG

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(Quick Save Feature) The GlobalNav II lets you saveyour presentposition as a waypoint with only one key press. This "Quick Save" feature lets you easilysave the position of a wreckor otherlocations. I U bVe yUui piebellt JUb1LIUI I db vvaypti It, bill piy JlCbb tile I QUICKSAVE key. The GlobalNav II takes your present position and assigns the first available waypoint number to it.

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The digital displaysavailable for use are:
Bearing Speed OverGround Distance To Go Destination Waypoint Present Position PresentAltitude Route Name WaypointName Time To Go Cross Track Error Local Time and Date Course OverGround Velocity Made Good
Saving Present Position - View and Save Method The"Quick Save"feature doesn'tlet youselectthewaypoint number.You have to usethenextavailable numberwhenusing thatmethod. TheView and Save method lets you pick the waypoint number that your present position is stored in. (Note: You can store a position undera waypoint number that already has a positionassigned to it using this method.) To saveyourpresentposition, presstheWAYPTSAVE key. Ascreen similar to the one below appears. The first waypoint number in the listappearsatthetop ofthe page. This is the number that your present position will be stored under. Your positionat the time you pressed the WAYPTSAVE key is shown in the "Current Position" box in the middle ofthe screen. If you wishto savethe location in the Current Position boxunderthis

Continue withthe windowselections until the screen is filled. The unitwill stayinthewindows mode usingyour new customized screen. If youdon't wantto fill a screen and only use one, two, or threewindowsin a group, This simplypressthe adjacenttothe"Stop"label. savesthegroupand key exits the modify windowsmode. Remember, you can always return to the full screen GPS mode by pressing the GPS, PLOTTER, or STEER key To switch backto your customized screenfromthefullscreenOPS,simplypresstheWINDOWS key. RESETTING ALL GROUPS To return all of the groupsto theirfactorysettingswithoutturningthe unit off and on again, pressthe WINDOWS key, then press the MENU key, then press the key adjacenttothe'MAIN MENU" label. Nowpressthekey adjacent to the "RE-PROGRAM A GROUP" label. Finally, press the key next to the "RESET ALL GROUPS" label. WAYPOINT NAVIGATION HOW TO SAVE A WAYPOINT to Waypoints are locations on theearth'ssurfacethatyouwish go orreturn to. Waypoints are useful for marking shipwrecks, hot fishing spots, and otherfishing or navigation locations. Storingwaypoint's in the GlobalNav il's memory makes it easy to return to any point in the world by simply pressing afew buttons. The GlobalNav II canstore upto 200 waypoints. You can store your presentpositionas awaypointorenterlatitudeAongitude

positions aswaypoints.

The flashing cross is your presentposition. The solid line is your track, or path you have justtraveled.Thelarge square is acompass rose marked with
North, South, East, and West, The square'sheight and width shows at the bottom of the screen. This is the distance from one side to the otherand from the top to the bottom, Yourpresentposition isshown at the top of thescreen

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lfyourpresentposition startstomoveoutsidethesquare, the GlobalNavil clearsthe display,then re-draws yourpresentposition closertothe center ofthescreen.Your present position will alwaysbe displayedontheplotter.
To clearthe plotterscreen, see the PlotterMenus section.
Ontheleftsideofthescreen belowthePresent Position boxarethe Speed OverGround (SOG), Distance To Go(DTG), and Bearing(BRG)digital displays. All ofthesedisplaysare used only whenawaypointis recalled, exceptCOG and Positioin which are alwaysactive. Thesedisplaysalso can be customized. See the PlotterMenus section for more detail. PLOTTERCURSOR The plotter cursor can help you determine the latitude/longitude of a waypoint oreventmarker. To useit, pressthe up or downarrowkeywhile the plotteris displayed. A screen similarto theone below appears. Two new lines appearon the screen. These are the plottercursor lines. The latitude/longitude position of the plottercursor- notyour presentposition showsat the top of the screen along with the distance and bearingfrom your present positionto the intersection of the cursorlines. Usethearrow keys to move the cursorlines to the

L:szii.
Forexample, youcanchange group "A" as shownabove by changing the window in the upper rightcornerto the Navigation Summary display as shown atleft. Onceyoumake the change, the GlobalNavII saves the change in memory so that it is always displayed whenyou choosegroup "A".
You can change the look of any group at anytime. Each group can be customized by following a few simple steps. To view the groups of windows,simplypresstheWINDOWS key. To switchout of the windows mode, simply press the GPS, PLOTTER, or STEER key. If youpressthe WINDOWS key again, the GlobalNav II will always return tothe lastgroup thatwasin usewhenyouswitchedoutof thewindows mode.Forexample, if youwere using group"C"and pressed the GPS key, then pressed the WINDOWS key, group "C" will show on the display.
27 PDF compression, OCR, web-optimization with CVISION's PdfCompressor
ingthe arrow keys. When it's at the desired location, pressthe EVENT MARKER key, then selectan icon.TheGlobalNav II placestheicon atthe intersection of the plottercursorlines.
To erase the cursor lines, press the CLEAR key.
Erasing the Icons Although you can place icons on the plotterindividually,you can'terasethemone at atime. You have to erase the whole group of icons. For example, if you've place 20 fish symbol icons, erasing one of them erases all 20.
To usethis feature,first move the cursor lines to thedesired locationon theplotterscreen.Next, presstheMENU key. Nowpressthekey adjacent to the "More" label. Finally, press the key nexttothe"Go To UserCursor label. The unit returns to the plotterscreen. A waypointflag appearson thescreen (numbered "0") thatwas the location of the cursorcross hairs when you pressedthe key nextto the "Go To User Cursor label. The digital displaysonall screens will shownavigation information to this new location. This includes the position, steering, and plotter displays. Remember, this is a temporary waypoint. It's erasedwhenthe unitis turned off or if it's preset. PLOTTER UPDATE Theplotter your shows track drawing a solid line behind your present by position. The trackis updated onceevery instantlywhenthe unitisturned onforthe firsttime.However, ifyou'retravellinga long distance,thetrack line may end prematurely due

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To erase an icon, first press the EVENT MARKER key. Next, press the keynextto the "DELETE ICON BANK" label. Thescreen shown aboveappears.
to the limited number of dots available that plot the track.

Instant

Nowselectthegroupof icons that youwishto erase by pressingthe key nextto the desired icon.After pressing the key, the GlobalNavII erases all of theselectediconsfromthe plotter.
2 Seconds ' Using a longerupdate timeTo _______________ change the update rate, press U.SNI theMENU key whilethe unit is 10 Seconds in the plottermode,then press the key next to the 'More" label. Nowpressthe key nextto the "Plot Update Rate" label. The screen shown at right appears. The available plot updatetimes are Instant, 2,5,10, and2Oseconds. Simplypressthe nexttothe desired updatetime. The key GlobalNav II immediately returnsto the plotterscreenusingthe newtime.

GRID LINES

The plotter can show Iatitude/ longitude grid lines by pressing thekey nexttothe "SetGridOff On" labelon thesecond plotter
menu page. Toturnthe gridlines off, repeatthe previousstep.
23 PDF compression, OCR, web-optimization with CVISION's PdfCompressor

SELECT UNITS OF

MEASURE
The GiobalNav II can display distance in miles, kilometers, or nautical miles, velocity in miles cer hour. kilometers per hour, or knots, bearing in degreesmagneticortrue,altitude infeetormeters,and timein 12 hour or 24 hour format.

C Coto User Cursor

Update Bate]
EVENTMARKER The GlobalNav II can place eventmarkers or"icons"onthe plotter to mark fishing spots, shallowwater, orotherspecial Inratinno Thrcaro fh,a rliffnr_ ent icons to choose from and thereare lOOof each iconfora total of 500. You can place eachicon individually,however, you can't erase a single icon onceyou'veplaced it. Toerase an icon, you haveto erase alt of the icons in that group. To place an icon, press the EVENT MARKER key. The screen shown aboveappears. Now selectone of the five icons shown on the leftside of the screen by pressing the key nextto the desired icon.As soonas you press the key, theGlobalNavII places theicon at yourpresentposition. Thisicon always stays in this location. It's saved in memory so it will always show on the display, even if the unit is turned off and on again.
To change any these, first press the MENU key, then pressthekey adjacent to the "More label. Now press the key next to the "SELECT UNITS OF MEASURE" label. The screen shown at left appears. Theblack box on each line shows the unit of measure currently in use. In the screenshown below, theunits

ofmeasure are instatute miles
fordistance,miles per hourfor velocity, degrees magnetic forbearing,altitude in feet, andtimeis in the 12 hour format (a.m./p.m.)
Pressthe keynexttotheunitthatyouwishtochange.Forexample, pressthekey nexttotheDistancelabeltwicetoswftch frommilesto kilometers. Thismovesthe black box two times from the "Ml" to the "KM". When you have the unitsof measureset as desired,press the key nextto the "EXIT' label.
the GlobalNavll is first turned on or after a preset, the icons are automatically turned on. However, if youturn the icons off (using the Set Iconsfeatureon thefirst plottermenu screen),then theicons won'tshow
Note:When you placean icon, first makecertain the icons are on. When
whenyou place an icon.Theunitwillplacetheicon,howeveritwon'tshow until you turn the icons on.
Usingthe Event Markerwith the Cursor
Normally,when you select an icon,itsplacedonthe plotterat yourpresent position.However, you can place an icon any where on the plotter using the cursor. To do this, first press one of the arrow keys. This makes the plottercursor lines appear on the display. Now move the lines to the desired position onthe displayby press-

i)iIl(si ________

3608860'

9550.608'

BACK LIGHT ON/OFF To turnthe backlightingon, presstheMENU key, then pressthe key next tothe"More" label. Nowpress the key nexttothe "BacklightOnOff" label. This moves the black boxfrom "OFF" to the "ON" position and turns the lights on. To turn the backlights off, repeat these steps.

________ ________

22.OM _________

_________

________

GlobalNav 310

INSTALLATION AND OPERATION INSTRUCTIONS
Copyright 1997 Lowrance Electronics, Inc. All rights reserved. GlobalNav 310 is a trademark of Lowrance Electronics, Inc. Lowrance is a registered trademark of Lowrance Electronics, Inc. WARNING! USE THIS UNIT ONLY AS AN AID TO NAVIGATION. A CAREFUL NAVIGATOR NEVER RELIES ON ONLY ONE METHOD TO OBTAIN POSITION INFORMATION. Never use this product while operating a vehicle.
CAUTION When showing navigation data to a position (waypoint), this unit will show the shortest, most direct path to the 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. The storage temperature for your unit is from -4 degrees to +167 degrees Fahrenheit (-20 to +75 degrees Celsius). Extended storage temperatures higher or lower than specified will cause the liquid crystal display to fail. Neither this type of failure nor its consequences are covered by the warranty. For more information, consult the factory customer service department. All features and specifications subject to change without notice. Lowrance Electronics may find it necessary to change or end our policies, regulations, and special offers at any time. We reserve the right to do so without notice. All screens in this manual are simulated.
INTRODUCTION.... 1 INSTALLATION.... 2 BRACKET INSTALLATION.... 2 POWER CABLE... 4 ANTENNA.... 5 SURFACE MOUNT... 5 MAGNET MOUNT.... 6 POLE MOUNT.... 6 KEYBOARD.... 7 OPERATION..... 8 TURNING POWER ON.... 8 MENUS.... 8 FINDING YOUR POSITION... 8 COLD START.... 8 INITIALIZATION... 9 POSITION/NAVIGATION DISPLAYS... 11 NAVIGATION SCREENS... 12 PLOTTER SCREENS.... 14 PLOTTER CURSOR... 15 PLOTTER OPTIONS... 15 PLOT TRAIL.... 16 PLOTTER ORIENTATION... 16 PLOTTER UPDATE RATE... 17 GRID LINES.... 18 ICONS.... 18 PLACE ICON - CURSOR LOCATION.. 18 ERASE ICONS.... 19 WINDOWS.... 20 SPECIAL WINDOWS... 20 SATELLITE INFORMATION SCREEN... 20 COURSE DEVIATION INDICATOR (CDI).. 21 CLOCK.... 22 CLOCK SET.... 22 CLOCK ALARM.... 22 TIMERS.... 23 REPROGRAM BOXES.... 23 WAYPOINTS... 24 SAVING YOUR PRESENT POSITION (QUICK SAVE).. 24 SAVING CURSOR POSITION... 25 SAVING YOUR PRESENT POSITION... 25 EDIT WAYPOINT LAT/LON... 26 EDIT WAYPOINT NAME... 27 MOVE A WAYPOINT... 27 DISTANCE BETWEEN WAYPONTS.. 28 WAYPOINT OPTIONS... 29 DELETE A WAYPOINT.... 29 ROUTES.... 30 CREATE A ROUTE... 30 SELECT WAYPOINTS FOR ROUTE... 31 FINISHING THE ROUTE... 32 DELETE A WAYPOINT FROM ROUTE... 32 GLOBALNAV 310 WAYPOINT DETAIL... 32 FOLLOW A ROUTE.... 32 SKIP A WAYPOINT IN A ROUTE.. 34 DELETE A ROUTE... 34
NAVIGATION..... 35 NAVIGATE TO A WAYPOINT... 35 NAVIGATE TO A CURSOR LOCATION.. 35 NAVIGATING TO A WAYPOINT USING THE PLOTTER... 36 CANCEL NAVIGATION.... 36 SYSTEM SETUP.... 37 SPEAKER ON/OFF.... 37 CONTRAST ADJUST.... 37 UNITS OF MEASURE.... 37 POSITION FORMAT... 38 NMEA/DGPS.... 39 NMEA OUTPUT... 40 DGPS.... 40 SERIAL COMMUNICATION SETUP... 42 RESET OPTIONS.... 42 SYSTEM INFO.... 43 GPS SETUP..... 43 EXECUTE GPS COLD START... 43 DATUM.... 44 PCF.... 45 POSITION PINNING... 46 ALARMS.... 46 MESSAGES.... 47 BACKLIGHT.... 47 REPROGRAM WINDOW GROUPS.... 48 RESET WINDOW GROUPS... 49 SIMULATOR.... 50 STARTING POSITION... 50 USER ARROW KEYS TO STEER... 50 DEFINITION OF TERMS/ABBREVIATIONS... 51 WINDOW GROUPS.... 52 UPS RETURN SERVICE.... 54 WARRANTY STATEMENT.... 56 ANTENNA MODULE TEMPLATE... 58 HOW TO OBTAIN SERVICE - INTERNATIONAL.. INSIDE BACK COVER HOW TO OBTAIN SERVICE - U.S.A. ONLY.. BACK COVER
Congratulations! You have purchased one of the finest 12-channel GPS receivers Lowrance has ever made. With its large LCD screen, easy to use menus, and outstanding performance, we think youll be happy with your GlobalNav 310 for many years. GPS works from satellites that transmit information to the world at very high frequencies. One disadvantage to this frequency is that its line-ofsight. In other words, the signals dont bounce around like your local radio or television. If you dont have a clear view of the sky, or if youre inside a metal boat dock or garage, the unit probably wont be able to pick up the signals from the satellites. This is common among all GPS receivers. Like most GPS receivers, your GlobalNav 310 doesnt have a compass or any other navigation aid built into it. It relies solely on the signals from the satellites to determine its position. Speed, direction of travel, and distance are all calculated from position information. Therefore, in order for it to determine the direction youre travelling, you must be moving, and the faster - the better. This is not to say the unit wont work at walking speeds - it will. But the faster you travel, the easier it is for the unit to determine your direction. Another factor that influences the GPS position and navigation capabilities is called selective availability or S/A. This is small errors purposefully injected into the transmitted signal from the satellites. The government does this to degrade the systems accuracy to civilian and foreign users. Even with S/A, GPS is the most accurate navigation system ever invented on such a large scale. The Governments accuracy specification is 100 meters horizontally and 150 meters vertically 95% of the time. In other words, the position shown on your GlobalNav 310 could be up to 100 meters in any direction from your actual position, and the altitude could be plus or minus 150 meters from whats shown on the screen, 95% of the time. There are two ways around the S/A problem. One is to have the government simply turn it off. In fact, there is growing pressure on them to do that, but its not likely to happen anytime soon. The other method is to purchase a DGPS receiver and connect it to your GlobalNav 310. A DGPS receiver (commonly called a beacon receiver), picks up correction signals broadcast from ground stations. The GlobalNav 310 takes these corrections and applies them to the position and altitude screens, giving you much better accuracy.

Even with S/A on, and without a DGPS receiver, your GlobalNav 310 gives you outstanding position and navigation information. Please sit down with the unit and this manual and familiarize yourself with them before using the GlobalNav 310 in the real world. A simulator is built in, which lets you practice.

INSTALLATION

INSTALLATION - Bracket You can install the GlobalNav 310 on the top of a dash or from an overhead with the supplied bracket. It can also be installed in the dash with an optional IDA-3 mounting kit. A swivel bracket is included that converts the GlobaNav 310's gimbal bracket to a swivel mount. You can mount it in any convenient location, provided there is clearance when its tilted for the best viewing angle. Bracket Installation - No Swivel Holes in the brackets base allow wood screw or through bolt mounting. It may be necessary to place a piece of plywood on the back side of thin panels to reinforce the panel. Make certain there is enough room behind the unit to attach the power and antenna cables. Drill a hole in the dash for the power and antenna cables. The best location for this hole is immediately under the gimbal bracket. This way, the bracket covers the hole. The smallest hole the power and antenna cable connector can pass through is 3/4". Route the cables to the unit by passing them through the hole from under the dash. Slide the bracket over the hole, then route the cables out the slot in the back of the bracket. Finally, fasten the bracket to the dash. Bracket Installation - With Swivel 1. Place the swivel bracket on the dash or console in the desired mounting location. Make certain there is enough room for the unit to rotate. Using the swivel brackets base as a template, mark the four mounting holes for drilling. Remove the bracket and drill the holes in the mounting surface for the #10 mounting screws. 2. Install the large locknut into the bottom of the swivel bracket. Place the swivel bracket onto the mounting surface and attach it using the four supplied #10 screws. 3. Pass the large screw through the gimbal bracket and the swivel bracket. Thread it into the large locknut and tighten it. Don't tighten it too tight, or the gimbal bracket won't swivel.
Attach the GlobalNav 310 to the gimbal bracket using the supplied gimbal knobs and washers as shown below.
GlobalNav 310 Gimbal Bracket Washer

Gimbal Knob

POWER The GlobalNav 310 will operate from a 12-volt DC system. (9 to 15 volts DC.) You can connect the power cable to an accessory buss under the dash, however, to keep electrical noise interference to a minimum, we recommend you wire the power cable directly to the battery through the supplied 2-amp fuse. CAUTION! Do not connect this product to a power source without using a fuse! Failure to use the fuse can cause damage to your unit and will void the warranty. Follow the wiring diagram below. If the wires on the power cable are not long enough to reach the battery, use 18 gauge wire to lengthen the power cable. The power cables green wire is used to receive data from a DGPS receiver. The white wire is used to transmit data to a DGPS receiver or other electronic equipment. If you are not connecting the GlobalNav 310 to another device, tape the ends of these wires and secure them where they will not short to one another. See the NMEA/DGPS section in this manual for more information. (Note: If your power cable has six wires, tape and secure the extra wires, also. They are not used on this product.)

Initialization A cold-start as described above can take over 5 minutes to find your position. A faster method is to initialize the GlobalNav 310 manually. To do this, first press the PWR key. Next, read the messages on the screen and press the EXIT key to erase them. Now press the MENU key. Press the up or down arrow keys until the GPS SETUP menu is highlighted as shown at right. Now press the right arrow key. The screen shown at the top of the next page appears.
Using the down arrow key, highlight the Initialize GPS Receiver menu, then press the right arrow key. The screen shown below appears.
This is the GPS initialization screen. The position, altitude, time, and date the GlobalNav 310 is currently using to find the satellites is shown at the bottom of this screen. Changing these values to your local position and time will speed the position lock.
To change the position, press the right arrow key while the EDIT LAT/LON box is highlighted. The screen shown at right appears. If your latitude is south, press the up or down arrow key to change it. If it is north, press the right arrow key to move the change box to the first number in the latitude. Now press the up arrow key to increase the number or the down arrow key to decrease it. Once the first number in the latitude is set, press the right arrow key once to move to the next number in the latitude. Keep pressing the arrow keys until the latitude and longitude are set to your local position. (Note: This position does not have to be very accurate. If you can get it within one degree of your actual position, that will be fine.) When its set, press the ENT key.The GlobalNav 310 accepts your entry and returns to the GPS setup menu.
Now change the local time and date if theyre incorrect on this screen. (Dont worry about altitude.) When everything is acceptable, press the EXIT key repeatedly to return to a mode screen. The GlobalNav 310 will instantly use the data you entered to find the satellites in the sky. (The unit knows which satellites will be available at the position, date, and time you entered. Therefore, it will only look for those satellites, making the search time much shorter than a cold start which looks for all of the satellites until it finds three.) Once the GlobalNav 310 finds and locks on to three satellites, it stops flashing the numbers on the display. (Note: Altitude will still flash until the unit locks on to the fourth satellite. It takes four satellites to determine altitude.)

PLOTTER OPTIONS The GlobalNav 310 lets you customize the plotter using the plotter options menu. To use this menu, first press the MENU key, then use the up or down arrow keys to highlight the Plotter Opts label. Finally, press the right arrow key. The screen shown at right appears.
Record Trail On / Off The line extending from the present position diamond on the plotter is call the plot trail. As each dot on the trail is placed on the screen, its also saved in memory. The plot trail recording can be turned off, if desired. To turn it off, press the up or down arrow key until the Record Trail menu is highlighted and press the left arrow key. Press the EXIT key to return to the main menu. Clear Current Plot Trail To erase the plot trail extending from your present position, highlight the ClearPlot Trail menu, then press the right arrow key. A message box appears, asking you if you really want to erase the plot trail. Follow the directions on this message box. The GlobalNav 310 returns to the plotter screen after the message box clears. Plotter Orientation Normally, the GlobalNav 310 shows the plotter 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 youre always travelling due north. Waypoints you see to your left corresponds to the left side of the plotter, to your right is shown on the right side of the plotter, and so on. However, if you travel any other direction, the plotter doesnt line up with your view of the world. To correct this problem, this unit has a track-up mode that rotates the plotter as you turn. Thus, what you see on the left side of the screen should always be to your left, and so on. It also has a course-up mode that keeps the plotter at the same orientation as your initial bearing to the waypoint. In the examples shown at right and on the next page, we're travelling southeast (about 210 magnetic). In the north-up view (at right), the present position indicator appears to move towards the lower left corner of the screen. The anchor icon shown on the left side of the screen is actually on our right. North is always at the top center of this screen.

NORTH-UP MODE

In the track-up view at right, the present position moves straight towards the top of the display. As you can see, the anchor icon is now shown in its proper orientation - to our right. A "N" shows to help you see which direction is north when the track-up mode is on. Remember, in the track-up mode, the screen rotates as you change direction. It always keeps your direction of travel (track) heading towards the top of the screen. In the course-up mode shown at right, the screen is locked into your original bearing to the recalled waypoint, regardless of your track. To select the desired mode, highlight the ORIENTATION label on the Plotter Options menu, then press the left or right arrow keys until the desired mode appears. Press the EXIT key to leave this menu

key to erase the icon. If you wish to delete another icon, move the cursor over it and press the ENT key. When youre finished, press the EXIT key to erase the cursor. WINDOWS This feature gives you 15 different groups of windows so you can use the best navigation display for your situation. To use the windows feature, press the MODE key, then highlight the GROUP A label as shown below. Group A is visible in the background when you switch to the windows groups. To view each group, simply press the right or left arrow key while the mode menu is showing. Each group shows in the background as you press the arrow keys. When you see the group you want to use, simply press the EXIT key to erase the mode menu. Special Windows Although most of the windows used in the GlobalNav 310 are self-explanatory, there are several windows that have special features or can be used in unique ways. The following section describes these windows. Satellite Information Screen (Group A) This screen shows technical information about the status of the GPS receiver.The receiver has twelve channels. Data for each channel is shown as bar graphs on the right side of the display. Every satellite in the constellation has a number assigned to it, called the PRN. The bar graph is above each satellites number. The higher the bar on the graph, the better the signal is being received from the satellite. Each satellite is also shown on the circular graph on the left side of the screen. This shows you not only which satellites are in your area, but also their direction from your position, and their elevation (distance above the horizon.) The small inner circle represents 45 above the horizon and the large outer circle represents the horizon. A satellite is straight above you when it is at the intersection of the horizontal and vertical lines that pass through the circles.
The FIX number in the lower left corner of the screen show the quality of fix. If the FIX is 9, then it's the best you can get. A FIX of 1 is the worst.
COURSE DEVIATION INDICATOR (CDI) The CDI shows your distance to the left or right of the desired course. You must recall a waypoint or run a route to use the CDI. The arrow in the center of the box shows the direction to the destination. For example, if youre travelling straight towards the destination, the arrow points straight up. If you turn to the right, the arrow points to the left, showing that the destination is to your left.The smaller arrows pointing down on each side show the CDIs range. The default is 0.25 mile. The small vertical bar beneath the arrow shows the distance off course and represents the course line. If the bar moves to the left, then you are too far to the right of the desired course line, and vice-versa. On the indicator shown at right, we are about 0.1 mile to the right of the desired course. (Each dotted vertical line represents 0.175 mile.) You can adjust the CDIs range through the ALARMS/CDI menu. Using the CDI with a map helps you visualize your position in relation to the course. The CDI is on several of the 310s windows and can be programmed to show on any window group.

This menu lets you go to the waypoint selection menu, delete a waypoint from the route, or see details about any waypoint in the route. Since we want to add a waypoint to the route, press the right arrow key on the Insert From WPTS label. The screen shown below appears.
Select Waypoints Select the first waypoint either by using the waypoint name or waypoint number menus. As you move through the list of saved waypoints, their date and time saved, position, and distance and bearing from your present position show at the bottom of the screen. When the desired waypoint appears that you want to use as the first waypoint on the route, move the black box to the Add WPT To Route label, then press the right arrow key. The unit returns to the route planning screen with this waypoint placed in the first location on the list as shown at right. To add more waypoints to the route, simply press the down arrow key to the next position on the list and press the right arrow key. Continue until all of the waypoints have been added to the route. As you add waypoints to the list, their bearing and distance from each other is shown to the right of the waypoint name. On the screen at right, waypoint 6 is on a bearing of 215 and 7.27 miles from waypoint 3. The total route distance is shown at the bottom of this screen.
Finishing the Route When youve selected all of the waypoints for the route, simply press the EXIT key until you return to the navigation, plotter, or windows screen. Your route is saved in memory. Delete a Waypoint To delete a waypoint from a route, first select the route from the Route Planning or Run Route menus, then highlight the waypoint that you want to remove from the routes list. Now press the right arrow key. The screen shown at right appears. Highlight the Delete label on this menu and press the right arrow key. The unit returns to the route list with the waypoint removed from the list. (Note: This doesnt delete the waypoint from the database, it only removes it from the route.) Waypoint Detail To view the position, bearing, distance, and other information about a waypoint saved in a route, first select the route from the Route Planning or Run Route menus, then highlight the desired waypoint from the routes list. Now press the right arrow key. The screen shown above appears. Move the black box to the Detail label and press the right arrow key. The screen at right appears. This screen shows the waypoints name, number creation time and date, icon, position, distance, and bearing from your present position. When youre finished viewing this information, press the EXIT key to erase it.

Following a Route To follow a route, first recall it by pressing the MENU key, highlighting the ROUTES label, pressing the right arrow key, then highlighting the RUN ROUTE label and press the right arrow key. The screen shown at right appears.
The black box is on the Route # 1 label. If this isnt the route you want to use, press the right or left arrow keys to switch to another one. Before starting the route, youll need to decide if you want to start at the beginning and travel forward or start at the last waypoint in the route and travel backwards (reverse) to the first waypoint. The default is forward. Next, highlight the Start Route label and press the right arrow key. The screen shown below appears. Once you determine which direction in the route you want to go, youll need to determine the first waypoint in the list you want to start the route. Usually, its the first waypoint, however the GlobalNav 310 gives you several options. The default starting waypoint is the first one in the list. However, by pressing the right arrow key, the word AUTO appears in the Select First WPT list. This starts the route with the waypoint thats closest to your present position. You can start at any waypoint in the route. As you change the number, the selected starting waypoint is highlighted on the list. If you want to see details about the highlighted waypoint, press the WPT key. When you have everything on this screen set as desired, press the ENT key to start the GlobalNav 310 navigating to the first waypoint on the route. As you travel to the first waypoint, the unit shows navigation data to the waypoint. If you use the plotter, as shown at right, the unit draws a dotted line from your starting position (shown by the S), and a dashed line from the first waypoint to each of the other waypoints in the route. When you enter the radius set by the arrival alarm, the GlobalNav 310 automatically switches to the next waypoint on the list, showing navigation data to that waypoint, and so on until the last waypoint on the route list has been reached. (Note: The arrival alarm does not have to be turned on in order to use the route feature.)

tializing the receiver. For example, if you entered east longitude instead of west. Or if youve moved a long distance with the unit turned off. To send a cold start message to the receiver, highlight the Execute GPS Cold Start label, then press the right arrow key. A message appears, asking you if you really want to do a cold start. Follow the instructions on this message page. The unit will begin searching for the satellites. It can take as long as 5 minutes for it to lock on to the necessary satellites. Remember, when it does, your local time and possibly date can be wrong. Use the method shown in the initialization section at the front of this manual to change them, if needed. Once this is done, an internal clock will keep the correct time, even when the unit is turned off. The GPS system updates this clock when the unit is locked on to the satellites. DATUM Maps and charts are based on a survey of the area thats 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 world, or just a small portion. By default, the GlobalNav 310 shows your position on the map using the WGS-84 datum. However, it can show your position using one of 189 different datums. To change the datum, first press the MENU key, then highlight the GPS Setup label and press the right arrow key. Now highlight the Select Datum label. Finally, press the right arrow key again. A screen similar to the one at right appears. The WGS-84 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.
PCF (Position Correction Factor) Another method used to make your display match a chart or map is called PCF or Position Correction Factor. This unit gives you the capability to move or offset the position shown on the display to match one on the chart. The unit will add this offset to all position and navigation displays at all times. Remember, the position error on any radio navigation system is very dynamic and the PCF offset should never be used in an attempt to cancel the error. In general terms, PCF should only be used if your map indicates what the possible error is. PCF should always be reset to zero when youre finished with the chart. For example, suppose you are stopped at a location that is accurately marked on a chart. Your unit shows a longitude position that is.244 minutes east of the one on the chart and.047 minutes north latitude. Using the PCF feature, you can make the GlobalNav 310 match the chart youre using. If you move, the unit will continuously add the change to all position, navigation, and mapping displays. This makes it more closely match the datum used by the chart. For this reason, you should be careful when entering the PCF offset. Its saved in memory and doesnt change when the unit is turned off. However, resetting the unit does erase the PCF offset. To change the PCF offset, first press the MENU key, then highlight the GPS Setup label and press the right arrow key. Now highlight the Set PCF Offset label. Finally, press the right arrow key again. A screen similar to the one at right appears. Now enter the correction for your location. Remember, this is the difference between the location shown on the present position display and the position shown on the chart. In this example, we entered 0 degrees, 0.047 minutes north latitude and 0 degrees, 0.244 minutes east longitude. That is the difference between the present position shown by the GlobalNav 310 and the one on our chart.

After youve entered the latitude/longitude correction, press the ENT key to accept it. The GlobalNav 310 erases the PCF entry screen and returns to the navigation or mapping screens with the correction factor applied. POSITION PINING When using a GPS receiver at extremely low speeds, it can have trouble determining your course over ground, or direction youre travelling. This is due in large part to SA, or selective availability. SA is small inaccuracies purposefully put into the GPS satellites signal by the government. This cause wide variations in the track display and other navigation displays when using the unit at slow speeds. If youre using the GlobalNav 310 without DGPS and stop, the position pinning feature locks the present position indicator on the plotter until youve moved a short distance or exceed a very slow speed. This prevents the wandering plot trail seen when youre stopped with position pinning turned off. This also affects the navigational displays. The easiest way to see the effects of S/A is to stand still with the GlobalNav 310 turned on and watch your plot trail with position pinning turned off. Youll see the present position change, speed increase and decrease, and a random plot trail on the plotters screen. To turn the position pining feature off, press the MENU key, then highlight the GPS Setup label and press the right arrow key. Now highlight the Pos Pinning label. Finally, press the left arrow key. ALARMS This unit has several alarms. You can set an arrival alarm to sound a warning 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 sound when you come within.1 mile of the recalled waypoint. The course deviation indicator alarm (CDI) can sound a warning when your track drifts too far to the right or left of the line to the waypoint. For example, if the alarm is set to.1 mile, then the alarm will sound if you drift.1 of a mile or more to the right or left of the line to the waypoint. The anchor alarm sounds a warning when you drift outside of a preset radius. Again, using the.1 mile as an example, if youre anchored and your boat moves more than.1 of a mile, the alarm will sound. To use any of these alarms, first press

WINDOWS The following is a listing of windows groups A through O.

GROUP B

GROUP C

GROUP D

GROUP E

GROUP F

GROUP G 52

GROUP H

GROUP I

GROUP J

GROUP K

GROUP L

GROUP M

GROUP N

GROUP O
Lowrance's UPS Return Service - U.S.A. Only
Lowrance Electronics and United Parcel Service (UPS) are proud to offer all of our customers free shipping for all units sent to us for repair or service. If you have to send this unit to the factory, and you are in the continental United States, use the enclosed UPS shipping label for easy, free shipping to our factory customer service department. There are six easy steps: 1. Call Lowrance at the toll-free number on the back of this manual for a Return Authorization (RA) number and instructions about what accessories to return. Do not return a product to the factory without a Return Authorization (RA) Number! 2. Pack your unit and any accessories in the original shipping container, if possible. Be sure to include proof of purchase for warranty verification! 3. Write a brief note detailing the problem you're having with the unit. Please include your name, address, and daytime telephone number. 4. Please include payment for non-warranty repairs. Check, money order, Visa, or MasterCard may be used. 5. Fill in your name, address, zip code, date, and RA number in the blanks provided on the UPS form included with your unit. 6. Attach the label to the shipping box, tear off the tab for your receipt and give the package to any UPS driver or take the package to any UPS Customer Center. You will not be charged for this shipment. That's it! Your unit will be shipped to Lowrance's customer service department at no charge to you. Units under warranty will be returned to you at no charge. NOTE! Lowrance will pay UPS surface shipping charges both to and from the factory for this unit in the event it needs repair.Your unit is insured against loss or shipping damage when you use the enclosed UPS label.
This UPS shipping offer is good only in the continental United States (excludes Alaska and Hawaii).
KEEP THIS LABEL! YOU WILL NEED IT IF YOU EVER NEED TO RETURN YOUR UNIT TO THE FACTORY FOR REPAIR.
Accessory Ordering Information
To order accessories such as power cables, please contact: 1) Your local marine dealer. Most quality dealers that handle marine electronic equipment should be able to assist you with these items. Consult your local telephone directory for listings. 2) LEI Extras, Inc. P Box 129 Catoosa, OK 74015-0129.O. or call 800-324-0045 (USA orders only.) Lowrance Electronics may find it necessary to change or end our shipping policies, regulations, and special offers at any time. We reserve the right to do so without notice.
LOWRANCE ELECTRONICS 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 consumer 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 products written specifications, all for one year (1) from the date of original purchase by you. WE MAKE NO OTHER EXPRESS WARRANTY OR REPRESENTATION OF ANY KIND WHATSOEVER CONCERNING THIS PRODUCT. Your remedies under this warranty will be available so long as you can show in a reasonable manner that any defect or malfunction in materials or workmanship, or any non-conformity with the products 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 reasonable 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-CONFORMITY CONCERNING THE PRODUCT OR FOR ANY LOSS OR DAMAGE RESULTING FROM ANY OTHER CAUSE WHATSOEVER. WE WILL NOT UNDER ANY CIRCUMSTANCES BE LIABLE TO ANYONE FOR ANY SPECIAL, CONSEQUENTIAL, INCIDENTAL, OR OTHER 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 owners 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

PO BOX 669 CATOOSA, OK 74015 (800) 324-1354 56
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4.75MM (3/16) 4 PLACES

25MM (1) (If Necessary)

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How to Obtain Service (Canadian Customers Only)
We back your investment in quality products with quick, expert service and genuine Lowrance replacement parts. If you need service or repairs, contact the Lowrance Factory Customer Service Department at the toll-free number listed below. A technician may be able to solve the problem and save you the inconvenience of returning your unit. You will be asked for your unit's serial number.

800-324-1354

Canada Only. Monday through Friday 8:00 A.M. - 8:00 P.M. Central Time. When sending a product for repair, please do the following: 1. Always use the original shipping container and filler material the product was packed in when shipping your product. 2 Always insure the parcel against damage or loss during shipment. Lowrance does not assume responsibility for goods lost or damaged in transit. 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.
How to Obtain Service (International Customers Only - Except Canada)
If you need service or repairs, contact the dealer in the country you purchased your unit.
WARRANTY REPAIR WILL BE HONORED ONLY IN THE COUNTRY UNIT WAS PURCHASED.
Please follow the shipping instructions shown below on this page if you have to mail your unit to the dealer. For proper testing, repair, and service, send a brief note with the product describing the problem. Be sure to include your name, return shipping address, and a daytime telephone number.
Accessory Ordering Information - All Countries
To order accessories such as power cables or transducers, please contact: 1. Your local dealer. Most quality dealers that handle GPS navigation equipment 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 416-629-3118

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. Use the following toll-free number:
U.S.A.only. Monday through Friday 8:00 A.M. - 8:00 P.M. Central time, except holidays.
Your unit is covered by a full one-year warranty. (See page 56 inside this manual 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 further details, please call us at the above number. Lowrance also gives you free UPS shipping from anywhere in the continental United States both to and from the factory for all warranty repairs. You can also use the enclosed UPS shipping label for non-warranty shipments. See page 54 for more information. Remember, non-warranty repairs are subject to Lowrance's published flat-rate charges and 180-day warranty.

LITHO IN U.S.A.

988-0129-63