GME GX600DB User manual

INSTRUCTION MANUAL
VHF MARINE RADIO
GX600D
PRINTED IN ENGLISH
INTERNATIONAL:
USA : FCC ID : TXJGX600D
CANADA : IC 7332A-GX600D
AUSTRALIA:
0168 !
24 pp folded once to 148 x 210 mm stitched with 2 wires
Print CMYK on 130 gsm gloss art

WARNING: SAFETY INFORMATION
The GX600D is a radio transmitting device.
 • Whentransmitting,keepanypartofyour
headorbodymorethan1.5mfrom
theantenna.
 • Donottransmitnearelectricalblasting
equipmentorinexplosiveatmospheres.
 • Donotallowchildrentooperatearadio
transmitterunsupervised.
INTERNATIONAL CUSTOMERS
Localrequirementswillvarythroughouttheworldwith
regardtooperatorqualication,DSCregistrationand
MMSIallocations.
Internationalcustomersshouldrefertothismanualfor
contactdetailstoobtainspecicrequirementsforyour
country.
OPERATING RULES
Priorities
•Readallrulesandregulationspertainingtoprioritiesand
keepanup-to-datecopyhandy.Safetyanddistresscalls
takepriorityoverallothers.
•  YoumustmonitorChannel16whenyouarenot
operatingonanotherchannel.
•Falseorfraudulentdistresscallsareprohibitedunderlaw.
Privacy
•Informationoverheardbutnotintendedforyoucannot
lawfullybeusedinanyway.
•Indecentorprofanelanguageisprohibited.
Radio Licenses
Ship Station License
WhenyourcraftisequippedwithaVHFFMradio,youmust
haveacurrentradiostationlicencebeforeusingtheradio.
Itisunlawfultooperateashipstationwhichisnotlicensed.
Inquirethroughyourdealerortheappropriategovernment
agencyforaShip-Radiotelephonelicense.Thislicense
includesthecallsignwhichisyourcraft’sidenticationfor
radiopurposes.
Operators License
ArestrictedRadiotelephoneOperatorPermitisthelicense
mostoftenheldbysmallvesselradiooperatorswhena
radioisnotrequiredforsafetypurposes.
TherestrictedRadiotelephoneOperatorPermitmustbe
postedneartheradioorbekeptwiththeoperator.Onlya
licensedradiooperatormayoperatearadio.
However,non-licensedindividualsmaytalkoveraradioifa
licensedoperatorstarts,supervises,endsthecallandmakes
thenecessarylogentries.
Acurrentcopyoftheapplicablegovernmentrulesand
regulationsisonlyrequiredtobeonhandforvesselsin
whicharadiotelephoneiscompulsory.However,even
ifyouarenotrequiredtohavetheseonhanditisyour
responsibilitytobethoroughlyacquaintedwithallpertinent
rulesandregulations.
SAFETYINFORMATION..........................................................2
INTERNATIONALCUSTOMERS..............................................2
OPERATINGRULES...............................................................2
INTRODUCTION................................................................... 3
FEATURES............................................................................3
OPERATORQUALIFICATIONS................................................3
DIGITALSELECTIVECALLING................................................ 3
MARINEMOBILESERVICEIDENTITY.....................................3
RANGE................................................................................4
OPERATION.........................................................................4
DIGITALSELECTIVECALLING(DSC)...................................... 8
CONFIGURATIONMENU...............................................14-19
CONNECTINGAGPSRECEIVER..........................................19
INSTALLATION...................................................................20
SPECIFICATIONS................................................................. 22
WARRANTY........................................................................ 23
CONTENTS
PAGE2 INSTRUCTIONMANUAL GX600D

GX600D INSTRUCTIONMANUAL PAGE3
INTRODUCTION
Congratulations.Youhavejustpurchasedoneofthemost
technicallyadvancedVHFmarineradiosintheworld.
The GME GX600D is a VHF FM radio designed to
operate in the 156 - 163 MHz marine band.
TheGX600Dhasanumberofenhancedfeaturesincluding
fullyuserprogrammableChannelScanning,DualWatch
andTripleWatchfunctions,aprogrammable‘Instant’
channelmemoryandadjustablebacklighting.Inadditionit
incorporatesDigitalSelectiveCallingandsupportsposition
reportingwhenconnectedtoaGPSreceiver.
WithitscompactsizeandIP67designitcaneasilybe
installedintoalmostanypanelmountinglocationinyoury
bridgeorcabin.
TheGX600DistotallydesignedatourGladesvillefacility.
Precisionrobotsandtheverylatestmanufacturing
techniquesensureaconsistentlyhighqualityismaintained
resultinginacommunicationssystemofextremereliability
andperformance.
Pleasereadthismanualthoroughlytoensureyougetthe
bestfromtheGX600D’sfeatures.
FEATURES
• CompactIP67Design
• SelectableInternational,USA,andCanadianChannelSets
• GPSpositiondisplaywhenconnectedtoaGPS
• FullyCompliantClass‘D’DigitalSelectiveCalling
• SeparateDSCReceiver
• SelectableUSAWeatherChannels
• DualWatchandTripleWatchwithProgrammable
PriorityChannel.
• 10PrivateChannelsavailable
• ProgrammableChannelScanning
• SelectablePower25/1Watt
• WorkingChannelMemory
• AdjustableDigitalSquelchsetting
operatorsmaychoosetoobtainaMarineRadioOperators
CerticateofProciency(MROCP),whichcoversthe
operationofbothVHFandMF/HFequipment.
ManyTAFEsandmarineorganisationsoffercoursesleading
toexaminationfortheMROVCPandMROCPalthough
suchcoursesarenotcompulsory.Personswishingtoobtain
theMROVCPorMROCPshouldrstpurchaseacopyof
theMaritimeRadioOperatorHandbookwhichisessential
readingforeveryboatownerinAustralia.
TheAustralianMaritimeCollege(AMC)providesthemarine
examinationandcerticateserviceonbehalfoftheACA.
TheAMCcanprovidethedetailsoforganisationsand
individualsofferingcoursesandorconductingexams.
Forfurtherinformationvisit:www.amc.edu.au
DIGITAL SELECTIVE CALLING (DSC)
TheDigitalSelectiveCalling(DSC)featureonyourGX600D
usespreformatteddigitaldatamessagesinsteadofvoiceto
transmiturgentorimportantinformationtoanotherradio.
DSCalertsallradioswithinrangetoadistressmessage
evenwhenalisteningwatchisnotbeingmaintained.
Thisincreasesthechancesofyoursignalbeingheard.
DSCispartoftheGlobalMaritimeDistressandSafety
System(GMDSS)whichisexpectedtoeventuallyreplace
listeningwatchesondistressfrequenciesandwillbe
usedtoannounceallroutineandurgentmaritimesafety
informationbroadcasts.
DSC AND GPS
DSCoperationisenhancedbytheadditionofaGPS
receiverorchartplotterconnectedtoyourGX600D.
WhenaGPSisconnected,yourdistresscallcan
automaticallyincludeyourcurrentpositionandtime,while
achartplotterwillallowyoutodisplaythepositionof
anothervessel.IfaGPSisnotconnected,DSCcallscanstill
besentandreceivedtoalerttheoperatorofanothervessel
forsubsequentvoicecommunication.
MARINE MOBILE SERVICE IDENTITY
(MMSI)
TheMMSIisa9-digitnumberusedtoidentifyaradiothat
iscapableofusingDSC.Thenumberisusedtoselectively
callothervessels.
TosetupandusetheDSCfeatureonyourradio:
Pleaserefertothe‘DigitalSelectiveCalling’sectionon
page8ofthismanual.
NOTE: Youcanstillreceivedistresscallswithouta
userMMSI.
OPERATOR QUALIFICATIONS
AnypersoninAustraliaoperatingaVHFmarineradio
shouldpossessatleastaMarineRadioOperatorsVHF
CerticateofProciency(MROVCP).Alternatively,

PAGE4 INSTRUCTIONMANUAL GX600D
OPERATION
CONTROLS
Channel Channel LCD Volume
 Down Up Display
Scan
Microphone
Speaker
DSCDistress Channel16 Channel Hi/Low DualWatch/ Squelch
   AMemory Power TripleWatch
USER MMSI
TousetheDSCfeatureyoumustberegisteredwiththe
appropriatelicensingauthority(AMSAinAustralia)who
willissueyouwithyouruniqueuserMMSInumber.Youcan
thenenterthisintoyourGX600DtoenableDSCoperation.
HavingaregistereduserMMSImeansyoucanbeidentied
muchquickerinanemergency.
YourGX600Disshippedfromthefactorywithoutauser
MMSInumber.ItisuptotheusertoobtainavalidMMSI
fromtheappropriatelicensingauthorityandentertheMMSI
intotheradiotoenableDSCoperation.
GROUP MMSI
TheGroupMMSIisusedforDSCGroupCalls.AGroupCall
providesamethodforallvesselswithacommoninterest
(eg:ayachtcluborashingeet)tobecontactedwith
oneDSCcall.GroupMMSI’sareusuallyissuedbyaclub
ororganisationforusebymembersparticipatingingroup
activities(suchasyachtracingetc).
RANGE
TherangeofVHFtransmissionsdependsonantennaheight,
transmitterpowerandtheterrainoverwhichthesignals
pass.Shiptoshipcommunicationsshouldbepossible
overatleast8nauticalmilesanduptoabout27nautical
miles.Shiptoshorerangeswilloftenbegreaterduetothe
increasedheightoftheshoreantennaandcommunications
of25to50nauticalmilesarepossible.
DISPLAY MICROPHONE
Transmit
Indicator Low
Power
Busy
Indicator
DualWatch
Indicator
Scan
Memory
Channel
Display
DisplayMatrixKeyLock
Channel
Extender
TripleWatch
Indicator
Call
Alphanumeric
Keypad
Menu/
EnterKey
Clearkey
Downkey
Upkey
Keylockkey
PushtoTalk
(Optional MC540)
Call
Clearkey
Downkey
Upkey
PushtoTalk
MC516

GX600D INSTRUCTIONMANUAL PAGE5
VOLUME ON/OFF
Rotatethevolumecontrolclockwisepastthe‘click’toturn
theGX600DON.YouruserMMSIisdisplayedmomentarily
atswitch-on.Whilereceivingasignal,continuetorotate
clockwisetoincreasethesoundinthespeaker.Rotatethe
controlfullycounterclockwisepastthe‘click’toturnthe
GX600DOFF.
NOTE: Atminimumvolumesettingthereisstillsufcient
volumetobeheardinaquietcabinenvironment.
CHANNEL SELECTION
Standard Marine Channels
Brieypressthe keytostepupwardsonechannelorthe
keytostepdownwardsonechannel.Ahighbeepwillbe
heardateachpress.The or keysarealsoduplicated
onthefrontofthemicrophone.
Press and hold the or keysfor1.5secondstoscroll
quicklyupwardsordownwardsthroughthechannelsat
arateof10channelspersecond.Whenthekeyisreleased
channelscrollingstops.
Weather Channels
TheUSweatherchannelsareavailableonlywhenthe
USAChannelSethasbeenselected.Whenavailable,
weatherchannelsarenumbered01–10andareinserted
intothenormalchannelsequencebelowmarinechannel
01.Theyareselectedintheusualwayusingthe or
keys.WeatherchannelsareidentiedbytheWXiconon
thedisplay.
Private Channels
Upto20privatechannelscanbeprogrammedinto
theGX600Dfororganisationsthathavebeenofcially
allocatedspecialfrequencies.Privatechannelsare
programmedonapplicationbyyournearestGMEbranch
ofce.Allrequestsforprivatechannelprogrammingmust
besupportedbyACMA(AustralianCommunicationsand
MediaAuthority)documentation.
Ifprivatechannelshavebeeninstalledtheywillappearas
A0–A9andB0–B9aboveCH88.
SQUELCH
To open the squelch:
BrieypresstheSQLkey.Alowbeepwillbeheardandthe
squelchwillopen.BrieypresstheSQLkeyagaintoclose
thesquelch.Ahighbeepwillbeheardandthesquelchwill
berestoredtoitspresetlevel.
Setting the Squelch Preset Level:
Thepresetsquelchlevelcanbeadjustedtosuitlocal
conditions.Ifyouareinanelectricallynoisylocationor
unwantedweaksignalskeepopeningthesquelch,you
canadjustthesquelchsettingsothattheGX600D
remainsquiet.Notethatincreasingthepresetsquelch
levelwillmeanthatstrongersignalswillberequiredto
overcomethesquelchandmayresultinmissedcalls
fromweakersignals.
Thebestsettingistheminimumonerequiredtokeepthe
receiverquiet.
To enter the Squelch setting mode:
Press and hold the SQLkeyfor1.5secondsuntilahigh
beepisheard.Thepresentsquelchsettingwillbedisplayed
indigitsfrom-1to-9with-1beingminimumand-9being
maximumsquelch.Thedefaultsettingis-2.Whileinthis
mode,brieypressthe or keystoincreaseordecrease
thesquelchlevelrespectivelyasrequired.Brieypressthe
SQLkeyagaintoexitthesquelchsettingmodeorwait
5secondsanditwillexitautomatically.Alowbeepwill
beheard.
Keylock (Optional MC540 microphone only)
Tolockthekeypadpressandholdthe keyonthe
MC540microphone.Ahighbeepwillbeheardandthe
symbolwillbedisplayed.Pressandholdthe
keyagaintocancelthekeylockfunction.
Whilekeylockisenabled,onlythePTT,,SQL,
16 and DISTRESSkeysareaccessible.Allotherkeys
arelocked.
Pressing 16willcancelthekeylockandreverttoChannel
16onhighpower.
Pressing DISTRESSwillcancelthekeylockandactivate
thedistressmenu.
TRANSMITTING
To Transmit:
Press the Push to Talk (PTT)switchonthemicrophone.
Holdthemicrophoneabout5-8cmfromyourfaceand
speakatanormalvoicelevel.Themicrophoneisquite
sensitivesoitisnotnecessarytoraiseyourvoiceorshout.
ReleasethePTTwhenyouhavenishedtalking.
NOTE: PTTtransmissionsaredisabledonChannel70.
Time-out Timer
Excessivetransmissiontimeiscontrolledbyatime-out
timer.IfthePTTisheldformorethan5minutes,the
transmitterwillbetemporarilydisabledtoprevent
accidentaljammingofthechannelfrequency.Tenseconds
beforethetimeoutoccurs,the‘TX’iconwillashanda
lowwarningbeepwillsoundtonotifyyouoftheimpending
timeout.Oncethetimeoutoccurs,boththebacklightand
the‘TX’iconwillashandanotherlowwarningbeepwill
beheard.Atthistimethetransmitterisdisabled.

To reset the timer and re-enable the transmitter:
ReleasethePTTswitchandwait10seconds.Duringthis
timetheradiowilldisplay‘TXINHIBITEDFOR10SECS’.
NOTE: EvenifthePTTswitchisreleasedduringthe10
secondwarningperiod,thePTTwillstillbeinhibitedfor
10 seconds after the PTTisreleased.
CHANNEL 16
Brieypressthe16keytoswitchstraighttoChannel16.
Allpreviouscontrolsettings(suchasscanningorlow
transmitterpower)willbecancelledandtheradiowill
be restored to normal operation with high transmit
powerselected.
SELECTING CHANNEL SETS
TheGX600DisprogrammedwiththreeChannelSets
-International,USAandCanada.TheseChannelSets
supportvariouschannelandfrequencyallocationsforother
partsoftheworld.Onceyouhaveselectedtherequired
ChannelSetforyourlocation,youshouldnotneedto
changeitagainunlessyouhavemovedtoanothercountry.
When using the GX600D in Australia:
TheInternationalChannelSetshouldbeselected.
To change the Channel Set:
PleaserefertotheCongurationMenuSetuponpage17
ofthismanual.
DISPLAY BACKLIGHTING/ CONTRAST
TheLCDdisplayisbacklitforeasyviewingatnight.The
brightnessandcontrastofthebacklightingcanbeadjusted.
Backlightsettingsareaccessedthroughthemenu.For
detailsonsettingthedisplaybrightnessorcontrastplease
refer to the CongurationMenuSetuponpage16ofthis
manual.
TRANSMIT POWER
TheGX600DhasbothHigh(25Watt)andLow(1Watt)
transmitterpowersettings.Forlongrangetransmissionsthe
powershouldbesetto25Watts.Forlocaltransmissionsa
1Wattsettingwillconservepowerandreduceinterference
tonearbyradios.Thedefaultsettingis25Watts.
To switch between High and Low transmitter
power:
Brieypressthe25/1Wkey.AhighbeepindicatesHigh
power is selected while a low beep indicates Low power
isselected.WhenLowpowerisselected‘LO’isdisplayed.
NOTE: TheradioalwaysdefaultstoHighpowerwhen
Channel16isselected.
• SelectingChannel16usingthe16keywillresetALL
channelstoHighpower.
• SelectingChannel16usingthe or keysresetsonly
channel16toHighPowerbutretainsanyLowpower
settingontheotherchannels.
• TospecicallyuseLowpoweronChannel16,select
channel16thenbrieypressthe25/1Wkeytoselect
lowpower.‘LO’willbedisplayed.
WORKING CHANNEL MEMORY
TheGX600Dhasadedicated‘workingchannel’memory
calledChannelAwhichallowsyoutostoreandrecallan
often-usedworkingchannel.Thememoryisaccessedusing
the CHAN Akey.ChannelAisalsousedasthepriority
channelfortheTripleWatchfunction(seepage7).
To Store a Frequency into Channel A:
Selecttherequiredchannelusingthe or keys,
then press and hold the CHAN Akeyfor1.5seconds.
Thechannelnumberwillashthenahighbeepwill
beheardasthechannelisstored.
To Recall Channel A:
BrieypresstheCHAN Akeytoswitchimmediatelytothe
channelstoredinthatmemory.Iftheradiowasscanning
thescanwillbecancelled.
DUAL WATCH KEY (DW)
TheDualWatchfunctionisa2channelscanfeaturewhere
theGX600DswitchesbetweenChannel16andanyother
selectedchannel.Thisallowsyoutomonitoraworking
orclubchannelwhilestillbeingabletoreceiveimportant
broadcastsonChannel16.
To use the Dual Watch function:
Selectyourpreferredworkingchannel-eitherwiththe
or keysorbyselectingtheCHAN Amemory-then
brieypresstheDWkey.Ahighbeepwillbeheardand
both‘DW’and‘CH16’willappearonthedisplaytoindicate
youareDualWatchingtheselectedchannelwithChannel
16.TheGX600Dwillnowmonitortheselectedchannel
ANDChannel16byalternatingequallybetweenthem.
Duringthistimethechanneldisplaywillremainonthe
selectedchannel.
To cancel Dual Watching:
BrieypresstheDWkeyagain.
DUAL WATCH FEATURES
If a signal appears on Channel 16:
TheradiowillswitchimmediatelytoChannel16and‘16’
willbedisplayed.Atthispointtheselectedchannelisno
longerbeingmonitoredbecauseChannel16haspriority.
PAGE6 INSTRUCTIONMANUAL GX600D

GX600D INSTRUCTIONMANUAL PAGE7
DuringthistimethePTTmaybepressedfornormal
transmissionsonChannel16.Oncechannel16hasbecome
inactivefor5secondstheDualWatchfunctionwillresume.
If a signal appears on the selected channel:
ScanningwillpauseontheselectedchannelBUTChannel
16willcontinuetobemonitoredevery2seconds.During
this time the PTTmaybepressedfornormaltransmissions
ontheselectedchannel(notethatmonitoringofChannel
16ceaseswhiletransmitting).Oncetheselectedchannel
hasbecomeinactivefor5secondstheDualWatchfunction
willresume.
To Transmit on the selected Channel while
Dual Watching:
SimplypressthePTT.TheDualWatchfunctionwillpause
ontheselectedchannelduringthetransmissionandremain
pauseduntil5secondsafterallactivityhasceasedonthe
channel.DualWatchwillthenresume.
To Transmit on Channel 16 while Dual Watching:
Press the 16keytoselectChannel16.Dualwatchwillbe
cancelledandtheradiowillswitchstraighttoChannel16.
NowpressthePTTandtransmitintheusualway.
Whenyourconversationhasended,presstheDWkey
toresumeDualWatching.
To change the selected Channel while
Dual Watching:
Simplyselectanotherchannelusingthe or keys.Dual
Watchingcontinuesonthenewlyselectedchannel.
TRIPLE WATCH KEY (TW)
TheTripleWatchfunctionisanextensionoftheDual
Watchfeature.ItallowstheGX600DtomonitorChannel
16,aselectedchannelANDaprioritychannel.Each
channelisscannedequallyforsignalswithprioritygiven
rsttoCH16,thenthePrioritychannelandlastlythe
selectedchannel.
WhenTripleWatchisselectedthe‘TW’iconisdisplayed
alongwithChannel16,theselectedChannelandthe
PriorityChannel.The‘Priority’Channelistheonestored
intheCHANAmemory.
To use the Triple Watch mode:
Firstprogramyourprioritychannel(thedefaultpriority
channelis9)intotheCHANAmemory,thenselectyour
preferredworkingchannelusingthe or keys.
NowpressandholdtheTWkeyfor1.5secondsuntil
ahighbeepisheard.‘TW’andtheselectedchannel
willbedisplayedalongwithCH16andthePriority
Channelnumber.
To change the selected channel at any time:
Press the or keys.
To cancel Triple Watch
BrieypresstheTWkeytoswitchtoDualWatchmode.
A high beep will be heard
OR
Press and hold the TWkeytoreturntonormaloperation.
Alowbeepwillbeheard.
TRIPLE WATCH FEATURES
If a signal appears on Channel 16:
TheradiowillswitchimmediatelytoChannel16and
‘CH16’willbedisplayed.Atthispointtheselected
channelandthePrioritychannelarenolongerbeing
monitoredbecauseChannel16hashighestpriority.During
this time the PTTmaybepressedfornormaltransmissions
onChannel16.OnceChannel16hasbecomeinactivefor
5secondstheTripleWatchfunctionwillresume.
If a signal appears on the Priority channel:
ScanningwillpauseonthePrioritychannelBUTChannel16
willcontinuetobemonitoredevery2seconds(theselected
channelisnotmonitored).DuringthistimethePTTmay
bepressedfornormaltransmissionsonthePrioritychannel
(monitoringofChannel16ceaseswhiletransmitting).Once
thePrioritychannelhasbecomeinactivefor5seconds
TripleWatchwillresume.
If a signal appears on the selected Channel:
ScanningwillpauseontheselectedchannelBUTchannel
16andthePrioritychannelwillcontinuetobemonitored
every2seconds.DuringthistimethePTTmaybe
pressed for normal transmissions on the selected channel
(monitoringofchannel16andthePrioritychannelceases
whiletransmitting).Oncetheselectedchannelhasbecome
inactivefor5secondstheTripleWatchwillresume.
To Transmit on the selected Channel
while Triple Watching:
SimplypressthePTT.TheTripleWatchfunctionwillpause
duringthetransmissionandremainpauseduntil5seconds
afterallactivityhasceasedonthechannel.TripleWatchwill
thenresume.
To Transmit on the Priority channel
while Triple Watching:
Brieypressthe CHAN A.TripleWatchiscancelledand
thePrioritychannelwillbecometheselectedchannel.Now
press the PTTandtransmitintheusualway.Whenyour
conversationhasended,re-selectyourselectedchannel.

To Transmit on Channel 16 while Triple Watching:
Press the 16key.TripleWatchwillbecancelledand
theradiowillswitchstraighttoChannel16.Nowpressthe
PTTandtransmitintheusualway.Whenyourconversation
hasended,pressandholdtheTWkeytoresumeTriple
Watching.
SCANNING
TheScanfunctionallowstheGX600Dtoscanthrough
aseriesofuserselectedchannelslookingforactivity.
Scanningisdoneinanascendingsequenceatarate
of10channelspersecond.
Channels can be selected and stored for scanning from
anyoftheavailablechannels,includingweatherchannels
(iftheUSAchannelsetisselected)andprivatechannels
(iftheyareenabled).
NOTE: Thetransmitterisdisabledwhilescanning.Ifthe
PTTispressed,alowbeepwillbeheardandthePTTis
ignored.
To store Channels for Scanning:
Selecttherequiredchannelusingthe or keys,then
press and hold the SCANkeyfor1.5seconds.Ahigh
beepwithbeheardand‘M’willappearnexttothe
channelnumber.
Repeattheprocesstoremoveapreviouslystoredchannel
fromthescanlist.Whenachannelisremovedalowbeepis
heardand‘M’disappearsfromthedisplayonthatchannel.
To begin Scanning:
BrieypresstheSCANkey.TheGX600Dwillscanupwards
throughthestoredchannelsat10channelspersecondand
thedisplaywillshowrapidlychangingchannelnumbers.
Ifasignalislocated,scanningwillpauseonthatchannel
andwillremainfor5secondsafterthesignalhasgone.
Scanningwillthenresume.
To Stop the Scan:
BrieypresstheSCANkeyagain.Theradiowillreturnto
thelastselectedchannel.
SCANNING FEATURES
If the scan is paused on a busy channel
and you wish to remain on that channel:
BrieypresstheSCANkey.Scanningwillbecancelledand
theradiowillremainonthatchannel.Toresumescanning,
brieypresstheSCANkeyagain.
If the scan is paused on a busy channel and you
wish to skip over that channel:
BrieypresstheSCANkeytwice.Scanningwillresume
withthenextchannelinsequence.
If the scan is paused on a busy channel
and you wish to transmit on that channel:
SimplypressthePTTswitch.Scanningwillbecancelled
andtheradiowillremainonthatchannel.
NOTE: ifthePTTispressedatanyothertimewhile
scanning,alowbeepwillbeheardandthePTTwill
beignored.
To switch immediately to Channel 16:
Brieypressthe16key.Channel16willbeselected,
scanning will be cancelled and the radio will be restored
tonormaloperationwithhightransmitterpowerselected.
To switch immediately to the stored working
channel (CHAN A):
BrieypresstheCHAN Akey.Scanningwillbecancelled
and the radio will switch to the channel stored in the
CHANAmemory.
Scanning Notes:
1.Eachchannelsethasitsownindependentscanmemory.
E.g.ScanchannelsstoredundertheInternational
channeldonotaffectthosestoredundertheUSA
channelset.
2.Aminimumof2channelsisrequiredinthescanmemory
beforescanningisallowed.Iftherearelessthat2
channels,pressingtheScankeywillgivealowbeep
andthescanwillbeignored.
3.Thefollowingkeys/functionsaredisabledwhile
scanning:
•PTT
•25/1W
•Scanmemorystorage
• and keys
Scanning with Dual Watch:
IfDualWatchisselectedwhilescanning,Channel16
willbeinsertedintothescaneveryfthchannel.
Scanning with Triple Watch:
IfTripleWatchisselectedwhilescanning,Channel16and
theprioritychannel(storedintheCHANAmemory)will
bothbeinsertedintothescaneveryfthchannel.
DIGITAL SELECTIVE CALLING (DSC)
DigitalSelectiveCalling(DSC)usesdigitaldatatoprovide
automaticdistressalertingandpositionreportingbetween
DSCequippedradios.Usingpresetfunctionsbuiltinto
theradio,youcanmakearangeofautomateddigitalcalls
includingDistressCalls,AllShipsandGroupCallsaswell
ascallstoindividualradios.WiththeadditionofaGPSyou
PAGE8 INSTRUCTIONMANUAL GX600D

GX600D INSTRUCTIONMANUAL PAGE9
canalsosendyourpositiontoanothervesselorrequest
theirposition.DSChasanumberofadvantagesover
voicecallsincludingtheabilitytohandleincreasedradio
trafcandtheautomaticidenticationofyourshipandits
positionintheeventofanemergency.
DSCispartoftheGlobalMaritimeDistressandSafety
System(GMDSS)andwilleventuallyreplaceaudible
listening-watchesondistressfrequencies.Itwillalsobe
usedtoannounceroutineandurgentmaritimesafety
informationbroadcaststoothershipsinthearea.
DSCcallsaresentandreceivedonCH70.TheGX600D
hastworeceivers,oneofwhichisdedicatedtoCH70.
Therefore,regardlessofwhichchannelyouareoperating
on,theGX600DwillnotmissaDSCcall.
USER MMSI (MARINE MOBILE SERVICE
IDENTITY)
AUserMMSIisa9-digitnumberusedtoidentifyaDSC
capableRadio.Thenumberisusedtoselectivelycallother
vesselsandisissuedbyyourlocalMaritimeAuthority
(AMSAinAustralia).
NOTE: BeforeyoucanuseDSC,youmusthaveentered
yourUserMMSInumberintoyourGX600D.Ifyoudon’tyet
haveaUserMMSI,pleaseregisterwithyourlocalMaritime
AuthoritywhowillthenissueauniqueMMSInumber.
PleaserefertotheUserMMSIsectionoftheConguration
Menuonpage19ofthismanualforinstructionson
enteringyourUserMMSI.
DISTRESS CALLS
To make a DSC Distress Call:
AlwaysusetheRedDISTRESSbuttonontheGX600D’s
frontpanel.TomakeanyotherDSCcall,usetheCALL
buttononthemicrophone.
MAKING A DISTRESS CALL:
1.OpentheRedDISTRESScover.
2.BrieypresstheDISTRESSkey.Thedisplayshowsthe
‘Natureofdistress’Menulist.
3.Usethe or keystoselectthenatureofthedistress.
Thelistincludes:Undened,Fire,Flooding,Collision,
Grounding,Listing,Sinking,Disabled,Abandoning,
PiracyandManOverboard.
4.Withthecorrectdistressitemselected,pressandhold
the DISTRESSkeyfor5seconds.Thedisplaywillash
andtheradiowillcountfrom5downto1,beepingat
eachcount.
NOTE:Tocancelthedistresscall,releasetheDISTRESS
keybeforethecountdowniscompleted.Theradiowill
returntonormaloperationonCH16.
5.Whenthecountdowniscomplete,theDISTRESScallwill
besentonChannel70(whetherCH70isbusyornot).
Afterthedistresscallissent,theradioswitchestoCH16
andthedisplayshows‘DISTRESS’and‘WaitAck…’to
indicate it is now in the distress mode and is waiting for
anacknowledgementfromanotherradio.
Whileindistresscallmode,theGX600DissetonCH16
andtheusercannotchangechannels.Thekeysonthe
microphonearedisabledandallfrontpanelkeysexceptfor
SQLaredisabled.IfthePTTispressed,theradiotransmits
onCH16onHIpower.
Ifanacknowledgementisnotreceived,thedistresscall
willberesentataround4minuteintervals(whetherCH70
isbusyornot)–foraslongastheradioremainsinthe
distresscallmode.
NOTE: A distresscallcanalsoberesentimmediatelyatany
timebyholdingtheDISTRESSkeyagainfor5seconds.
ThedistresscallmodeiscancelledwhenaDISTRESS
ACKNOWLEDGEisreceivedorthe16keyispressed.
TheradiothenreturnstonormaloperationonCH16.
NOTE: ADistressAcknowledgeresponseisgenerallysent
byacoastalbasestation.
RECEIVING A DISTRESS CALL
When a Distress Call is received:
IfAutochannelintheSetupMenuistoONtheGX600D
switchestoCH16andgeneratesanaudibleDistressAlert
alarm.
IfAutoChannelissettoofftheGX600Dwillask“setto
CH16?”presstheCALLbuttontoacceptandswitchto
CH16orpressthe– keytostopthealarmandremainon
thecurrentchannel.
Theradio’sdisplaythenalternatesbetweenthenameand
positionofthevesselindistressandthetimeandnature
oftheemergencyat3secondintervals:
Press the –keytocancelthealarmbutcontinuedisplaying
theemergencyinformation.
DISTRESS:
WAIT ACK . . .
DISTRESS:
SIRIUS
S 45° 23.48’
E 151°21.14’
Name & Position
of Vessel
DISTRESS:
LISTING
05:32 UTC
Nature of Distress
& Time

Press the –keyagaintoreturntoNormaloperatingmode
onCH16.
MAKING ALL OTHER DSC CALLS
AllotherDSCcalls-apartfromdistresscalls-aremade
usingtheCALLbuttononthemicrophone.
DSC MENU NAVIGATION
To access the DSC Call menu:
Press the CALLbuttononthemicrophone.The‘CALL’Menu
willbedisplayedprovidingarangeofDSCcalloptions.
To navigate the Call Menu:
Press the or keystomoveupordownthroughthe
availablemenuoptions.
Press the CALL buttontoselectthecurrentmenuselection.
Press the –keytoquitthecurrentmenuselection.
Press the –keyagaintoexitthe‘CALL’menuandreturn
tonormaloperation.
NOTE: AtanytimeinDSCmode,includingDistressCalls,
pressthe16keytocancelDSCmodeentirelyandreturn
theradiotonormalmodeonHIpower.
DSC CALL MENU OPTIONS
Individual Calls:
Usethe‘IndividualCall’optiontoalertaspecicvesselthat
youwishtocommunicatewiththemonaspeciedchannel.
Ifthecalledvessel’sradioisonadifferentchannel,their
radiowillchangetothechannelyouspecify.
NOTE:TomakeanindividualDSCcallyoumustknowthe
MMSIofthevesselyouarecalling.
To make an Individual Call:
1. PresstheCALL button.TheDSCCallmenuwillbe
displayed.
2. Select‘INDIVIDUAL’andpresstheCALL button.The
MMSInumbereldwillbedisplayed.
3. Enterthevessel’sMMSInumber
Youcaneither;
 i.Pressthe keytoretrievethelastcalledMMSI
or
 ii.Pressthe keytoselectavessel’sMMSIfromthe
AddressBook
or
 iii.Manuallyenterthevessel’sMMSIasfollows;
 a.PressandholdtheCALL buttontoentertheEDIT
mode.
 b.Usethe or keystoentertherstdigitofthe
UserMMSInumber.
 c.PresstheCALL buttontomovetothenextdigit
position.Repeatuntilall9digitshavebeenentered.
NOTE: Tocorrectanerrorduringentry,presstheCALL
buttonrepeatedlytomovethecursorpositiontothe
incorrectdigitthenusethe or keystochangethedigit
atthatlocation.
4. OncethecorrectMMSIhasbeenenteredorselected,
press the CALL button.‘SELECTCHNL’isdisplayed.
5. Selectthechanneltobeusedforvoicecommunication
usingthe or keysthenpresstheCALL button.
6. ‘SENDCALL’isdisplayed.PresstheCALL button
tosend.
NOTE: IfyouarecallingaCoastStationyouwillnotbe
askedtoselectachannel.InsteadtheCoastStationwill
decidethechanneltobeused.
Oncethecallhasbeensent,theradiowillwaitforan
acknowledgement.Ifanacknowledgementisreceivedthe
radiodisplays.
Press the –key(orwaitafurther5seconds)fortheradio
toreturntoNormalmode.Youcannowhavenormalvoice
communicationsontheselectedchannel.
If NO Acknowledgement is received:
Itislikelythatthevesselyoucalledisswitchedofforoutof
range.Ifnoresponseisreceivedwithin5secondstheradio
displays:
Press the –key(orwaitafurther5seconds)fortheradioto
returntoNormalmode.
PAGE10 INSTRUCTIONMANUAL GX600D
CALL FROM:
SIRIUS
ACKNOWLEDGE
CALLING . . .
SIRIUS
NO REPLY
CALL
> INDIVIDUAL
ALL SHIPS
GROUP
SEND CALL
MMSI:
SEND CALL?
SIRIUS
CALL
SIRIUS:
SELECT CHNL

GX600D INSTRUCTIONMANUAL PAGE11
If an acknowledgment is received but the other
radio is unable to comply:
Thisindicatesthecalledvessel’sradiohasreceivedand
acknowledgedyourcall,butcouldnotchangetothe
requestedchannel.Thiscouldmeanthecalledvessel’sradio
isconguredformanualreplyorisinamodewherethe
operatordoesnotwantthechanneltochange.
Theradiodisplays:
Press the –key(orwaitafurther5seconds)forradioto
returntoNormalmode.
ALL-SHIPS CALL
AnAll-ShipscallisaDSCbroadcasttoalertallshipsin
thearea.ItistheequivalenttosendingaPAN-PANor
SECURITEvoicecall.SincethecallistoAllShipsandnotto
anindividualvessel,acallingMMSIisnotrequired.Ships
receivinganAll-ShipscallwillchangetoCH16.
To make an All Ships call:
1. PresstheCALL button.
2. Select‘ALLSHIPS’andpresstheCALL button.
3. Select‘URGENCY’or‘SAFETY’asappropriateandpress
the CALL button.
4. Theradiowilldisplaythe‘SELECTCHNL’optionbutwill
defaulttoChannel16automatically.
5. Ifanotherchannelisrequiredusethe or keysto
selectanalternatechannel,otherwisepresstheCALL
buttontouseChannel16.
6. ‘SENDCALL?’‘ALLSHIPS’willbedisplayed.
7. PresstheCALL buttontosendthecall.
TheradioreturnstoNormalmodeonChannel16(oryour
alternativeselectedchannel)assoonasthecallhasbeen
sent.
NOTE: ThereisnoDSCacknowledgetoanAllShipscall.
GROUP CALL
AGroupCallisusedtocontactallshipsthathavethesame
GroupMMSI.AllshipsreceivingaGroupcallwillchangeto
thespeciedchannel.Forexamplethiscouldbeused
toalertallyachtsinaracetoannounceachangeinthe
raceconditions.
To make a Group Call:
1.PresstheCALLbutton
2.Select‘GROUP’andpresstheCALLbuttonagain.The
GroupMMSIusedistheoneprogrammedintoyour
radio(seeCongurationMenu).
3.Selectchanneltobeusedforsubsequent
communicationsthenpressCALL.
4.‘SendCALL?Group’isdisplayed
5.PressCALL again to send the call
TheradioreturnstoNormalmodeontheselectedchannel
assoonasthecallhasbeensent.
NOTE:ThereisnoDSCacknowledgetoaGroupcall.
POSITION REQUEST
APositionRequestisusedtoobtainthepositionof
anothervessel.Theothervessel’spositionisdisplayedon
yourradio’sLCD.Ifyouhaveachartplotterconnectedto
theGX600D,thepositionoftheothervesselcanalsobe
displayedonthechartplotter’sscreen.
To make a Position Request:
1. PresstheCALLbutton
2. Select‘POS REQUEST’ then press the CALLbutton
3. EnterthevesselsMMSI.
Youcaneither;
 i.Press the keytoretrievethelastcalledMMSI
or
 ii.Press the keytoselectavessel’sMMSIfromthe
AddressBook
or
CALL FROM:
SIRIUS
ACKNOWLEDGE
NOT COMPLY
CALL
INDIVIDUAL
ALL SHIPS
> GROUP
CALL
GROUP
SELECT CHNL
CALLING . . .
GROUP
SEND CALL?
GROUP
CALL
INDIVIDUAL
> ALL SHIPS
GROUP
ALL SHIPS
> URGENCY
SAFETY
CALL
ALL SHIPS
SELECT CHNL
SEND CALL?
ALL SHIPS

 iii.Manuallyenterthevessel’sMMSIasfollows;
  a.PressandholdtheCALLbuttontoenterthe
EDITmode.
 b.Usethe or keystoentertherstdigit
ofthevessel’sMMSInumber.
 c.PresstheCALLbuttontomovetothenext
digitposition.Repeatuntilall9digitshave
beenentered.
NOTE:Tocorrectanerrorduringentry,presstheCALL
buttonrepeatedlytomovethecursorpositiontothe
incorrectdigitthenusethe or keystochangethedigit
atthatlocation.
4.OncethecorrectMMSIhasbeenenteredorselected,
press the CALLbutton.‘SENDCALL’isdisplayed.
5.PresstheCALLbuttontosend.
Position Request Responses
If NO acknowledgement is received:
Itislikelythatthevesselyoucalledisswitchedofforout
ofrange.Ifnoresponseisreceivedwithin5secondsthe
radiodisplays:
Press the –key orwaitafurther5secondsfortheradioto
returntoNormalmode.
If an acknowledgement is received:
Thedisplaywillalternatebetweenpositionandtimeas
shownbelow.ThepositionisdisplayedontheLCDas
Lat/LonginDegrees,MinutesandDecimalMinutes.Ifa
Chartplotterisattached,thepositionisalsosenttothe
ChartplotterandappearsontheChartplotter’sdisplay.
NOTE: IftheradioyouarecallingdoesnothaveaGPS
connectedortheGPSsignalisnotvalid,theGPSposition
datawillbeinvalid.Inthatcase,thepositionusedwillbe
themanuallysetposition.Ifthemanualpositionhasnot
beensetorhasn’tbeenupdatedwithin23hours,then
positiondataissentas:‘N99`99E999’99’toindicate
positiondataisinvalid.Whenthisisreceivedonthe
GX600Ditwillbedisplayedas:
Press the –key(orwait5seconds)fortheradiotoreturnto
Normalmode.
The called radio cannot comply:
Thecalledvessel’sradiohasreceivedyourrequest,butcould
notsendit’sposition.Thiscouldmeanthecalledvessel’s
radioisconguredformanualreply,orisinamodewhere
PositionRequestsaredenied(see‘PositionReply’settingon
page17intheCongurationMenu).
Press the –keyorwaitafurther5secondsfortheradioto
returntoNormalmode.
Position Send
‘PositionSend’isusedtomanuallysendYOURpositionto
anothervessel.Forexample,anothershipmayrequestyour
positionusingvoicecommunications.Insteadofspeaking
thelatitudeandlongitudeoveravoicechannel,youcan
sendyourpositionviaDSCwhichcanthenbedisplayed
ontheothership’sradioordirectlyontotheirchartplotter’s
screen.
To send a ‘Position Send’ Call:
1. PresstheCALLbutton
2. Select‘POSSEND’thenpresstheCALLbutton
3. EnterthevesselsMMSI.
Youcaneither;
 i.Pressthe keytoretrievethelastcalledMMSI
or
 ii.Pressthe keytoselectavessel’sMMSIfromthe
AddressBook
or
iii.Manuallyenterthevessel’sMMSIasfollows;
 a.PressandholdtheCALLbuttontoenterthe
EDITmode.
PAGE12 INSTRUCTIONMANUAL GX600D
CALLING . . .
SIRIUS
NO REPLY
CALL FROM:
SIRIUS
POSITION
01:35 UTC
Displays time in UTC
CALL FROM:
SIRIUS
S 33° 49.30’
E 151° 07.15’
Displays Position
CALL FROM:
SIRIUS
POSITION
_ _:_ _ UTC
CALL FROM:
SIRIUS
S _ _° _ _._ _’
E _ _ _° _ _. _ _’
CALL
ALL SHIPS
GROUP
> POS REQUEST
SEND CALL
MMSI:
CALLING . . .
SIRIUS
CALLING . . .
SIRIUS
NO REPLY

GX600D INSTRUCTIONMANUAL PAGE13
  b.Usethe or keystoentertherstdigit
ofthevessel’sMMSInumber.
  c.PresstheCALLbuttontomovetothenext
digitposition.Repeatuntilall9digitshave
beenentered.
NOTE: Tocorrectanerrorduringentry,presstheCALL
buttonrepeatedlytomovethecursorpositiontothe
incorrectdigitthenusethe or keystochangethedigit
atthatlocation.
4. OncethecorrectMMSIhasbeenenteredorselected,
press the CALLbutton.‘SENDCALL’isdisplayed.
5. PresstheCALLbuttontosend.
TheradioreturnstoNormalmodeonthecurrentchannel
assoonasthecallhasbeensent.
NOTE: ThereisnoDSCacknowledgementofa‘Position
Send’call.
RECEIVING DSC CALLS
WhenaDSCcallisreceived,theGX600Dautomatically
respondsdependingonthetypeofcall.IfaGPSis
connectedtothecaller’sradioandisreceivingavalidsignal
thentheirGPStimeisusedtodisplaythetimeofthecallon
yourGX600D’sdisplay.
ReceivedcallsaresavedtotheCallLog.ReceivedDSC
Acknowledgecallsarenotsavedinthecalllog.
Receiving an Individual Call
Whenan‘Individual’callisreceived,theGX600Dchanges
totherequestedchannel(if‘AutoCHNL’ison)and
generatesanaudible‘IndividualCall’alarm.Thedisplay
thenshows:
YourGX600DautomaticallytransmitsaDSCacknowledge
backtothecaller.
NOTE: IftheGX600DisconguredforManualTXtheradio
willnotchangechannelandtheacknowledgecallwillbe
‘Unabletocomply’.
Tocancelthealarm,pressanykey.Theradioreturnsto
‘Normal’modeonthecurrentchannel.
Receiving an All Ships Call
WhenanAllShipscallisreceived,theGX600Dswitchesto
CH16andgeneratesanaudibleAll-ShipsUrgency/Safety
alarm.TheDisplayshows:
Pressanykeytocancelthealarm.Theradioreturnsto
NormalmodeonCH16.
Receiving a Group Call
WhenaGroupCallisreceived,theGX600Dchangesto
therequestedchannel(if‘AutoCHNL’ison)andgenerates
anaudibleGroupCallalarm.
Thedisplayshows:
Pressanykeytocancelthealarm.Theradioreturnsto
Normalmodeonthecurrentchannel.
Receiving a Position Request
WhenaPositionRequestisreceived,yourGX600D
generatesaDSCPositionReplymessagethendisplays
thefollowing:
Pressanykeytoclearthedisplay.Theradioreturnsto
Normalmodeonthecurrentchannel.
Receiving a Position Send
WhenaPositionSendisreceived,yourGX600Ddisplays
alternatinginformationevery3secondstoindicatethe
GPStimeandthepositionofthecallingvessel:
CALL FROM:
SIRIUS
ROUTINE
CH12
GROUP CALL:
SIRIUS
CH12
CALL FROM:
SIRIUS
POSITION REQ
CALL FROM:
SIRIUS
POSITION
01:35 UTC
GPS Time of
Calling Vessel
CALL FROM:
SIRIUS
S 33° 49.30’
E 151° 07.15’
Position of
Calling Vessel
CALL
INDIVIDUAL
POS REQUEST
> POS SEND
SEND CALL
MMSI:
CALLING . . .
SIRIUS
ALL SHIPS:
SIRIUS
URGENCY

IfachartplotterisconnectedtoyourGX600D,theposition
ofthecallingshipisdisplayedonthechartplotter.
Pressanykeytoclearthedisplay.Theradioreturnsto
Normalmodeonthecurrentchannel.
CONFIGURATION MENU
TheGX600Diseasilyconguredusingamenusystem.The
menuallowsaccesstothefollowingoptions:
• Address Book:Add,EditandErasefrequentlycalled
stationsinyouraddressbook
• Call Log:Keeptrackofincomingcallsandreturncalls
recordedinthelog.Callsarecategorisedseparatelyas
RoutineorDistressforeasyidentication.
• Display:Changeyourdisplay’sbrightnessandcontrast.
• Setup:Adjustkeybeepsandalarmvolumesettings,
selectthechannelband,addnamestochannels,
congureDSCresponseparametersandselectNMEA
baudrates.
• GPS Setup:EnterLat/Long,UTCtimeandtimeoffset
andcongureGPSdisplayandalertstatus.
• MMSI:EnteryourUserandGroupMMSIcodes.
USING THE MENU
NOTE: ThefollowingdescriptionappliestotheMC516
microphonesuppliedwithyourGX600D.Ifusingthe
optionalMC540keypadmicrophonepleaseusethe
alternativekeysasshowninthetablebelow.
For all menu items,rstpresstheVolumeknobto
accessthemainmenu.Onceyouareinthemainmenu,
mostfunctionscanbeaccessedfromthemicrophone.
• Usethe or keysonthemicrophone(orradio)to
scrollthroughthevariousmenuoptions.Selectedmenu
itemsareprexedwith‘>’.
• PresstheCALLbuttononthemicrophone(orthe
Volumeknobontheradio)toacceptyourselection.
• Pressthe–keyonthemicrophonetoquitthe
currentselectionorpressrepeatedlytoexitthemenu
completely.
• Whenenteringcharactersusethe or keystoselect
the character then press the CALLbuttontomovetothe
nextcharacterposition.
MENU OPTIONS
ADDRESS BOOK
Theaddressbookisusedtostorethenamesanduser
MMSI’sofothervessels.Thismakesiteasytoidentify
incomingDSCcallsandtomakeDSCcallstothosestations.
To select the Address Book:
1. Fromthemainmenu,pressthe or keystoselect
‘ADDBOOK’
2. PresstheCALLbuttontoaccept.
ThefollowingAddressBookoptionsareavailable
• ADD
• EDIT
• ERASE
To ADD a contact to the Address Book:
1. Select‘ADD’fromtheAddressBookmenuandpressthe
CALLbutton.‘Name’isdisplayed.
2. Usethe or keystoselecttherstcharacterofyour
contact’sname.PresstheCALLbuttontomovetothe
nextcharacterposition.
3. Repeatstep2untilallrequiredcharactershavebeen
entered.Upto11charactersareavailable.
4. Whennished,pressandholdtheCALLbuttonto
conrm.‘MMSI’isthendisplayed.
5. Usethe or keystoentertherstdigitofyour
contact’sMMSInumber.PresstheCALLbuttontomove
tothenextdigitposition.
6. Repeatstep5untilalldigitshavebeenentered.
7. PressandholdtheCALLbuttontoconrmandstorethe
contactintotheaddressbook.
NOTE: TocorrectanerrorwhileenteringanameorMMSI:
1. BrieypresstheCALLbuttonrepeatedlytomovethe
cursortothecharacteryouwishtoedit.Thecharacterat
thecursorpositionwillash.
2. Tochangethecharacteratthecursorposition,pressthe
or keys.
3. Todeleteacharactertotheleftofthecursorposition,
press the –key.
PAGE14 INSTRUCTIONMANUAL GX600D
FUNCTION MC516 MC540
Select/Enter Call/Volume Menu/Enter
Clear/Quit –Clear
Up
Down
EnterCharacters or Alpha/numeric
keypad

GX600D INSTRUCTIONMANUAL PAGE15
To EDIT a contact stored in the Address Book:
1. Select‘EDIT’fromtheAddressBookmenuandpressthe
CALLbutton.Alistofstorednamesisdisplayed.
2. Pressthe or keystoscrolltothedesirednamethen
press the CALLbuttontoselectit.TheNameandMMSI
oftheselecteditemisdisplayedwiththeashingcursor
positionedontherstcharacter.
3. ToedittheName,brieypresstheCALLbutton
repeatedlytomovethecursortothecharacterthat
requiresediting.Thecharacterwillash.
4. Pressthe or keystochangethecharacterin
thatposition.
5. Todeleteacharacterimmediatelytotheleftofthe
cursorposition,pressthe–key.
6. ToedittheMMSInumber,pressandholdtheCALL
button.ThecursorwillmovetotheMMSInumber.
7. RepeattheprocessabovetoedittheMMSInumber
asrequired.
8. Whennished,pressandholdtheCALLbuttontosave
theentryandreturntotheAddressBookmenu.
ERASING CONTACTS
To ERASE a single contact from the Address Book:
1. Select‘ERASE’fromtheAddressBookmenuandpress
the CALLbutton.
2. Select‘One-By-One’andpresstheCALLbutton.
3. Usethe or keystoselecttherequirednamethen
press the CALLbutton.‘EraseEntry?’isdisplayedalong
withthenameandMMSIofthecontact.
4. PresstheCALLbuttontoconrmdeletionorpressthe–
keytocancel.
To ERASE ALL contacts from the Address Book:
1. Select‘ERASE’fromtheAddressBookmenuandpress
the CALLbutton.
2. Select‘AllEntries’andpresstheCALLbutton.
3. ‘EraseAllAddBook?’isdisplayed.PresstheCALL
buttontoconrmorpressthe–keytocancel.
CALL LOGS
ThecalllogkeepstrackoftheDSCcallsyouhavereceived.
DSCcallsareloggedaseitherRoutineorDistress.Upto
10callscanbeloggedineachcategory.Loggedcallsare
numbered1–10withcall1beingthemostrecent.Ifmore
than10callshavebeenloggedtheoldestcallisdiscarded
whenanewcallislogged.
Viewing the Call Logs:
1. Select‘CALLLOG’fromthemainmenuandpressthe
CALLbutton.
2. Selecteither‘ROUTINE’or‘DISTRESS’fromtheCallLog
menuandpresstheCALLbutton.
3. Themostrecentlyloggedcallwillbedisplayedas
‘RECEIVED:1’alongwiththeMMSIofthecaller
anddetailsofthecall.Ifthecallerisinyouraddress
book,theirnamewillbedisplayedinplaceofthe
MMSInumber.
4. Pressthe or keystoviewadditionalloggedcalls.
To call a station listed in the Call Log:
1. Whentherequiredloggedcallisdisplayed,brieypress
the CALLbutton.
2. Usethe or keystoselecttherequiredchannelif
prompted.
3. PresstheCALLbutton.‘SendCall?’Isdisplayed.
4. PresstheCALLbuttonagaintosendthecall.
NOTE: Youcanalsocallstationsfromthecalllogusingthe
‘Call’optioninthesubmenu(describedbelow).
CALL LOG SUBMENU
Whiledisplayingthedetailsofaloggedcall,brieypress
the Volumeknobtoaccessadditionalsubmenuoptions
relatingtothedisplayedcall.Thefollowingsubmenu
optionsareavailable
• Call
• AddADDR
• Erase
To Call a station listed in the Call Log (alternate
method):
1. Whentherequiredloggedcallisdisplayed,pressthe
Volumeknobtoaccessthesubmenu.
2. Select‘Call’thenpresstheCALLbutton.
3. Usethe or keystoselecttherequiredchannelif
prompted.
4. PresstheCALLbutton.‘SendCall?’Isdisplayed
5. PresstheCALLbuttonagaintosendthecall.
To Add the listed caller to your Address Book:
1. Select‘ADDADDR’fromtheAddressbookmenuand
press the CALLbutton.Youwillbepromptedtoentera
nameforthisentry.

2. Enterthenameusingthe or keystoselecteach
character then press the CALLbuttontomovetothe
nextcharacterposition.
3. WhennishedpressandholdtheCALLbutton.The
MMSIwillbeautomaticallytransferredfromthecalllist
totheAddressEntrypage.
4. PressandholdtheCALLbuttonagaintoconrmand
storethenewcontactintheaddressbook.‘Saving’will
bedisplayedastheaddressisstored.
To Erase The Displayed Entry From The Call Log:
1. Select‘Erase’fromtheAddressbookmenuandpressthe
CALLbutton.‘EraseEntry?’isdisplayed
2. PressandholdtheCALLbuttontoconrm.
To Erase all Logged Calls:
1. Select‘EraseLogs’fromtheAddressbookmenuand
press the CALLbutton.‘EraseAll?’isdisplayed.
2. PressandholdtheCALLbuttontoconrm.
DISPLAY
Tocongurethedisplay,selectthe‘DISPLAY’optionfrom
themainmenu.ThefollowingDisplayoptionsareavailable
• Backlight
• Contrast
Backlight Adjustment
1. Toadjustthedisplay’sbacklighting,select‘Backlight’
fromtheDisplaymenuthenpresstheCALLbutton.
2. Usethe or keystoselect‘OFF’,‘DIM’or‘BRIGHT’.
Thedisplaychangesimmediatelywitheachselection.
3. PresstheCALLbuttontoaccepttheselection.
Contrast
1. Toadjustthedisplay’scontrast,select‘Contrast’fromthe
DisplaymenuthenpresstheCALLbutton.
2. Usethe or keystoadjustthecontrastsothatthe
displayiseasilyreadable.Thecontrastwillchangewith
eachkeypressandareferencevaluefrom-20to+20
willbedisplayed.Thecontrastsettingisdependenton
yourviewinganglesowerecommendyouadjustthe
contrastfromyournormalviewingposition.
3. PresstheCALLbuttontoaccepttheselection.
SETUP
TheSetupmenuconguresthegeneraloperationofthe
radio.ThefollowingmenuisdisplayedinSetup
• KeyBeep
• AlarmBeep
• AutoChannel
• PosReply
• IndivReply
• UIC
• ChnlName
• NMEA-1
• NMEA-2
Key Beep
Changesthevolumeofthebeepsthatareheardwhenthe
keysarepressed.
Tochangethekeybeepvolume;
1. Select‘KEYBEEP’fromtheSetupmenuthenpressthe
CALLbutton.
2. Usethe or keystosettheBeepvolumeto‘HI’,
‘MED’,‘LOW’or‘OFF’.
3. PresstheCALLbuttontoaccepttheselectionandreturn
tothe‘SETUP’Menu.
Alarm Beep
ChangesthevolumeoftheAlarmbeeps.
Tochangethealarmvolume;
1. Select‘ALARMBEEP’fromtheSetupmenuthenpress
the CALLbutton.
2. Usethe or keystosettheAlarmBeepvolumeto
‘HI’,‘MED’or‘LOW’.
3. PresstheCALLbuttontoaccepttheselectionandreturn
tothe‘SETUP’Menu.
NOTE: TheEmergencyAlarmvolumeisalwayssettoHigh
andisnotaffectedbythisadjustment.
Auto Channel
AutoChanneldeneswhetheryourradiowillchange
channelsautomaticallywhenrequestedbyanothervessel’s
DSCcall.
1. Select‘AUTOCHNL’fromtheSetupmenuthenpressthe
CALLbutton.
2. Usethe or keystosettheAutoChannelfeatureto
ONorOFF.
 –Select‘ON’toallowyourradiotochangechannels
whenrequestedbyanincomingDSCcall.
 –SelectOFFtoignoreincomingchannelchangerequests
fromDSCcallsandremainontheselectedchannel.
3.PresstheCALLbuttontoaccepttheselectionand
returntothe‘SETUP’Menu.
PAGE16 INSTRUCTIONMANUAL GX600D

GX600D INSTRUCTIONMANUAL PAGE17
Position Reply
ThePositionReplyfunctiondetermineswhetheryour
radiowillautomaticallysenditsGPSpositiontoanother
vesselwheneveraPositionRequestisreceived.(Touse
thisfeatureyourGX600DmusthaveaGPSconnectedora
manualGPSpositionmusthavebeenentered).
1. Select‘POSREPLY’fromtheSetupmenuthenpressthe
CALLbutton.
2. Usethe or keystoselect‘Auto’or‘Manual’.
 –Select‘Auto’toallowyourpositiontobesent
automaticallywhenrequestedbyanincoming
DSCcall.
 –Select‘Manual’todisableautomaticpositionsending.
3. PresstheCALLbuttontoaccepttheselectionandreturn
tothe‘SETUP’Menu
Individual Reply
TheIndividualReplyfunctiondetermineswhetheryourradio
willautomaticallyacknowledgeanincomingIndividualCall.
1. Select‘INDVREPLY’fromtheSetupmenuthenpressthe
CALLbutton.
2. Usethe or keystoselectMANUALorAUTO.
 –Select‘AUTO’toallowyourradiotoautomatically
sendanacknowledgewhenanIndividualDSCCallis
receivedfromanotherstation.
 –Select‘MANUAL’topromptyoutorespondmanually
toanIndividualDSCCall.Inthismodeyourradiowill
display‘REPLYOK?’andawaityourresponse.
3.PresstheCALLbuttontoaccepttheselectionandreturn
tothe‘SETUP’Menu.
UIC (USA/International/Canadian)
Selectstheradiofrequencychannelsetusedbythe
GX600D.Becausechannelallocationsvarybetween
countriesyoushouldusethechannelsetforthecountry
youareoperatingwithin.TheradiosupportsInternational,
USAandCanadianchannelsets.Thedefaultsettingis
International.
1. Select‘UIC’fromtheSetupmenuthenpressthe
CALLbutton.
2. Usethe or keystoselect‘CAN’(Canada),‘USA’
or‘INTL’(International).
3. PresstheCALLbuttontoaccepttheselectionand
returntonormaloperation.
WhenevertheChannelSetischanged,theGX600Dwill
switchtoCH16.
NOTE: WhentheUSAChannelSetisselected,weather
channelswillbeaccessiblebelowChannel01.
Channel Name
UsetheChannelnamefunctiontoapplyusefulnames
tochannelstohelpidentifytheirusage(e.g.aclub/
workingchannel).
1. Select‘CHNLNAME’fromtheSetupmenuthen
|press the CALLbutton.
2. Usethe or keystoselecttherstcharacterof
yourchannelname.
3. PresstheCALLbuttontomovetothenext
characterposition.
4. Repeatuntilallrequiredcharacters(upto11)
havebeenentered.
NOTE: Tocorrectanerrorwhileenteringthechannelname,
press the CALLbuttonrepeatedlytomovethecursortothe
requiredcharacterposition,thenusethe or keysto
correctthecharacterinthatposition.
5. Whennished,pressandholdtheCALLbutton
toconrm.
NMEA-1 Baud/NMEA-2 Baud
Usethisoptiontoadjustthebaudrate(data
communicationsspeed)oftheGX600D’sNMEAserialdata
ports.TheGX600DhastwoserialportslabelledNMEA-1
andNMEA-2.TheBaudratesofeachportcanbeset
independently.Notethatthebaudrateyouchoosemust
matchthatofthedevice/syouareconnecting.
1. Select‘NMEA-1Baud’or‘NMEA-2Baud’fromtheSetup
menuthenpresstheCALLbutton.
2. Usethe or keystoselectfrom4800,9600,19200
or38400baud.
3. Whennished,pressandholdtheCALLbuttonto
conrmandreturntonormaloperation.
GPS Setup
TheGPSsetupallowsyoutomanuallysetGPSposition
coordinatesandtimeparametersforsituationswhereyour
GX600DdoesnothaveaGPSconnectedandcannot
obtainthisinformationautomatically.Youcanalso
congureGPSdisplayandalerts.Thefollowingmenuis
displayedinGPSSetup.
• Position
• UTCTime
• TimeOffset
• GPSDisplay
• GPSAlert

POSITION
Allowsmanualentryofthelatitudeandlongitudeofyour
vessel’slocation.ThisallowstheDSCfunctiontotransmit
yourpositioncoordinatesinanemergency.Theposition
mustbeenteredinDegrees,MinutesandDecimal/Minutes
(DMM).
To enter your position
1. Select‘POSITION’fromtheGPSMenuthenpressthe
CALLbutton.
2. Usethe or keystoselect‘N’(North)or‘S’(South).
3. PressandholdtheCALLbutton.Thecursormovestothe
rstdigitpositionoftheLatitudeeld.
4. Usethe or keystoselecttherstdigitofthe
LatitudethenbrieypresstheCALLbuttontomoveto
thenextdigitposition.
5. Repeatuntilalldigitshavebeenentered.
6. PressandholdtheCALLbuttontoconrmandstorethe
Latitude.ThecursorwillmovetotheLongitudeeld.
7. Usethe or keystoselect‘E’(East)or‘W’(West)
then press and hold the CALLbutton.Thecursormoves
totherstdigitpositionoftheLongitudeeld.
8. Usethe or keystoselecttherstdigitofthe
LongitudethenbrieypresstheCALLbuttontomoveto
thenextdigitposition.
9. Repeatuntilalldigitshavebeenentered.
10.Whennished,pressandholdtheCALLbuttonto
conrmandstoretheposition.
NOTE: Thepositionwillbeerasedafter23hoursorwhen
theradioisswitchedoff.
UTC TIME
LetsyoumanuallysetthetimeinUTC(GreenwichMean
Time).ThetimeisenteredasHours:Minutes:Secondsin24
hourtimeformat.
TO ENTER THE TIME IN UTC:
1. Fromthe‘GPSSETUP’menu,select‘UTCTIME’then
press the CALLbutton.TheHourscursorwillbeashing.
2. Usethe or keystoselectthehoursthenpressthe
CALLbutton.TheMinutescursorwillash.
3. Usethe or keystoselecttheminutesthenpress
the CALLbutton.TheSecondscursorwillash.
4. Usethe or keystosetthesecondsthenpressthe
CALLbutton.
Theradioreturnstothe‘SETUP’Menu.
NOTE: Thetimewillbeerasedafter23hoursorwhenthe
radioisswitchedoff.
TIME OFFSET
LetsyousetthetimedifferencebetweenUTCtimeandyour
localtime.Thiswillallowtheradiotodisplaylocaltime.A
listofTimeoffsetsisinthebackofthismanual.
To set the Time Offset:
1. Fromthe‘GPSSETUP’menu,select‘TIMEOFFSET’then
press the CALLbutton.
2. Usethe or keystosetthetimeoffsetfrom
-12:00hrsto+13:00hrsin30minutesegments.
3. PresstheCALLbuttontoacceptandreturntothe‘GPS
SETUP’Menu.
GPS DISPLAY
SelectswhetherornottodisplayyourGPSpositiononthe
LCD.IftheGPSdisplayin‘ON’butaGPSreceiverisnot
connected,‘NOGPS’isdisplayedinstead.
1. Fromthe‘GPSSETUP’menu,select‘GPSDISPLAY’then
press the CALLbutton.
2. Usethe or keystoselect‘OFF’or‘ON’.
3. PresstheCALLbuttontoacceptandreturntothe‘GPS
SETUP’Menu.
GPS ALERT
TheGX600DmonitorstheNMEAportsforGPSdataand
cansoundanalarmiftheGPSpositiondataislostoris
disconnected.TheGPSAlertoptionhasthreesettings–OFF,
ONandAUTO.
OFF–TheGPSAlarmisturnedoff.ValidGPSpositiondata
appliedtotheNMEAportswillbeusedbytheGX600D
butyouwillnotbealertedifthepositiondataislost.
ON–TheGPSalarmwillsoundiftherehasbeenno
validGPSpositionfor30seconds.EithertheGPSposition
hasbeenlostoryourGPSdeviceisnotconnectedor
switchedon.
AUTO–TheGX600Dwillautomaticallydetermineifa
GPSdatasourceisconnectedandwillonlysoundthe
alarmifvalidGPSdatawasdetectedthenlost.Thisisthe
recommended(default)setting.
ToselecttheGPSAlertsetting
1. Fromthe‘GPSSETUP’menu,select‘GPSAlert’then
press the CALLbutton.
2. Usethe or keystoselect‘OFF’,‘AUTO’or‘ON’.
3. PresstheCALLbuttontoacceptandreturntothe‘GPS
SETUP’Menu.
PAGE18 INSTRUCTIONMANUAL GX600D

GX600D INSTRUCTIONMANUAL PAGE19
GROUP MMSI
AGroupCallprovidesamethodforcontactingmultiple
vesselswithacommoninterestbyusingoneDSCcall.
Thereisnolimitonthenumberoftimesyoucanchangethe
GroupMMSI.
To enter the Group MMSI
1. Select‘GROUPMMSI’fromtheMainMenuthenpress
the CALLbutton.
2. Usethe or keystoentertherstdigitofthe
‘GROUPMMSI’number.
3. PresstheCALLbuttontomovetothenextdigitposition.
4. Repeatuntilall9digitshavebeenentered.
5. Tocorrectanerrorduringentry,presstheCALLbutton
repeatedlytomovethecursorpositiontotheincorrect
digitthenusethe or keystochangethedigitat
thatlocation.
6. Whennished,pressandholdtheCALLbuttonto
conrmandreturntothemainmenu.
NOTE: IftheGroupMMSIeldalreadyhasanMMSI
number,pressandholdthe–keytocleartheMMSIeld.
YoucanthenenteranewGroupMMSInumber.
USER MMSI
TheUserMMSIisuniquetoeachradioandmustbeentered
toenablenormalDSCoperation-exceptforthereception
ofdistresscallswhichdonotrequireauserMMSI.
TheGX600DisshippedfromthefactorywiththeuserMMSI
‘un-programmed’.ItisuptotheusertoobtainavalidMMSI
fromtheappropriatelicensingauthorityandentertheMMSI
intotheradiotoenableDSCoperation.
IMPORTANT: Itisarequirementoftheregulationsthatthe
UserMMSIcanonlybeenteredONCE.Ifthereisaneedto
changetheMMSImorethanonceyouwillneedtocontact
yourauthorizedGMEservicecentreforadvice.Forthis
reasontakespecialcarewhenenteringyourUserMMSI
numbertoensureitisenteredcorrectlybeforesavingit.
To enter the 9 digit User MMSI number issued to
you by your local authority:
1. Select‘USERMMSI’fromtheMainMenuthenpressthe
CALLbutton.
2. Usethe or keystoentertherstdigitoftheUser
MMSInumber.
3. PresstheCALLbuttontomovetothenextdigitposition.
4. Repeatuntilall9digitshavebeenentered.
5. Tocorrectanerrorduringentry,presstheCALLbutton
repeatedlytomovethecursorpositiontotheincorrect
digitthenusethe or keystochangethedigitat
thatlocation.
6. Oncethe9digitUserMMSIhasbeenentered, double
checktoensurethatthenumberiscorrect then press
and hold the CALLbuttontostoreit.Theradiowill
returntothemainmenu.
CONNECTING A GPS RECEIVER OR
PLOTTER
YoucanconnectaGPSreceiverorGPSPlottertoyour
GX600D.AGPSreceiverwillprovideyourradiowithGPS
positionandtimereporting.ConnectingaGPSplotterwill
allowDSCpositionsofshipstobedisplayeddirectlyonyour
plotter.GPSconnectionsaremadethroughtheNMEAports
onyourradio.
NMEA PORTS
TheGX600DfeaturestwoNMEAportslabelledNMEA1
andNMEA2.Theseareavailableontherearpanel.NMEA
sentencesgeneratedbytheGX600Dwillappearonthe
outputofbothports.Inaddition,anyNMEAsentences
receivedattheinputofoneportwillbemirroredatthe
outputoftheotherport.
TheNMEABaudrateofeachportcanbesetseparately
fromwithintheSetupmenu.AvailableBaudratesare4800,
9600,19200and38400bps.
NMEA 0183 DATA
TheGX600DrecognisesthefollowingstandardNMEA
sentences.YoumayneedtoselectNMEA0183Input/
OutputusingtheinterfacesettingsonyourGPS,Plotteror
connecteddevice.
NMEAInputfromGPS:GPGLL,GPGAA,GPRMC,
GPGNS(v2.x)
NMEAOutputtoplotter:GPDSC(v2.x)GPDSE(v3.x)
Yellow
Blue
Black
NMEAOut
NMEAIn
Common(Gnd)

GX600D INSTRUCTIONMANUAL PAGE20
INSTALLATION
NOTE: YourGX600Disdesignedforconnectiontonegative
earthelectricalsystemsonly.
Selecting a location
Itisadvisabletospendalittletimeselectingthebest
locationforyourGX600D.Themountingbracketcanbe
rotatedabove,beloworbehindtheradioenablingtheradio
tobemountedinawiderangeoflocations.Inaddition,
usingtheoptionalushmountingkits(MK600,MK001,
MK002)theGX600Dcanbemounteddirectlyinapanelor
dashboard.Theushmountingkitsallowforinstallationor
replacementofanyexistingVHFradio.
UPRIGHT OR OVERHEAD MOUNTING
Keepthefollowingpointsinmindwhenchoosingalocation.
• TheGX600DisdesignedtomeettheIP67specication
whichallowsfordirectwaterspray.However,we
recommendyouselectalocationthatwillminimise
excessiveexposuretowatersplashesorcontinuousrain.
• Selectalocationthatwon’texposeyourradioto
continuousdirectsunlightwhichcouldcauseoverheating
orUVdegradation.
• Ensurethatthelocationallowsafreeowofairaround
theheatsinkonthebackoftheradio.
• Themicrophoneandallcontrolsshouldbereadily
accessibleandtheloudspeakereasilyheardfromthe
normalsteeringposition.Anextensionspeaker(SPK600)
canbeinstalledifrequired.
• Forbestresultsconnectthebatteryleadsdirectlytothe
vessel’sbattery.Ifyouneedtoextendthepowerleadsto
reachthebatteryuseheavyinsulatedautomotivewireof
atleast#10gauge.
• Componentsandcurrentsintheradiocreatemagnetic
elds.Toavoidinterferencetoshipscompassesor
autopilotsensors,theGX600Dshouldbemountedat
least300mmfromsuchequipment.
INSTALLING THE UNIT
Afterchoosingyourlocation,holdtheunitwiththe
mountingbracketattachedintothedesiredpositionand
markthelocationwithapencil.Removethemounting
bracketfromtheradioanddrillthemountingholes.Boltor
screwthebracketinplaceusinghardwaresuitableforthe
mountingsurface.Theunitissuppliedwithstainlesssteel
screws;however,ifthemountingsurfaceisunsuitablefor
screwsyoumayneedtoreplacethesewithstainlesssteel
bolts.Rememberthexingsforoverheadmountedunits
mayhavetowithstandheavypoundingwhenthevesselis
inroughwaterorbeingtowedonatrailer.
 Panel Overhead Upright
 Mounting Mounting Mounting
FlushMounting(OptionalMK600,MK001,
MK002ushmountingkitsavailable)