Owner manual

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.