GME TX680 User manual

Gloss white art stock - 130gsm
Trimmed document size: 100mm (w) x 136mm (h) 20 pages
Book to be saddlestiched in 2 places
Printed in CMYK throughout with gloss Aq Varnish
3 watt handheld UHF CB radio
INSTRUCTION MANUAL

Page 2 INSTRUCTION MANUAL TX680
The TX680 is a radio transmitting device.
 •Whentransmitting,keeptheantennamorethan25mmfromanypartofthehead
orbody.
 •Donottransmitnearelectricalblastingequipmentorinexplosiveatmospheres.
 •Donotallowchildrentooperatearadiotransmitterunsupervised.
CONTENTS
WARNING - SAFET Y INFORMATION
ACCESSORIES SUPPLIED
•Li-IonBatteryPack(1000mAh)
•Semi-QuickCharger
•ACAdapter
•CarryCase
ACCESSORIESSUPPLIED ...............2
SAFETY INFORMATION . . . . . . . . . . . . . . . .2
IMPORTANT INFORMATION. . . . . . . . . . . . .3
 PossibleIssues ..................4
TELEMETRY CHANNELS. . . . . . . . . . . . . . . .5
FEATURES..........................5
CONTROLS.........................6
LCDINDICATORS ....................7
POWERINGTHERADIO ................8
GENERALOPERATION................10
 PowerOn/Off..................10
 AdjustingtheVolume............10
 DisplayLighting ...............10
 ReceivingSignals ...............10
Transmitting...................10
 SelectingChannels ..............11
 SQLKey.....................11
CTCSS ......................11
 Duplex/MonitorKey .............11
 SCANKey .....................12
 Key-LockFunction...............13
MODEKEY. .......................13
 1.CTCSSCodeSelection.........13
 2.TransmitterPower ............14
3.VOXSettings................15
 4.DualWatchSettings ..........15
 5.ButtonBeepToneSettings .....16
 6.CallAlarmSelection ..........16
CTCSSTONEFREQUENCIES...........17
UHFCBOPERATINGFREQUENCIES .....18
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . 20
SCCONTRACTWARRANTY
AGAINSTDEFECTS .................21

TX680 INSTRUCTION MANUAL Page 3
IMPORTANT
READ ALL INSTRUCTIONScarefully
andcompletelybeforeoperatingyour
radioandretainthismanualforfuture
reference.
NEVERconnecttheradiotoapower
sourceotherthanthesuppliedbattery.
Thismaydamageyourproduct.
DO NOTplaceyourradioinfrontofa
vehicleairbag.
DO NOTuseyourradiowitha
damaged antenna.
DO NOT attempttomodifyyourradio
inanyway.
ALWAYS chargeyourradioatnormal
roomtemperature.
ALWAYSswitchoffyourradiowhere
noticesrestricttheuseoftwo-way
radioormobiletelephones.
ONLYuseGMEapproved
rechargeablebatterieswiththe
suppliedcharger.
AVOID exposingyourradiotowater.
Itisnotwaterproof.
AVOIDstoringorchargingyourradio
indirectsunlight.
AVOIDstoringorusingyourradio
wheretemperaturesarebelow-20°C
orabove+60°C.
IMPORTANT INFORMATION
CONCERNING UHF CB R ADIO
 TheuseoftheCitizenBandradioserviceislicensedinAustraliabytheACMA
Radiocommunications(CitizensBandRadioStations)ClassLicenceandinNewZealand
bytheMinistryofEconomicDevelopmentNewZealand(MED).AGeneralUserRadio
LicenceforCitizensBandradioandoperationissubjecttoconditionscontainedin
thoselicences.
 TheclasslicenceforusersandequipmentoperatingintheCB/PRS477MHzbandhas
beenamended.Thisradiomeetsthenew80channelstandard.
Insimpletermsthesameamountofspectrumisavailable;however, radio transceivers
cannowoperateinanarrowerbandwidthandhenceuselessspectrum.Theseradios
aregenerallyreferredtoasnarrowbandor12.5kHzradios.Byusing12.5kHzchannel
spacinginsteadof25kHz,the40channelsoriginallyallocatedcannowbeexpanded
to80channelstherebydoublingthechannelcapacityandrelievingcongestioninthe
UHFCB/PRSband.

Page 4 INSTRUCTION MANUAL TX680
POSSIBLE ISSUES
Whenanewnarrowbandradioreceives
atransmissionfromanolderwideband
radiothespeechmaysoundloudand
distorted–simplyadjustyourradio
volumeforbestperformance.
Whenanolderwidebandradioreceivesa
signalfromanewnarrowbandradio,the
speechmaysoundquiet-simplyadjust
yourradiovolumeforbestperformance.
Dependingonhowcloseyourreceiving
radioistoanothertransmittingradio,
therecanbeinterferencefromthe
transmittingradioifitisusingachannel
adjacenttothechannelyouarelistening
to.Simplytrygoingupordownafew
channelsfromthecurrentlyselected
channel.
Theabovesituationsarenotafaultof
theradiobutasymptomofoperating
widebandandnarrowbandradiosin
thesamebandwidth.Thispossible
interferencewilldecreaseovertimeasthe
populationofwidebandradiosagesand
decreases.
Furtherinformationandupdates
areavailablefromtheAustralian
CommunicationsandMediaAuthority
(ACMA)atwww.acma.gov.au and the
MinistryofEconomicDevelopment(MED),
RadioSpectrumManagementat:
www.rsm.govt.nz
TheACMAhasallocatedchannels5/35
foremergencyuseonly.Channel5isthe
primarySimplexEmergencyChannel.
WhereaChannel5repeaterisavailable,
youshouldselectDuplexonCH5.
NOTE: Channel35istheinputchannel
fortheChannel5repeatertherefore
Channel35shouldalsonotbeused
foranythingotherthanemergency
transmissions.
Original40channelwidebandRadioswillcontinuetooperateontheoriginal40
channels,howevertheywillnotbeabletoconverseonthenewerchannels41–80.The
newernarrowbandradioswillbeabletoconversewithallolder40channelwideband
radiosonallchannels1to40aswellasthenewerchannelsallocatedfrom41to80.
 Themixingofnarrowbandandwidebandradiosinthesamespectrumcancause
somepossibleoperatingissuesofinterferenceandvaryinglevelsofreceivedvolume.

TX680 INSTRUCTION MANUAL Page 5
TELEMETRY CHANNELS
ACMAregulationshaveallocatedchannels22and23fortelemetryonlyapplicationsand
haveprohibitedthetransmissionofspeechonthesechannels.ConsequentlytheTX680
hasatransmit-inhibitappliedtochannels22and23.
Intheeventthatadditionaltelemetry/telecommandchannelsareapprovedbytheACMA,
thesechannelsshallbeaddedtothosecurrentlylistedwherevoicetransmissionis
inhibited.Currentlytransmissionsonchannels61,62and63arealsoinhibitedandthese
channelsarereservedforfutureallocation.
FEATURES
•Microprocessor Controlled Frequency Synthesiser:Allowsuserprogrammable
controlofscanning,channelmemoriesandselectedfeatureoptions.
•
Programmable Scan Function:Scansupto80UHFCBchannels.
•In-built CTCSS:UserselectableContinuousToneCodedSquelchsystemforquiet
channeloperation.
•3 watt/1 watt RF Power: Whentransmittingincloserangeyoucanconserve
batterypowerbyusingtheLowPowersetting.
•Individually Programmable Duplex Function:Userselectableforthose
individualrepeaterchannelsinyourarea.
•Power-Save Feature: Sleepsduringperiodsofinactivity.
•Keypad Lock: Preventsaccidentalbuttonpresses.
•Backlit LCD: Fornightviewing.
•Calling Tone/Roger Beep: Alertsyoutoincomingcalls.
•Dual Watch: Monitorstwochannelssimultaneously.
•VOX: Voiceactivatedtransmitforhandsfreeoperation.
•Removable Flexible Antenna
•Semi-Quick Charger
•Signal Strength Indicator

1. Battery
2 Scan
3. Squelch/CTCSSKey
4. BatteryReleaseClip
5. Push-To-Talk(PTT)Switch
6. ModeKey
7. Microphone
8. IndicatorLED
9. Antenna
10.Duplex/KeylockButton
11.VolumeOn/Off
12.ExternalSpeaker/Mic
13.Speaker
14.LCDDisplay
15.ChannelUp
16.ChannelDown
TX680
4
3
2
1
9
8
7
6
10
11
12
13
14
15
16
5
CONTROLS
Page 6 INSTRUCTION MANUAL TX680

TX680 INSTRUCTION MANUAL Page 7
LCD INDICATORS
9. Antenna
10.Duplex/KeylockButton
11.VolumeOn/Off
12.ExternalSpeaker/Mic
13.Speaker
14.LCDDisplay
15.ChannelUp
16.ChannelDown
1. Receiver Busy Icon:Appearswhen
receiving.
2. T ransmit Icon:Appearswhen
transmitting.
3. Dual Watch Icon:Appearswhenthe
DualWatchmodeisActive.
4. Key Lock Icon: Appearswhenthe
keypadislocked.
5. Button Beep Tone Icon:Appears
whenthebuttonbeepconfirmation
toneisselected.
6. CTCSS (CTC) Icon: Indicates that
CTCSStonesareenabledonthe
selectedchannel.
7. Squelch/Monitor Icon:Appears
whentheMonitorfunctionisactivated.
(Squelchisopen)
8. Battery Level Icon: Indicatesbattery
chargelevel.Flasheswhenbatteryis
almostempty.
9. High Power Icon: Appearswhen
Hightransmitterpowerisselected.
10. Low Power Icon: AppearswhenLow
transmitterpowerisselected.
11. Duplex Icon:IndicatesthatDuplex
communicationhasbeenenabled.
12. Voice Activated Transmission
(VOX) Icon:AppearswhentheVOX
mode is activated.
13. CTCSS Tone: Displaystheselected
CTCSStone(from00-38)onthe
selectedchannel.
14. Channel Display: Indicates the
channelnumberinuse.
15. S can Indicator Icon:Appearswhen
SCANisenabledandtheradiois
scanning.
16. Channel Memory Indicator:
Appearswhenselectedchannelis
storedinScanMemory.

Page 8 INSTRUCTION MANUAL TX680
POWERING THE RADIO
YourTX680ispoweredbya7.4Volt
1000mAhLi-Ionbatterypack.Whenthe
batterypackisnew,itshouldbefully
chargedbeforebeingusedforthefirst
time.Ifleftunused,yourTX680’sbattery
packwilldischargeitselfwithinafew
months.IfyouhavenotusedyourTX680
forsometime,youwillneedtorecharge
thebatterypackbeforeuse.
WARNING: UseonlytheapprovedGME
charger.Theuseofothertypesmaybe
dangerousandwillvoidthewarranty.
Fitting the Battery Pack
Tofitthebatterypack:
1. Locatethebottomofthebatterypack
intothetwoslotsinthebaseofthe
radioframe.
2. Pressthetopofthebatterypackinto
placeagainsttheradiountilit‘clicks’.
To Remove the Battery Pack
1. Slidethebatteryretainingclip
downwardwhilepullingthetopofthe
batteryawayfromtheradio.
2. Liftthebatterypackupwardtoclear
theslotsatthebottomoftheradio.
Charging the Battery Pack
YourTX680issuppliedwithanAC
adaptorandaSemi-quickcharger.The
chargerwillchargeafullydischarged
1000mAhbatterypacktofullcapacityin
around3-4hours.
1. Plugthechargerintoastandard240
VoltACoutlet.
2. Plugtheleadfromthechargerintothe
chargingcradle.
3. PlacetheTX680intothecradle.The
RedLEDwilllighttoindicatethe
batteryischarging.
4. Whenthebatteryhascharged,theLED
willchangetoGreen.
To Remove Battery Pack
Swing
Away
Slide
Down
To Refit Battery Pack
Press Press

TX680 INSTRUCTION MANUAL Page 9
Battery Low Alert
Whenthebatteryiconblinksonthe
display,thebatterylevelislowandthe
batterypackshouldberecharged.Ifthe
batteryisnotcharged,anaudiotone
willthensoundtowarntheuserthatthe
batteryisalmostdischarged.
Battery Usage
Thetimetakentodischargethebattery
packwilldependonhowyouusethe
TX680.The1000mAhbatterypack
suppliedispowerfulenoughforafulldays
useunderaverageconditions.
Conserving Battery Power
TheTX680hasbuilt-inpowersaving
featurestohelpyougetthemaximum
amountoftimebetweenchargesfrom
yourLi-Ionbatterypack.Ifyouneedto
operateyourTX680inasituationwhere
yourequiremaximumbatterylife(e.g.a
remotesitewherethereisnoconvenient
rechargingfacilitynearby)thefollowing
hintscangreatlyreducetheamountof
powerdrawnfromthebatterypack.
Standby Mode
TheTX680willautomaticallyenterthe
‘Standby’modewhenitisinactive(i.e.
nottransmittingorreceivingsignals.
WhileinStandbymodeitwillstillcheck
forincomingsignalsbutitwilldraw
considerablylesspowerfromthebattery
pack.Assoonasasignalisheardorthe
keysarepressedtheTX680will‘wakeup’
again.ThisStandbymodeisautomatic
andbyitselfcanextendthebatterylifeby
manyhours.
Using CTCSS
Ifyouareexpectingtoreceivesignalson
abusychannel,youcanprogramthat
channelforCTCSSoperationandgetthe
otherpersontocallyouusingthesame
CTCSStone.Yourradiowillthenremainin
Standbyandignoreallothersignalsuntil
yourselectedCTCSStoneisreceived.
Scanning
TheTX680drawsmorepowerfromthe
batterypackwhenscanningthanwhen
monitoringasinglechannel.Thisis
becauseitmust‘wakeup’moreoftento
monitoreachchannelforactivity.You
cansqueezethatextrabitoflifefromthe
batterypackbyavoidinganyunnecessary
scanning.Inaddition,scanningincreases
thechanceoffindingasignalthereby
keepingthereceiver‘awake’andthe
squelchopenmoreoften.
Low Transmit Power Settings
Thetransmitterhasbothhighandlow
powersettings.Ifyouareonlyoperating
overshortdistances,areinareasonably
highlocationorareclosetoalocal
repeater,tryusingtheLowtransmitter
powersetting.Thisreducesthetransmitter
powerfrom3wattsto1watteffectively
doublingthetalktimeavailable.

Page10 INSTRUCTION MANUAL TX680
GENERAL OPERATION
POWER ON/OFF
RotatetheVolumecontrolclockwisepast
the‘click’toturntheradioon.Rotatethe
controlcounter-clockwisepasttheclickto
turntheradiooffagain.
ADJUSTING THE VOLUME
Withtheunitpoweredon,rotatethe
Volumecontrolclockwisetoincreasethe
volumeandcounter-clockwisetodecrease
thevolume.
DISPLAY LIGHTING
TheLCDbacklightingactivates
automaticallywheneverakeyispressed
andturnsoffautomaticallyafterabout5
seconds.
RECEIVING SIGNALS
WhiletheTX680isnotreceivingsignals,
itwillremainintheStandbymodeto
conservebatterypower.Whenasignalis
received,theLEDindicatorontheupper
edgeoftheradiowilllightGreenandthe
iconwillappearonthedisplay.Adjust
the volumecontrolforacomfortable
listeninglevel.
Iftheincomingsignalisencodedwitha
CTCSS tone that matches the one set in
yourradio,theLEDindicatorwilllight
Orangeandyouwillbeabletohearthe
signalinthespeaker.
IftheLEDindicatorlightsGreenand
the iconappearsbutyoucannothear
thesignal,itislikelythatyourradiohas
CTCSSenabledandtheincomingsignalis
notusingyourselectedCTCSStone(see
ModeSettingsformoredetailsonCTCSS
settings).
Ifnofurthersignalsarereceived,theunit
willreturntostandbymode.
TRANSMITTING
Totransmit,pressandholdthePush-To-
Talk (PTT)switch.Theotherradioyou
aretalkingtomustbesettothesame
channel(andCTCSScodeifapplicable).
HoldtheTX680approximately5to8cms
fromyourfacewiththeantennavertical
andspeakintothebuilt-inmicrophone.
WhilethePTTswitchispressed,theLED
indicatorontheupperedgeoftheradio
willlightREDandthe iconwillappear
ontheLCD.
Whenyouhavefinishedspeaking,release
the PTTswitchtoreceiveincomingsignals
(itisnotpossibletotransmitandreceive
atthesametime).Ifnofurthersignalsare
received,theunitwillreverttostandby
mode.
TIP: ThePTTswitchcanalsobeusedto
totransmitaCallAlarmmelody.When
theCallAlarmmelodyisenabled(see
ModesettingsformoredetailsontheCall
Alarmsettings),pressingthePTTswitch
twicequicklywillcallanotherpartyon
thesamechannelandplaytheCallAlarm
melodyintheirradio’sspeaker.Whenthis
happens,the iconwillappearandthe
LEDindicatorwilllightREDforabout5