User Guide

4
Quick Overview of Basic Controls
Power ON / OFF
RotatethepowerswitchinaclockwisedirectiontoturntheunitON,adjustthevolumetoacomfortable
level.RotatethePowerSwitchcounterclockwiseuntilitclickstoturnoffthepower.
Secondary Function Buttons
Tousetheprimaryfunction(SCAN,DPX,MON)presstherequiredbutton.
Tousethesecondaryfunction(MENU,PRI,CALL)pressandholdthebuttonfor2seconds.
To Select a Channel
Presstheupordownkeystostepupwardsorstepdownwardsoneormorechannels.
Squelch
ToadjustthelevelofsquelchusetherotarySQLcontrol.Turningthecontrolcounterclockwisereduces
theamountofsquelch,andturningclockwisewillincreasetheamountofsquelch.Toreducethesignals
thatyoucanhear,increasethesquelch,tohearmoresignalswhichmayincludeweaksignalsdecreasethe
squelch.
PTT (Push-To-Talk) button
Beforetransmittingalwayslistenonthechanneltomakesureitisnotbeingusedbyanotheroperator.
Selectthedesiredchannel.PressthePTTbuttononthemicrophoneandspeaknormallyintothe
microphone.Holditapprox.7cmfromyourmouth.ReleasethePTTbuttontoendthetransmissionand
listenforareply.
Factory Reset
Iftheradio'sdisplaylocksuporstopsfunctioningproperly,youmightneedtoresetyourUHFradio.
Caution:thisprocedureclearsalltheinformationyouhavestoredinyourUHFradio.
BeforeyouresetyourUHFradio,tryturningitoffandonagain.
IfyourUHFradioisstillnotfunctioningcorrectlyyoumayneedtoresettheUHFradio.
WhileholdingtheChannelupbutton,turntheradioon,onlyLCDbacklightwillbeonfor1to2seconds.
Theradiowillthenreturntoitsoriginalfactoryoutcondition.
Wiring Methods
Therearetwopossiblewiringcongurationsforconnectingtothevehiclespowersupply.
A. Radio stays ON when the ignition is switched OFF
Connecttheradio’snegative(black)leadtothevehiclechassis,ordirectlytothebattery’snegativeterminal.
Connecttheradio’spositive(red)leadviathe3Ampfusetothebattery’spositiveterminal.Alternatively,
thepositiveleadcouldbeconnectedatthefuseboxatapointthathasDCPowercontinuouslyavailable
(preferablythebatterysideoftheignitionswitch)viathe3Ampfuse.
B. Radio turns OFF with the ignition switch
Connecttheradio’snegative(black)leadtothevehicle’schassis,ordirectlytothebattery’snegative
terminal.
Theradiospositive(red)leadshouldconnecttoanaccessorypointinthevehicle’sfuseboxviathe3Amp
fuse.
Antenna information
Theantenna(notsupplied)isofcriticalimportancetomaximiseyouroutputpowerandreceiversensitivity.
Apoorlyinstalled,inferiorqualityantenna,oronenotdesignedforthecorrectfrequencyband,willgive
poorperformance.Youshouldonlypurchaseanantennadesignedforthe477MHzfrequencyband.
Antenna installation
Toobtainmaximumperformancefromtheradio,selectahighqualityantennaandmountitinagood
location.
Never press the PTT before connecting an antenna to the radio.
Optional accessories
SPE85 Externalspeaker
Ifrequired,youmayinstallanexternal(8ohm,Minimum5Wpower)speaker
ttedwitha3.5mmplug(notsupplied).
Dependingontheinstallation,itmaybenecessarytouseanexternalspeaker
(notsupplied)togiveimprovedvolumeandclarity.Thiscanbepluggedintothe
externalspeaker(SP)socketontherearoftheunit.
MMM100 Magneticmicrophoneholder