Crystal Audiovideo DBH20-80 Two-Way Radio User Manual

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Operatingtheunit

Turninguniton/off:

 1‐Switchingon

PressandholdtheMENU/PWRuntilyouhearabeepsound.



 2‐Switchingoff

PressandholdtheMENU/PWRuntilyouhearabeepsound.



AdjustingtheVolume:



Youhave8presetvolumelevels.TheyaredisplayedontheLCDscreen.Toraisethevolumepress

theupbuttonandtodecreasethevolume,pressthedownbutton.



Lock&Unlockthedevice.

PressandholdCALLbuttonfor3secondstolock

thedevice.

PressandholdCALLbuttonfor3secondstounlock

thedevice.



Autoscan.

Press&holdtheMONIbuttonfor3secondstoactivateautoscan.

Press&holdtheMONIbuttonfor3secondstodeactivateautoscan.



ChangingChannels:

Youhaveamaximumof80channelsatyourdisposal.Tocommunicatewithanotherdevice,you

mustbothbeonthesamechannel.

Tochangechannels,onceyouhaveturnedyouruniton,youneedtopresstheMENU/PWRonce

andusetheup/downbuttonstoscrollthroughtoyourdesiredchannel.Tosetyourdesired

channel,presstheMONIbuttonorwaitupto10seconds.



Yourunitissimplex“onewayatatime”.Whileyouarespeaking,youcannotreceivea

transmission.

Yourunitisanopen‐licenseband.Alwaysidentifyyourselfwhentransmittingonthesamechannel.



IMPORTANT:BeforetransmittingonaUHFchannellistentoensureitisnot alreadyinuse.



Transmitting(sendingspeech)

TheunitiscontinuouslyintheReceivemodewhentheunitisturnedONandnottransmitting.

Whenasignalisreceivedonthecurrentchannel,“RX”iconwillbedisplayedontheLCDscreen.a.

PressandholdthePTT(PushtoTalk)buttontotransmit

yourvoice.Thetransmitsignalicon“TX”

willdisplayontheLCDscreen.b.HoldtheunitinaverticalpositionwiththeMic(Microphone)5

cmawayfromthemouth.WhileholdingthePTTbutton,speakintothemicrophoneinanormal

toneofvoice.c.ReleasethePTTbuttonwhenyouhavefinishedtransmitting.



Forotherstoreceiveyourtransmission,theymustbeonthesamechannelasyou.



Call‐Ringtone

YoucanusetheCALLbuttontosendatonetootherusersonthesamechannel.Toactivatethis

feature;a.Withtheunitinnormal

mode,pressandreleasetheCALLbutton.Theunitwilltransmit

a2‐secondpagetonetotheotherunit/ssetwiththesamechannelwithintransmittingrange.

NOTE:Thisfunctionisonlypossibleevery60seconds.

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Crystal Audiovideo DBH20-80 Two-Way Radio User Manual