5OPERATIONPOWER ON/OFFPress and hold select/power key to turn theradio on. A channel number will appear on thedisplay. Press and hold select/power key toturn the radio off.VOLUMEPress volume/channel or key toincrease or decrease the volume level.‘VOL’ icon appears on the display whilevolume is being adjusted.There are 8 volume levels. Level 0 (No Audio)to Level 7 (Maximum Volume).ADJUSTING THE KEY BEEPSYour radio emits a beep each time one of the keys (except forthe PTT button) is pressed.To turn OFF this beep: Press and hold dup/call key whileturning on the radio.To turn ON this beep: Press and hold dup/call key while turningon the radio.ROGER BEEPRoger Beep is a BEEP that is sent to notify the end oftransmission (both PTT and VOX transmission.) Roger Beep canbe heard through the speaker when Key Beep is on. Roger Beepis transmitted even if Key Beep is turned off. However, RogerBeep will not be heard from the speaker.To turn OFF Roger Beep: Press and hold volume/channel key while turning on the radio.To turn ON Roger Beep: Press and hold volume/channel key while turning on the radio.UT928ZH_UH060_ENG_0929 9/29/04 3:26 PM Page 5