Alarm Sound SelectionThe transceiver provides three different Alarm sound.i2.. Press and hold the F key and the SHIFT key thenwo4,Press the CONT SEL key for the band to select theAlert tone.Turn the Power switch off.turn the Power switch on. The current Alert soundindicator will light.indicatorbei |Alert soundLow toneHigh tone bFieMelody bELFRotate the tuning control to select the desired Alertsound.5.Press any key to return to previous mode.524-10.AUTOMATIC POWEROFF(APO)This transceiveralsoprovidesanAutomatic Poweroffcircuit.Thecircuitactionisdescribed below.(Initialstateisoff.)pan.Toturn theAPOfunctionon/off, press theFkeyforlonger than1second andthenpresstheMHzkey.OEE.A5secondaudioconfirmationalertwillsoundafter2hours59minutesifnosignalhas been received andifyouhavenotperformedany operation.1minuteafterthis alertsignal thetransceiverwilshutitselfoff..WhentheAPOoperates andthetransceiverisshutoff,thetransceivercan be reactivatedbyturningthePOWERswitch backon.4-11. DIMMER (DIM)Theintensity ofilluminationcan beset toone of fourlevels.(D1 thru D4, with D1 beingthe brightest.)1,Press theFkey, then press theLOW/DIMkey whiletheFindicatorlights.The displaywillshow whichintensity level iscurrentlyin use.