Icom IC-R20 Instruction Manual

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Icom IC-R20 Instruction Manual Manual pdf 58 page image

45COMFORTABLE RECEIVING9■ Tone/DTCS squelch operationThe tone or DTCS squelch opens only when receiving a sig-nal with the same pre-programmed subaudible tone or DTCScode, respectively. You can silently wait for the specified sig-nal using the same tone.q Set the desired frequency in FM mode.wWhile pushing [7 TONE], rotate [R-DIAL] to select the de-sired squelch condition from “TSQL,” “TSQLS,” “DTCS,”“DTCSS,” “VSC” and “OFF.”• One of “TSQL,” “ TSQLS,” “DTCS,” “DTCSS” and “VSC”appears according to the squelch selection.eWhen a signal with the matched tone is received, thesquelch opens and the receiver emits audio.When pocket beep function is activated, the receiver alsoemits beep tones and blinks “S”.• Beep tones sound and “S” blinks for 30 sec.rPush [DUALWATCH] to stop the beeps and blinking man-ually.• “S” disappears and the pocket beep function is deactivated.tTo cancel the tone squelch or DTCS, rotate [R-DIAL] whilepushing [7 TONE] to tone indication disappears.NOTE: The VSC (Voice Squelch Control) function opensthe squelch only when receiving a modulated signal. Thisfunction is very useful while scanning, the VSC pausesonly when modulated signals are received. Scanning con-tinues when unmodulated or beat signals are received.MODEAFCTSQLFM-DUPMODEAFCTSQLFM-DUPMODEAFCTSQLFM-DUPMODEAFCDTCSFM-DUPMODEAFCVSCFM-DUPMODEAFCDTCSFM-DUPTone squelch with pocketbeep function selectionDTCS selectionVSC selectionDTCS with pocket beepfunction selectionTone squelch selectionOFF: (No indication)√MODE ANLAFCTSQLFM145 975PSKIP-DUPTSQL appears[R-DIAL]TONE7