Comfortable Receiving; I Tone/Dtcs Squelch Operation - Icom IC-R20 Instruction Manual

9

COMFORTABLE RECEIVING

I Tone/DTCS squelch operation

The tone or DTCS squelch opens only when receiving a sig-
nal with the same pre-programmed subaudible tone or DTCS
code, 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 subaudible tone condition from "TSQL," "TSQLS,"
"DTCS" or "DTCSS," "VSC" and "OFF."
• One of "TSQL," " TSQLS," "DTCS," "DTCSS" and "VSC"
appears according to the tone selection.
45
[R-DIAL]
145 975
√
"TSQL" appears
TONE
7
OFF: (No indication)
VSC selection
DTCS with pocket beep
function selection
eWhen a signal with the matched tone is received, the
squelch opens and the receiver emits audio.
When pocket beep function is activated, the receiver also
emits 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] while
pushing [7 TONE] to tone indication disappears.
NOTE: The VSC (Voice Squelch Control) function opens
the squelch only when receiving a modulated signal. This
function is very useful while scanning, the VSC pauses a
only when modulated signals are received. Scanning con-
tinues when unmodulated or beat signals are received.
Tone squelch selection
Tone squelch with pocket
beep function selection
DTCS selection