I Tone Scan - Icom IC-91A Instruction Manual

12
OTHER FUNCTIONS

I Tone scan

The transceiver can detect the subaudible tone frequency and
DTCS code in a received signal. By monitoring a signal that
is being transmitted on a repeater input frequency, you can
determine the tone frequency required to access the repeater.
q Set the desired frequency or memory channel to be
checked for a tone frequency or DTCS code.
w Push and hold [TONE](7) for 1 sec. several times to acti-
vate the repeater tone, tone squelch or DTCS squelch.
(TONE, TSQL or DTCS)
• Rotating [DIAL] while pushing and holding [TONE](7) also se-
lects the tone functions.
e Push and hold [T.SCAN](9) for 1 sec. to start the tone
scan.
• To change the scanning direction, rotate [DIAL].
r When the tone frequency or DTCS code is decoded, the
set mode contents are programmed with the frequency or
code.
• The tone scan pauses for the set period in scan pause timer
(p. 96) when a tone frequency or DTCS code is detected.
• The decoded tone frequency is used for the repeater tone fre-
quency when the tone squelch is OFF.
• The decoded tone frequency is used for the tone squelch fre-
quency (CTCSS TONE) when the tone squelch is ON.
• The decoded DTCS code is used for the DTCS code when the
DTCS squelch is ON.
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t Push [VFO] to stop the scan.
• If the scan is cancelled before the transceiver detects the tone or
code, the set mode contents are not changed.
• The detected tone is temporary operation only. The stored tone
setting in memory or call channel won't be changed.
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