Icom COMMUNICATIONS RECEIVER IC-R3 - Manual (Page 34)

30
8
SUBAUDIBLE TONE OPERATION
t Rotate [DIAL] until “Tone Squelch” or “tSqL” appears.
• “tSqL” disappears after 1 sec. and “to” appears when color LCD is
OFF.
y Push [ ↔ ] or rotate the tuning dial while pushing [FUNC] to
select “P BEEP” (pocket beep).
u Push [(MODE) SET] to exit set mode and start the pocket
beep.
• “P.B” or “T SQL ë ” appears in the function display.
i When a signal with the correct tone is received, the re-
ceiver emits beep tones for 30 sec. and flashes “P.B” or
“
ë .”
o Push [SQL] to stop the beeps and flashing.
• Tone squelch is automatically selected.
■ Tone scan
The receiver can detect the subaudible tone frequency in a
received signal. By monitoring a signal that is being transmit-
ted on a frequency, you can check the tone frequency re-
quired to access the repeater, or to open the tone squelch.
q Set the desired frequency or memory channel to be
checked for a tone frequency.
w Select FM mode with [MODE].
e Push [FUNC] + [ ↔ ] for 2 sec. to start the tone scan.
• To change the scanning direction, rotate [DIAL].
r When the tone frequency is detected, the set mode con-
tents are programmed with the tone frequency.
• The tone scan pauses when a tone frequency is detected.
• The detected tone frequency is used for the tone squelch fre-
quency.
• “Ct” appears during tone scan.
t Push [ ↔ ] to stop the scan.
S1 3 5 7 9
VOL
FM
146.1 CT
TS 15.0
“Ct” appears
during tone
scan. Tone frequencies
flash as they are
scanned.
flashes when correct
tone is received.
TSQL FM
P
S1 3 5 7 9
VOL
RX
FM P.B
146.100.000
TS 15.0
RX