ICOM ic-r2 User Manual
23
8
SUBAUDIBLE TONE OPERATION
■
Pocket beep operation
This function uses subaudible tones for calling and can be
used as a “common pager” to inform you that someone has
called using the same tone in an amateur band while you
were away from the receiver.
used as a “common pager” to inform you that someone has
called using the same tone in an amateur band while you
were away from the receiver.
D
Waiting for a call from a specific station
q
Set the operating frequency.
w
Set the desired tone squelch tone in expanded set mode.
• See the previous page for programming information.
e
Push [V/M] for 2 sec. to enter expanded set mode.
r
Rotate [DIAL] until “TSQL” appears.
• Turn the expanded set mode ON for selection. (p. 25)
• “TSQL” disappears after 1 sec. and “tO” appears.
• “TSQL” disappears after 1 sec. and “tO” appears.
t
While pushing [FUNC], rotate [DIAL] to select “P BEEP.”
y
Push [V/M] to exit set mode and start the pocket beep.
• “T SQL
ë
” appears in the function display.
u
When a signal with the correct tone is received, the re-
ceiver emits beep tones for 30 sec. and flashes “
ceiver emits beep tones for 30 sec. and flashes “
ë
.”
i
Push [V/M] to stop the beeps and flashing.
• Tone squelch is automatically selected.
The receiver has 50 tone frequencies and consequently
their spacing is narrow compared with units having 38
tones. Therefore, some tone frequencies may receive in-
terference from adjacent tone frequencies.
tones. Therefore, some tone frequencies may receive in-
terference from adjacent tone frequencies.
■
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.
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.
checked for a tone frequency.
w
Push [FUNC] + [
Y
] or [
Z
] for 2 sec. to start the tone scan.
• To change the scanning direction, rotate [DIAL].
e
When the tone frequency is decoded, the set mode con-
tents are programmed with the tone frequency.
tents are programmed with the tone frequency.
• The tone scan pauses when a tone frequency is detected.
• The decoded tone frequency is used for the tone squelch fre-
• The decoded tone frequency is used for the tone squelch fre-
quency.
• “Ct” appears during tone scan.
r
Push [FUNC] + [
Y
] or [
Z
] to stop the scan.
T
“Ct” appears during
tone scan.
tone scan.
Tone frequencies
flash as they are
scanned.
flash as they are
scanned.