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8
SUBAUDIBLE TONE OPERATION
■ Tone squelch operation
D Operation
The tone squelch opens only when receiving a signal con-
taining a matching subaudible tone. You can silently wait for
calls from group members using the same tone in an ama-
teur band.
q Set the operating frequency.
w Set the desired subaudible tone in
expanded set mode.
•See right for programming.
e Push [V/M] for 2 sec. to enter ex-
panded set mode.
r Rotate [DIAL] until “TSQL” ap-
pears.
•Turn the expanded set mode ON for
selection. (p. 25)
•“TSQL” disappears after 1 sec. and “tO” appears.
t While pushing [FUNC], rotate [DIAL] to select “TSQL.”
y Push [V/M] to exit set mode and start the tone squelch.
u When the received signal includes a matching tone,
squelch opens and the signal can be heard.
•When the received signal’s tone does not match, tone squelch
does not open, however, the S-indicator shows signal strength.
•To open the squelch manually, push and hold [SQL].
i To cancel the tone squelch, repeat steps e–y as de-
scribed above and select “OFF” in step t.
DSetting subaudible tones for tone squelch
operation
q Select VFO mode or desired memory channel to be pro-
grammed.
w Push [V/M] for 2 sec. to enter expanded set mode.
e Rotate [DIAL] until “TONE” appears.
•Turn the expanded set mode ON for selection. (p. 25)
•“TONE” disappears after 1 sec. and “Ct” appears.
r While pushing [FUNC], rotate [DIAL] to select a subaudible
tone.
•Each operating band and each memory channel have indepen-
dent settings.
t Push [V/M] to exit set mode.
•Available subaudible tone frequencies (unit: Hz)
➲CONVENIENT
Store subaudible tone frequencies and tone squelch ON/OFF
settings in memories for easy recall.
