4-34
■
Tone squelch operation
The tone squelch opens only when receiving a sig-
nal containing a matching subaudible tone. You can
silently wait for calls from group members using the
same tone.
q
Set the desired frequency band and select FM
mode.
w
Push [TONE]
(MF6)
to turn the tone squelch func-
tion ON.
• “
TSQL
” appears
e
Hold down [TONE]
(MF6)
for 1 second to select the
tone frequency set mode.
r
Push [
Y
]
F-1
or [
Z
]
F-2
to select T-SQL TONE
item.
t
Rotate the main dial to select the desired tone
squelch frequency.
• Hold down [DEF]
F-4
for 1 second to select the de-
fault setting.
y
Push
EXIT/SET
to return to the previous display.
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 [XFC].
i
Operate the transceiver in the normal way.
o
To cancel the tone squelch, push [TONE]
(MF6)
to
clear “TSQL.”
• Available tone frequencies
(unit: Hz)
Main dial
F-4
DEF
TONE
F-1
∫
F-2
√
AM/FM
4
RECEIVE AND TRANSMIT
67.0
69.3
71.9
74.4
77.0
79.7
82.5
0
85.4
0
88.5
0
91.5
0
94.8
0
97.4
100.0
103.5
107.2
110.9
114.8
118.8
123.0
127.3
131.8
136.5
141.3
146.2
151.4
156.7
159.8
162.2
165.5
167.9
171.3
173.8
177.3
179.9
183.5
186.2
189.9
192.8
196.6
199.5
203.5
206.5
210.7
218.1
225.7
229.1
233.6
241.8
250.3
254.1
