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7
TONE SQUELCH OPERATION
The tone squelch opens only when receiving a signal con-
taining a matching subaudible tone in FM mode. For exam-
ple, you can silently wait for calls from group members using
the same tone in an amateur band.
D Using the multi-function receiver screen
q Click the [FM] button to select FM mode.
w Click the [T-SQL] button to bring up the [TONE SQUELCH]
dialog box.
• "T-SQL" appears in the function display.
e Click the [$] button, then select the desired tone squelch
frequency.
• Fifty-one tone frequencies from 67.0 to 254.1 Hz are available.
r Click the close (["]) button to close the [TONE SQUELCH]
dialog box.
t When the received signal includes a matching tone,
squelch opens and the signal can be heard.
• When the received signal's tone does not match, tone squelch
does not open, however, the S-indicator shows signal strength.
y Click the [T-SQL] button to cancel the tone squelch.
• "T-SQL" disappears.
D Using the simple function receiver screen
q Click [MENU] and select the 'Function Controller' when it
is not displayed.
w Click the [FM] button in the function controller screen to se-
lect FM mode.
36
e Click the [TSQL] button to bring up the [TONE SQUELCH]
dialog box.
• "T-SQL" and tone squelch frequency appear in the information
display.
r Click the [$] button, then select the desired tone squelch
frequency.
• Fifty-one tone frequencies from 67.0 to 254.1 Hz are available.
t Click the close (["]) button to close the [TONE SQUELCH]
dialog box.
y 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.
u Click the [TSQL] button to cancel the tone squelch.
• "T-SQL" and tone squelch frequency disappear.
• Available tone squelch frequencies
67.0
79.7
097.4
118.8
146.2
69.3
82.5
100.0
123.0
151.4
71.0
85.4
103.5
127.3
156.7
71.9
88.5
107.2
131.8
159.8
74.4
91.5
110.9
136.5
162.2
77.0
94.8
114.8
141.3
165.5
(unit: Hz)
167.9
186.2
206.5
241.8
171.3
189.9
210.7
250.3
173.8
192.8
218.1
254.1
177.3
196.6
225.7
179.9
199.5
229.1
183.5
203.5
233.6
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