Tone squelch operation
The tone squelch opens only when you receive a sig-
nal containing a matching subaudible tone in the FM
mode.
You can silently wait for calls from others using the
same tone.
When you transmit, the tone frequency is superim-
posed on your own signal.
Push a band key to select a desired band. q
Push the Mode key [AM/FM] to select the FM w
mode.
• “FM” is displayed.
Push the Multi-function [TONE]( e ) key to turn ON
the Tone Squelch function.
• “TSQL” is displayed.
• Pushing the Multi-function [TONE]() key toggles the
tone setting between “TONE,” “TSQL,” and OFF.
Hold down the Multi-function [TONE]( r ) key for 1
second.
• The Tone frequency screen is displayed.
Push [ t p](F) or [q](F) to select the “T-SQL TONE”
item.
Rotate [MAIN DIAL] to select the desired tone y
squelch frequency.
• The selectable tone frequencies are listed below.
• Hold down [DEF](F) for 1 second to select the default
setting.
• Pushing [T-SCAN](F) toggles the Tone Scan function
ON and OFF. (p. 12-10)
Push the Multi-function [TONE]( u ) key.
• Exits the Tone frequency screen.
• When the received signal includes a matching tone,
squelch opens and the signal can be heard.
Operate in the normal way. i
• When you transmit, the tone frequency is superimposed
on your signal.
• Tone squelch function ON
• Tone frequency screen
Mode keys [MAIN DIAL](F) Function keys
() Multi-function keys
• Selectable tone frequencies (unit: Hz)
67.0
69.3
71.9
74.4
77.0
79.7
82.5
085.4
088.5
091.5
094.8
097.4
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
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