I Tone Squelch Operation - Icom IC-756PROII Instruction Manual

5
RECEIVE AND TRANSMIT

I Tone squelch operation

The tone squelch opens only when receiving a signal
containing a matching subaudible tone. You can
silently wait for calls from group members using the
same tone.
q Push [VFO/MEMO] to select VFO mode.
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w Push the desired band key.
e Push [AM/FM] several times to select FM mode.
r Push [TONE] several times until "TSQL" appears
in the function display.
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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.
• To open the squelch manually, push [XFC].
y Operate the transceiver in the normal way.
u To cancel the tone squelch, push [TONE] to clear
"TSQL."
48
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• Setting the tone squelch tone
The transceiver has 50 tones from 67.0 Hz to
254.1 Hz.
q Select FM mode.
w Push [TONE] for 1 sec. to enter tone set mode.
e Push [(F-2)√] to select the tone squelch tone item.
r Rotate the tuning dial to select the desired tone
squelch frequency.
t Push [EXIT/SET] to exit tone set mode.
Available tone squelch tones
67.0 085.4 107.2 136.5
69.3 088.5 110.9 141.3
71.9 091.5 114.8 146.2
74.4 094.8 118.8 151.4
77.0 097.4 123.0 156.7
79.7 100.0 127.3 159.8
82.5 103.5 131.8 162.2
CONVENIENT
Store tone squelch frequencies and ON/OFF settings
in memory channels for easy recall.
(Unit: Hz)
165.5 186.2 210.7 254.1
167.9 189.9 218.1
171.3 192.8 225.7
173.8 196.6 229.1
177.3 199.5 233.6
179.9 203.5 241.8
183.5 206.5 250.3