Tone Squelch Operation - Icom IC-7610 Advanced Manual

2. ADVANCED OPERATIONS

Tone squelch operation

The Tone squelch opens only when you receive a
signal that includes a matching subaudible tone in the
FM mode. You can silently wait for calls from other
stations using the same tone.
When you transmit, the tone frequency is
superimposed on your own signal.
1. Set the operating frequency in the FM mode.
(Example: 29.550.00 MHz)
2. Touch [TONE] several times to select "TSQL."
L Touching [TONE] changes between "TONE," "TSQL"
and "OFF."
3. Touch [TONE] for 1 second.
4. Rotate to select the tone frequency.
MAIN DIAL
• Selectable tone frequencies
67.0 88.5 114.8 151.4 177.3 203.5 250.3
69.3 91.5 118.8 156.7 179.9 206.5 254.1
71.9 94.8 123.0 159.8 183.5 210.7
74.4 97.4 127.3 162.2 186.2 218.1
77.0 100.0 131.8 165.5 189.9 225.7
79.7 103.5 136.5 167.9 192.8 229.1
82.5 107.2 141.3 171.3 196.6 233.6
85.4 110.9 146.2 173.8 199.5 241.8
Touch for 1 second to
reset to the default.
Checking another station's tone frequency
You can check another station's tone frequency by
tone scanning while the station is transmitting.
1. Touch [T-SCAN].
• The scan starts, and then stops when the tone
frequency as another station is received.
2. To close the TONE FREQUENCY screen, push
.
EXIT
35
Blinks while scanning