Icom IC-7610 Instruction Manual advanced - Page 39

Tone squelch operation, Checking another station's tone frequency

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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." LTouching [TONE] changes between "TONE," "TSQL" and "OFF." 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. Blinks while scanning 2. To close the TONE FREQUENCY screen, push EXIT . 3. Touch [TONE] for 1 second. 4. Rotate MAIN DIAL to select the tone frequency. Touch for 1 second to reset to the default. ••Selectable tone frequencies 67.0 88.5 114.8 151.4 177.3 69.3 91.5 118.8 156.7 179.9 71.9 94.8 123.0 159.8 183.5 74.4 97.4 127.3 162.2 186.2 77.0 100.0 131.8 165.5 189.9 79.7 103.5 136.5 167.9 192.8 82.5 107.2 141.3 171.3 196.6 85.4 110.9 146.2 173.8 199.5 203.5 206.5 210.7 218.1 225.7 229.1 233.6 241.8 250.3 254.1 35

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35
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.
•
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
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
.
4. Rotate
MAIN
DIAL
to select the tone frequency.
Touch for 1 second to
reset to the default.
Blinks while scanning