Icom IC-9700 Instruction Manual advanced - Page 15

Tone squelch operation, Checking another station's tone frequency

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1. ADVANCED OPERATIONS Tone squelch operation FM mode 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. Push FUNCTION . ••Opens the FUNCTION screen. 2. Touch [TONE]. About the tone squelch types indication TSQL: Tone Squelch function DTCS(T)/TSQL(R) ("D" in "D-TSQL" blinks): DTCS code in TX, Tone squelch in RX TONE(T)/TSQL(R) ("T" in "T-TSQL" blinks): Repeater tone in TX, Tone squelch in RX 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]. 3. Touch the Tone squelch mode. Blinks while scanning ••The scan starts, and then stops when the matching tone frequency as another station is received. 2. To close the TONE FREQUENCY screen, push EXIT . 4. Touch [TONE] for 1 second. 5. Rotate MAIN DIAL to set the tone frequency. ••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 1-11

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1-11
1. ADVANCED OPERATIONS
FM mode
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. Push
FUNCTION
.
• Opens the FUNCTION screen.
2. Touch [TONE].
3.
Touch the Tone squelch mode.
•
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 matching
tone frequency as another station is received.
Blinks while
scanning
Tone squelch operation
About the tone squelch types indication
TSQL:
Tone Squelch function
DTCS(T)/TSQL(R) (“D” in “D-TSQL” blinks):
DTCS code in TX, Tone squelch in RX
TONE(T)/TSQL(R) (“T” in “T-TSQL” blinks):
Repeater tone in TX, Tone squelch in RX
4.
Touch [TONE] for 1 second.
5. Rotate
MAIN DIAL
to set the tone frequency.
2.
To close the TONE FREQUENCY screen, push
EXIT
.