Icom IC-905, Руководство для продвинутых пользователей

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ADVANCED OPERATIONS
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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 �
• Opens the FUNCTION screen�
2� Touch [TONE]�
3� Touch the Tone squelch type� (Example: TSQL)
4� Touch [TONE] for 1 second�
5� Rotate to set the tone frequency�
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]�
• The scan starts, and then stops when the matching
tone frequency from the other station is received�
2� To close the TONE FREQUENCY screen, push
�
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
Blinks while scanning