Furuno FS-1570 User Manual
Page 22
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1 OPERATIONAL OVERVIEW
1-8
1.9.4 Automatic setting of working frequency
The radiotelephone automatically sets working frequency in the following conditions:
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ABLE ACK is sent in response to individual call.
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Your ship receives ABLE ACK in response to own ship-initiated individual call.
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Your ship sends all ship call.
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Your ship sends distress relay.
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Your ship sends distress alert.
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Your ship receives group call or area call.
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Your ship receives distress relay call.
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Your ship receives distress alert.
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