Sony FS-2570 Benutzerhandbuch
1 OPERATIONAL OVERVIEW
1-7
1.9 System Characteristics
1.9.1 Equipment priority
Equipment priority order is as below.
1. DMC
2. Control unit sending distress alert
3. Control unit 1 – routine use
4. Control unit 2 – routine use
5. NBDP
1. DMC
2. Control unit sending distress alert
3. Control unit 1 – routine use
4. Control unit 2 – routine use
5. NBDP
1.9.2 Controls become inoperative
Controls become inoperative in the following conditions:
•
Controls of idle control unit in the two-control unit system when other control unit goes
OFF HOOK.
OFF HOOK.
•
Controls of idle control unit in the two-control unit system when other control unit
switches to the DSC mode.
switches to the DSC mode.
•
Distress received by DMC (Distress Message Controller).
•
NBDP is scanning or communicating.
•
Distress alert or distress relay is transmitted.
•
Call other than distress is transmitted (transmission time about 8 s). If it becomes
necessary to unlock the keyboard before the message is transmitted, press the
[CANCEL] key to cancel the call.
necessary to unlock the keyboard before the message is transmitted, press the
[CANCEL] key to cancel the call.
1.9.3 Controls become operative
Controls become operative in the following conditions:
•
[DISTRESS] button is pressed.
•
Control unit having highest priority is operated.
•
Other control unit in two-control unit system goes ON HOOK.
•
Distress received by DMC is acknowledged.
•
NBDP stops scanning or communicating.
1.9.4 Automatic setting of working frequency
The radiotelephone automatically sets working frequency in the following conditions:
•
ABLE ACK is sent in response to individual call.
•
Your ship receives ABLE ACK in response to own ship-initiated individual call.
•
Your ship sends all ship call.
•
Your ship sends distress relay.
•
Your ship sends distress alert.
•
Your ship receives group call or area call.
•
Your ship receives distress relay call.
•
Your ship receives distress alert.
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