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1. HOW THE BRIDGE ALARM SYSTEM OPERATES
1-4
Watch safety alarm sequence (DNV)
BRIDGE PANEL
TIMER RESET PANEL
(incl. watertight type)
Back-up navigation officer quarters
and all public areas
CABIN PANEL
Visual ALM*
+ Audible ALM
Visual ALM (lighting)
+ Audible ALM
Visual ALM (lighting)
+ Audible ALM
BUZZER STOP
ACK
Timer starts
Variable (90-180 s)
Timer
starts
2nd stage
3rd stage
15 s
15 s
Specified interval
Variable (3-12 min)
NO BUZZER STOP
NO ACK
Alarm forwarded
Alarm forwarded
- TIMER RESET
- OPERATOR FITNESS
- ACKNOWLEDGE
If none of the above is done
Visual ALM*
Visual ALM*
+ Audible
ALM
Visual ALM (lighting)
+ Audible ALM
*Red flashing at Bridge Panel,
yellow flashing at Timer Reset Panel
1st
stage
30 s after specified
interval elapses
Prewarning
CABIN PANEL in all
navigation officers quarters
(The CABIN PANELS in all public areas
continue the alarm.)