DUTY LED
The DUTY LED is illuminated (in green) when the BNWAS is active and according to
type of Cabin Panel:
Cabin Panel set as Captain, Backup Officer or Public is illuminated in all phases of
the watch alarm.
Note: The LED is disabled when a 4-core cable (MPYC-4 or equivalent) connects
Cabin Panel(s) to the Processor Unit.
ALARM LED
The ALARM LED lights (in red) and the buzzer sounds in response to an alarm sent
to the 2nd and 3rd stages.
TEST switch
The TEST switch checks the LEDs and the buzzer for correct operation. The connection between the Cabin Panel and Processor Unit is also checked. (This check is not available when those units are connected to each other with a 4-core cable.)
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