JRC JCX-161 - Before Use and Cautions; Warning Symbols and Labels

-iv -
At the end of a dormant period, the WATCH ALARM initiates in order of visual indication, first stage
bridge audible alarm, second stage remote audible alarm, and third stage remote audible alarm. The
alarm continues until it is reset.
Visual indication
At the end of a dormant period, a visual indication initiates on the
bridge.
The visual indication is the form of a blinking display.
First stage bridge
audible alarm
If not reset in 15 sec after the visual indication is initiated, it is the
audible alarm initiated in a bridge.
Second stage remote
audible alarm
If not reset in 15 sec after the first stage bridge audible alarm is
initiated, it is the audible alarm initiated in the remote place of a backup
officer’s and/or a Master’s location.
Third stage remote
audible alarm
If not reset in 90 sec (change in 0 or 90 sec to 180 sec is possible) after
the second stage remote audible alarm is initiated, it is the audible
alarm initiated in the location of further crew.
Alarm sequence and indication without acknowledgements
Normal
state
Visual
indication
The first
stage bridge
audible
alarm
The second
stage remote
audible
alarm
The third
stage remote
audible
alarm
Bridge
(NWZ-4650 display unit)
Illuminated Blinking Blinking Blinking Blinking
Bridge
(NCD-2257 Warning lamp unit)
- Blinking Blinking Blinking Blinking
Bridge
(NCJ-895/896 Reset button
unit)
Illuminated Blinking
Blinking /
Sounding
Blinking /
Sounding
Blinking /
Sounding
Backup officer
(NVS-785 Buzzer unit)
- - - Sounding Sounding
Officer
(NVS-785 Buzzer unit)
- - - - Sounding
Public room
(NVS-785 Buzzer unit)
- - - - Sounding
1．Operation sequence of displays and alarms
2. Component operations at respective stages
3rd stage remote
audible alarm
2nd stage remote
audible alarm
1st stage bridge
audible alarm
Visual indication
Td=Selected dormant period
(minutes)
WATCH ALARM Operation