JRC JCX-161 - Chapter 3 Operation

Chapter 2 Names and Functions of System Components
21
2.3 Buzzer unit (NVS-785)
This outputs the 1st Stage Bridge audible alarm, the 2nd stage remote audible alarm and 3rd
stage remote audible alarm from the control unit (NCK-175) by buzzer operation and LED
illumination.
2.3.1 Names and functions of system components
①
②
No.
Name
Function
①
Buzzer
(Audible alarm
device)
This is sounded at the 1st Stage Bridge audible alarm, the
2nd stage
remote audible alarm and 3rd stage remote audible alarm.
②
LED lamp
This is illuminated when the 1st Stage Bridge audible alarm, 2nd stage
remote audible alarm and 3rd stage remote audible alarm is output.
It remains off in normal state. The brightness cannot be adjusted at
illuminating.
1） Audible alarm function of audible alarm buzzer
Normal
state
Visual
Indication
1st stage
Bridge
audible
alarm
2nd stage
remote
audible
alarm
3rd stage
remote
audible
alarm
EMERGENCY
CALL
Bridge
Alarm
BAM
EMERGENCY
CALL
− −
Sound/
Illuminated
Sound/
Illuminated
Sound/
Illuminated
Sound/
Illuminated
Sound/
Illuminated
Sound/
Illuminated
* The 2nd stage remote audible alarm operates only when it is set for the backup officer.