SIGMA AM-255 - Manual (Page 13)

3. OPERATING INSTRUCTIONS page 10
Model AM-255
Acknowledge:
This is a momentary contact pushbutton switch which clears the audio and visual
indication of alarm conditions.
Key Switch:
The key switch is used to clear alarm lamps or test relays during maintenance.
Test:
A momentary contact pushbutton switch used to test the lamps, LEDs, and
Relays.
Sonalert:
The Sonalert provides audible alarm.
3.2. SUMMARY OF ALARM INDICATIONS
The AM-255 provides
both audible and visual
alarm indications for
radiation alarms, low
and high background
alarms, and tamper
conditions.
NOTE:
Power failure indicator is for the remote alarm console only. If power fails in the pillar and the
battery reaches a low condition, the low alarm indicator will come on.. Personnel/vehicle
monitor’s low battery levels are signaled by the tamper alarm.
SUMMARY OF ALARM INDICATIONS
High background alarm flashing amber and audible
Low background alarm flashing amber and audible
RAD alarm flashing red and audible
Tamper alarm flashing amber and audible
Power fail power indicator off