Silent Call SD4-SS - Manual (Page 16)

16
Two LEDs and a sounder on the detector provide local visual and
audible indication of the detector’s status:
Table 1: Detector LED Modes
Green LED Red LED Piezoelectric Horn
Power-up Blinks every 5
seconds Blinks every 5
seconds Off
Normal (standby) Blinks every 10
seconds
Off Off
Out of sensitivity Off Blinks every 5
sec Off
Smoke Alarm Off Blinks every 1
sec Temporal Pattern
Low Battery Off Blinks every 45
sec Chirp every 45 sec after
LED blinks for 7 days
During initial power-up, the red and green LEDs will blink
synchronously once every 5 seconds. It will take approximately 20
seconds for the detector to finish the power-up cycle (see Table 1).
After power-up has been completed and the detector is functioning
normally within its listed sensitivity range, the green LED blinks once