Quick user guide
Helpy GSM
Issue 1.00
Page 29
Optical indicators
Green LED for GSM signal strength
Red LED for device status
Yellow LED for alarm status
Blue LED for the power supply
No signal
Very good signal
Good signal
Average signal
Week signal
A connection is active
Device is NOT logged in the GSM network
Device is logged in the GSM network
A alarm call has been sent
Technical/test call alarm active
A alarm call is parked
Power OK, Battery 100%
Power OK, Battery 75%
Power OK, Battery 50%
Power OK, Battery 25%
Power OK, Battery empty
Power OFF, Battery 100%
Power OFF, Battery 75%
Power OFF, Battery 50%
Power OFF, Battery 25%