35
8 Acoustical and optical messages
Activating
Optical signal
Acoustical signal
Explanation
LED indicating signal
strength T (fig. 1/ 8)
blinking green/red
-
Log-on process to GSM network
Blue LED (fig. 1/ 4)
continuously on
-
Search for GSM net
Blue LED (fig. 1/ 4)
flashing
-
GSM net found
All keys + LEDs light up
for 4 sec.
3 short beeps
Successful log-on to GSM net
-
15 short beeps every 15 sec.
Log-on to GSM net not successful
(LED = Light emitting diode / GSM = Global system for mobile communication)