12
2 .5 Light Emitting Diodes (LED’s)
Signal indicator (Green) Indicates the current GSM/GPRS signal strength
LED 1 flashes
Poor signal
LED 2 flashes
Is connecting to the GSM network
LED 3 flashes
SIM card error
LEDs 1 to 5 emit light
Indicate the current signal strength
GPRS (Orange)
Indicates the current GPRS status
LED switched on
GPRS connection
Test (Orange)
Is used for alternative signal test
LED emits light
constantly
Emits light constantly for approx. 10 secs. during
signal test
LED flashes constantly
The module cannot communicate with the
electricity meter
Off
Normal condition
Ext Ant (Orange)
Indicates the current choice of antenna
LED turned off
The module uses the internal antenna
LED switched on
The module uses the external antenna
Note: All diodes will turn off after 10 mins .
They can be activated again by pushing down the test button for 2 secs .