5. LED FLASHES & RELEVANT DEVICE STATUS
There is an external LED light to reflect device status in G797. In order to check
device status through this LED light flashes, LED is located right next to the USB
port. When device is at work, LED will flash at 8‐sec cycle constantly to show related
GSM and GPS status in each cycle.
In each flash cycle when device is at work, LED will flash to indicate GSM status first
then GPS status (there is an interval between them). To check the statuses, please
count the LED light flashes then compare it to the chart below:
Device also uses LED flashes to indicate relevant error if any of the following
situations happens: Device Error, SIM card no balance, GSM network cannot register.
When there is any error as mentioned above, LED light will ON for 1sec then flash
quickly, which helps trouble shoot errors; user can count LED quick flashes then
compare it to below chart:
Status
LED Flashes
Device Power on
LED ON <1sec
GSM module ON but unregistered
1 flash at the beginning of each flash cycle
GSM module ON and registered
2 flashed at the beginning of each flash cycle
GSM module OFF
No flash at the beginning of each flash cycle
GSM module on and registered
3 flash then GPRS connection
GSM module on and registered
4 flash then TCP connection
GPS module ON but haven’t located
1 flash after interval (behind GSM status flash) in
each flash cycle
2 flashes after interval (behind GSM status flash) in
each flash cycle
GPS module ON and located
No flash after interval (behind GSM status flash) in
each flash cycle
GPS module OFF
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Summary of Contents for G797
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