GV200 User Manual
Table 13: Description of LEDs
Light
Case
State
If LED switch is set to off by AT+GTCFG, GPS
LED will be off all the time after it has worked for
30 minutes maximum from GV200 was powered on.
In this case, cases for GPS LED listed below will be
ignored.
Always Off
GPS LED will be off if GPS chip is closed.
Off
Checksum of NEMA packet from GPS chip is
invalid.
There is no data output from GPS chip when it is
working.
Slow flashing
GPS chip is trying to get valid GPS info.
Fast flashing
GPS LED
GPS chip has been getting valid GPS info.
On
If LED switch is set to off by AT+GTCFG, PWR
LED will be off all the time after it has worked for
30 minutes maximum from GV200 was powered on.
In this case, cases for PWR LED listed below will
be ignored.
Always Off
Backup battery is enabled and its voltage is not low
if external power supply is cut.
Off
Backup battery is enabled and its voltage is low if
external power supply is cut.
Slow flashing
Backup battery is enabled and it is in charging by
external power supply.
Fast flashing
Backup battery is enabled and it is fully charged by
external power supply.
PWR LED
Backup battery is disabled and external power
supply is connected.
On
GV200 is in searching GSM network state.
Fast flashing
GV200 has been registered to GSM network.
Slow flashing
GSM LED
SIM card inserted to GV200 need pin code to
unlock.
On
TRACGV200UM001
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