User's Manual

二． LED State
Red LED（ Power ）
Flashing Low power alarm
Always light
Charging
Slow Flashing
Charge full, Normal working
Dark Low power/Shut
1、Yellow LED（GSM）
Slow Flashing(15 sec)
GSM
initialization
Flashing GSM signal regular
Always light GSM calling/GPRS start
dark GSM no signal
2、Blue LED（GPS）
Flashing GSM signal regular
dark GSM no signal
三
三三
三. Appearance schemes
Picture 1 Picture 2