the status of the unit. All LED is enabled when power on, and short click SOS key to
change GSM & GPS LED enable / disable status.
Red LED -- Indicating power status
Off Power off / charging complete / working / GPS optional
Flashing (on for 0.05s and off for 4.95 s) Low power
Flashing (on for 1s and off for 4 s) GPS on
On Charging
Green LED -- Indicating GPS status
Off Device is not ready
Flashing (on for 0.05 s and off for 4.95 s) GPS fix
Flashing (on for 1 s and off for 4 s) GPS no fix / GPS power off
Blue LED –Indicating GSM status
On Telephone dial/Have a call/Busy/ GPRS transmit
Flashing (on for 0.05 s and off for 4.95 s) TRACKER is connected to GSM network
Flashing (on for 1 s and off for 4 s) TRACKER is not connected to the GSM network
Note: When it is power on, but not finding SIM card or showing errors on SIM card, the three LEDs will
be on and off one by one as a circle repeatedly.
Power Button To turn on/off
SOS Button Long press SOS button to send an alarm to location
center and make a phone call and/or send an SMS to
the preset phone number.
Short press SOS button to change GSM & GPS LED
enable / disable status.
1 Button Long press 1 button to make a phone call and/or send
an SMS to the preset phone number.
2 Button Long press 2 button to make a phone call and/or send
an SMS to the preset phone number.
3 Button Long press 3 button to make a phone call and/or send
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