I-Trac GTLT3 User Manual page 6

3.3.1 Step 1: Install SIM Card
Insert the SIM card by sliding it into the card slot.
1
2 Make sure to turn off the power before install the SIM card.
3 Make sure to deactivate the PIN code, so that the SIM card can operate without PIN
protection.
4 Before install the SIM card to the GPS Tracker, please use a mobile phone to make sure
the SIM card can make & receive phone calls without problem.
5 Before install the SIM card to the GPS Tracker, please use a mobile phone to empty the
SMS storage of the SIM card.
3.3.2 Wiring Description：
3.3.3 Description of GTLT3 LED :
LED State Description
Red LED--- indicate charge sate
State
GTLT3 USER MANUAL
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