User's Manual

37
return to default factory settings.
SMS command: begin+password
Tracker response: begin ok
Example: begin123456
7 Cautions
Please be sure to follow when using:
1. Keep the tracker used in a dry environment. The humid environment can easily
damage internal circuits.
2. Please do not put it in a dusty environment.
3. Do not put the tracker in overheated or overcooled places.
4. Handle carefully. Don’t vibrate or shake it violently.
5. Please clean with a dry cloth, do not use chemicals and detergents.
6. Please do not paint the device; this may lead to internal circuit failure.
7. Do not disassemble the device.
8. Please read the user manual carefully before installation and operation, and understand
voltage range. Otherwise, it won’t work properly or damage the tracker.
8 Troubleshooting
Faults Solution
Fail to turn on
1. Please check if the power wiring is correct?
2. Please check if the power voltage is correct?
No GSM signal
1. Check whether the SIM card is put in place
2. Whether the SIM card is a GSM network SIM card
3. Don’t turn on the PIN code
4. Call forwarding cannot be opened.
No GPS signal
The device needs to be in an unobstructed position to ensure that it
can receive GPS signals normally.
No response for
SMS command
1. No credit on SIM card.
2. The format of the SMS command is incorrect.
No response for a
call
1. Did you have set up the authorized phone number?
2. If authorized number exists, did you make the call from an
authorized phone number?