WhatsGPS S288G, Руководство пользователя

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the operator to open it for you.
If there is no connection, the prompt terminal cannot
be connected temporarily or is not in the service area.
The area where the terminal is located may not cover
the GSM signal or the signal is weak in the basement.
Please drive to the area where there is a signal to use.
If not connected, it indicates that the terminal balance
is insufficient or the machine is stopped.
First of all, check the LEDs’ status. If it is not
convenient to check that, please check the SIM card
status :
1)Call the SIM card number of the device to check
whether you can get through;
2)Check whether the vehicle is in no GSM area, such
as basement;
3)Check the GSM/GPS disconnection area, whether it
is all disconnected or few of them disconnected, to
make sure whether it is the fault of operator’s
internet.
4)Check whether your SIM card charge is overdue;
5)Check whether the SIM card supports GPRS;
6)Check the parameter setup, whether the device
IMEI number, GPRS sending interval is correct;