When the car GPS positioning system finds that the actual position of the vehicle does not match the GPS display position, please follow the following steps to check

　　1. Unable to log in to the network or unable to call the GPS vehicle terminal, and the on-site observation indicator light does not light up

　　Check whether the power supply is correctly connected to the equipment;

　　Check if the connection between the power cord and the car power supply is loose or detached;

　　If the testing is normal, the equipment may be damaged. Please contact the equipment supplier for resolution;

　　2. You can log in to the GPRS network or GPS car terminal, but the roll call is normal, but the GPS does not locate

　　Check if the car was in the GPS signal blind spot at the time, leave the blind spot or observe and judge after a period of time;

　　On site inspection to see if the yellow LED light flashes approximately once every 1 second

　　If the above tests are normal and the fault has not been eliminated, please contact the equipment supplier for resolution;

　　3. Unable to log in to the GPRS network or unable to register on the GPS car terminal

　　Check whether the car was in the GSM signal blind spot at the time, leave the blind spot or observe and judge after a period of time;

　　On site inspection to see if the green LED light flashes once every 1 second. If it is not normal, continue with the following inspection;

　　Check if the SIM card is loose;

　　Detect whether the SIM card is in arrears;

　　Check if the SIM card is burnt out;

　　If the above tests are normal and the fault has not been eliminated, please contact the equipment supplier for resolution;

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