Understanding the working principle and general fault handling methods of car GPS positioning systems helps to promptly and quickly resolve faults, better ensuring the continuity and integrity of GPS positioning data. Information advocates that all customers and agents actively learn GPS maintenance related knowledge, and better utilize the effectiveness of GPS positioning systems. The following are the commonly used maintenance knowledge listed by our company

　　1. Backup battery:

　　The backup battery in the device only ensures normal operation during temporary power outages, and the backup battery has a short working time when the car battery is out of power. So please keep the car battery fully charged and working properly.

　　2. False alarm:

　　Please do not press the emergency alarm button by mistake, and you will be responsible for any false alarms.

　　3. If encountering abnormal phenomena, please do not repair them yourself; The company is not responsible for any damage caused by connecting non original accessories or unplugging the connections between various components.

　　4. Please do not use this device in a damp environment, especially when washing the car. Be careful not to let water splash into this device.

　　5. When the vehicle is inside a building, in a cave, in a tunnel, or in a nearby tall building, it will affect the reception of GPS satellite signals and GSM communication network signals, leading to equipment malfunction; When the vehicle exits the above area, the equipment operation will automatically resume.

　　6. Connect the power supply and the indicator light does not light up:

　　Quickly unplug the power plug and check the power supply voltage;

　　● Check if the polarity of the power cord is correct;

　　Check if the positive connection and negative grounding of the power cord are secure.

　　7. GSM login instability:

　　Check if the local network signal is normal and if the SIM card fee is sufficient;

　　Check if the GSM antenna is intact and if the connector with the host is tightened;

　　Check that the GSM antenna cannot be placed in a fully enclosed or shielded area.

　　8. Long term GPS non positioning:

　　The initialization time of the newly installed GPS receiver is relatively long, and it is normal for it to not locate within 10 minutes;

　　There should be no shielding or obstruction above the GPS antenna. If installing equipment in the garage, please move the vehicle out of the garage and away from tall buildings during equipment debugging;

　　Check if the connection between the GPS antenna and the host is secure.

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