Huabao post ignition will give users a clue that the recorder starts checking the parts of the system and the ports, at the same time the system is self-checking on the screen. The screen displays the number of satellites, the status of the wireless network, the signal, the main power voltage, GPS antenna voltage, and device error information after finishing self-control. If there is something wrong with the equipment, the error information is uploaded to the monitoring center when linked to the web.
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