1. The device traffic card is all equipped with installation, and no new card is required after receiving it.

　　2. The flow card equipped with the device is not recommended to use the equipment.

　　3. Before installing the device, you must call the power switch next to the traffic card to ON.

　　Through the equipment indicator, the position of the power switch can be determined. Before the device does not connect the vehicle power supply, the power switch is transferred to ON, the device indicator flickering, the power switch is transferred to the OFF, and the device indicator will not flash (it is recommended to turn on the equipment power switch before connecting the vehicle power supply).

　　4. In order to ensure that the equipment can search for Beidou and GPS satellite signals well, it is recommended that the equipment with the side of the indicator light faces the sky.

　　5. Try not to put the device in places where iron pipes, iron barrels, navigation screens, etc. will interfere with Beidou and GPS satellite signals.

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