1) Why can not I turn on the car radio?

1. please check Car Radio Voltage: DC 12 V

2. When you test this car radio, you can combine the red and yellow wires and connect them to the positive side of the power supply. the black line to the negative of the power supply.

3. Replace the same type of insurance to test the car radio.

Note: Please use our power cords to connect our car radio, you can not insert the original car plug directly into our machine.

 2)Why the car radio will show "No Signal" when we reverse?

Please make sure the camera line is properly connected to the car radio.

Note: The video port on the rear camera should insert the "CAMIN" car radio port.

3)Why is the camera display "!" And "Can not watch video while driving" when I use USB to watch videos?

Please turn off the "Warning" function in the settings, then it will be OK

 4)Why not search FM?

1: On the radio antenna inserted;

2: Make sure the radio antenna is plugged in. Please insert more before