Use abnormal situation diagnosis:

❶No image, no sound, power light off

★Reason: Abnormal power converter; The motherboard is abnormal

Handling method: The power converter needs to provide DC 5V and 12V input, the product can be used normally, try to replace the power adapter with the same parameters or contact the dealer

❷No image signal, but there is sound (HDMI sound, 3.5MM audio port sound or built-in speaker sound)

★Reason:Please check if the HDMI cable or VGA cable is connected properly and the monitor signal source setting is correct

Handling method: Change wiring harness or audio equipment

❸Suddenly button malfunction in using

★Reason:Battery is no enough.Buttons wiring connection get loose.

Handling method: Contact to the dealer

❹Buttons operate slowly or appears inexplicable button operation.

★Reason:Signal interference

Handling method: Contact to the dealer