Shenzhen Bitvisus technology limited. Video News Co., Ltd
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broken or the connector is loose, just replace the connection
cable; the HDMI cable is too long and no signal is input, you
can replace the short cable.
Check for signals at the corresponding outputs.(Use an
oscilloscope or a multimeter for detection) If there is no signal
output, the output connection cable may be broken or the
connector is loose, just replace the connection cable; the
HDMI cable is too long and no signal is output, you can
replace the short cable.
When unplugging or inserting the video interface, you notice
obvious static electricity:
Check whether the external ground of the power supply of the
device is well grounded, and ground it in the correct way,
otherwise the host may be damaged.
The LCD screen does not light up and the buttons do not
respond:
the power supply may be abnormal.(Not in the above cases,
this device may have internal faults, please send it to a
professional for repair.)
If the serial port cannot control the device:
check whether the communication port set by the control
