Shenzhen Bitvisus Technology Limited
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matrix.
RST
Reset key, press this key to restart the machine.
（4）Power interface
4. Common problem
If there is no corresponding image output when the device is switched:
Check whether there is a signal at the corresponding input terminal.(Use an
oscilloscope or multimeter for testing) If there is no signal input, the input
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 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
