AVG-UHD4K-88
compliant with the output
resolution.
Cannot control the device
by control device (e.g. a
PC)through RS232 port
Wrong connection
Check to ensure
connection between the
control device and the unit
Wrong RS232
communication
parameters
Type in correct RS232
communication
parameters: Baud
rate:9600; Data bit: 8;
Stop bit: 1; Parity bit: none
Broken RS232 port
Send it to an authorized
dealer for repair
Static becomes stronger
when connecting the video
connectors
Poor grounding
Check the grounding and
make sure it is connected
well.
Cannot control the device
by RS232 / IR remote /
front panel buttons
The device has a previous
fault
Send it to an authorized
dealer for repair
If your problem persists after following the above troubleshooting steps, seek further
help from your authorized dealer.