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EDID management
does not work
normally
There is a blank
screen on the
display when
switching
Cannot control the
device by control
device (e.g. a PC)
through RS232 port
Static becomes
stronger when
connecting the
video connectors
Cannot control the
device by RS232 /
IR remote / front
panel buttons
If your problem persists after following the above troubleshooting steps, seek further
help from authorized dealer or our technical support.
4K 8x8 HDMI2.0 Matrix Switcher
The HDMI cable is broken at the
output end.
The display does not support the
resolution of the video source.
Wrong connection
Wrong RS232 communication
parameters
Broken RS232 port
Bad grounding
The device has already been
broken.
Change for another HDMI
cable which is in good
working condition.
Switch again.
Manage the EDID data
manually to make the
resolution of the video
source automatically
compliant with the output
resolution.
Check to ensure the
connection between the
control device and the unit
Type in correct RS232
communication
parameters: Baud
rate:9600; Data bit: 8; Stop
bit: 1; Parity bit: none
Send it to authorized
dealer for checking.
Check the grounding and
make sure it is connected
well.
Send it to authorized
dealer for repairing.
33
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