4x4 HDMI2.0 Matrix with Audio Matrix
35
EDID management
does not work
normally
The HDMI cable is broken at
the output end.
Change for another HDMI
cable which is in good
working condition.
There is a blank
screen on the display
when switching
The display does not support
the resolution of the video
source.
Switch again.
Manage the EDID data
manually to make the
resolution of the video
source automatically
compliant with the output
resolution.
Cannot control the
device by control
device (e.g. a PC)
through RS232 port
Wrong connection.
Check to ensure the
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 authorized dealer
for checking.
Note:
If your problem persists after following the above troubleshooting steps, seek
further help from authorized dealer or our technical support.
