Kensence KX-HDMI-44 User Manual page 37

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.
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.
32
4K 4x4 HDMI2.0 Matrix Switcher
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.