4K HDBaseT
TM
Repeater
13
7. Troubleshooting & Maintenance
Problems
Causes
Solutions
Output images in display
show with ghost
Incorrect
setting
on
the
display
Check the display
’s setting
A cable of bad quality
Try another high quality
connection cable
No output image
No signal at the input / output
end
Check with oscilloscope or
multimeter if there is any
signal at the input / output
end.
Fail or loose connection
Make sure the connection
is good
Cannot
control
the
device by control device
(e.g. a PC) through
RS232 port
Wrong
RS232
communication parameters
Make sure the RS232
communication parameters
are correct.
The device has already been
broken
Send
it
to
authorized
dealer for repairing.
Static becomes stronger
when
connecting
the
video connectors
Bad grounding
Check the grounding and
make sure it is connected
well.
If your problem persists after following the above troubleshooting steps, seek further
help from authorized dealer or our technical support.
