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POWER indicator doesn't
work or no respond to any
operation
EDID management does
not work normally
There is a blank screen
on the display when
switching
Static becomes stronger
when connecting the
video connectors
Cannot control the device
by control device (e.g. a
PC) through RS232 port
Cannot control the device
by front panel buttons
while can control it
through RS232 port
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.
Compact Scaler Switcher (with PoC)
Fail connection of power
cord.
The HDMI cable is broken
at the output end.
The display does not
support the resolution of
the video source.
Bad grounding
Wrong RS232
communication
parameters
Broken RS232 port
The front panel buttons
are locked
The device has already
been broken.
Make sure the power cord
connection is good.
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 the grounding and
make sure it is connected
well.
Type in correct RS232
communication
parameters.
Send it to authorized
dealer for checking.
Send command 50605%
to unlock the front panel
buttons.
Send it to authorized
dealer for repairing.
34
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