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Stoltzen SUHM44 HDMI Matrix 4x4
28
via IR remote
The IR remote is broken.
Send
it
to
authorized
dealer for repairing.
Beyond the effective range
of the IR signal or not
pointing at the IR receiver
Adjust the distance and
angle and point right at the
IR receiver.
Power Indicator remains off
when powered on
Fail
or
loose
power
connection
Check whether the cables
are connected correctly
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.
Static becomes stronger
when connecting the video
connectors
Bad grounding
Check the grounding and
make sure it is connected
well.
Cannot control the device
by RS232 / IR remote /
front panel buttons
The device has already
been broken.
Send it to authorized
dealer for repairing.
If your problem persists after following the above troubleshooting steps, seek further
help from authorized dealer or our technical support.