ALFAtron ALF-MMX3232A-N, Руководство пользователя

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ALF-MMX3232A-N
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9. Troubleshooting & Maintenance
Problems Potential Causes Solutions
Output image ghosting
Bad quality of the
connecting cable
Try another high-quality
cable
Inappropriate image
setting of the display
Adjust corresponding image
settings
Output image with color
loss or no video signal
output
Failed connection
Reconnect the display and
the matrix
No output image when
switching
No signal at the input /
output end
Check with oscilloscope or
multimeter if there is any
signal at the input/ output
end.
Failed or loose
connection
Ensure the connection is
good
The switcher is broken
Send to authorized dealer
for repair.
IR remote does not work
Battery is dead Change batteries
IR remote is broken
Send to authorized dealer
for repair.
POWER indicator does
not work or no response
to any operation
Failed connection of
power cord.
Ensure the power cord
connection is good.
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.
Static becomes stronger
when connecting the
video connectors
Inadequate grounding
Check the grounding and
make sure it is connected
well.