18G 4x1 Presentation Switcher with Soft Codec & Wireless BYOD
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9. Troubleshooting & Maintenance
Problems
Potential Causes
Solutions
Output image with white
noise.
Bad quality of the connecting cable
Try another high-quality
cable.
Fail or loose connection
Make sure the connection is
good.
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.
Fail or loose connection.
Make sure the connection is
good.
The switcher is broken.
Send it to authorized dealer
for repairing.
POWER
indicator doesn’t
work or no respond to any
operation
Fail connection of power cord.
Make sure the power cord
connection is good.
Cannot control the device by
control device (e.g. a PC)
through RS232 port
Wrong RS232 communication
parameters.
Type in correct RS232
communication parameters.
Broken RS232 port.
Send it to authorized dealer
for checking.
Note:
If your problem still remaining after following the above troubleshooting steps,
please contact your local dealer or distributor for further assistance.
