ALFAtron ALF-MUH88E, Руководство пользователя

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ALFATRON ALF-MUH88E
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7. Troubleshooting & Maintenance
Problems Causes Solutions
Color losing or no video
signal output
The connecting cables may
not be connected correctly
or it may be broken.
Check whether the cables
are connected correctly
and in working condition.
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
Input source is with HDCP
while
the HDCP
compliance is switched off.
Send command
/%[Y]/[X]:1. or change
HDCP compliance status in
GUI.
The display doesn’t support
the input resolution.
Switch for another input
source or enable the
display to learn the EDID
data of the input.
Cannot control the device
via front panel buttons Front panel buttons are
locked.
Send command /%Unlock;
or select unlock in GUI
interface to unlock
Cannot control the device
via IR remote
The battery has run off. Change for new battery.
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.
The IR receiver connected
to IR IN port is not with
carrier
Change for an IR receiver
with carrier.
Power Indicator remains off
when powered on Fail or loose power
connection
Check whether the cables
are connected correctly