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30
DIGITAL SIGNAGE
Symptoms
How to solve the problem
The screen displays without the
sound.
Check the volume up and down with remote control and audio connection cable
No sound from either right
speaker or left speaker.
Confirm the status of the sound balance on OSD menu and check the connection of speaker cable.
Remote control doesn't work.
Check if any foreign substances in the sensor and the polarity of battery is inserted. If the batteries are
drained, replace them with new batteries.
PC D-SUB doesn't work.
Set up the resolution referring to frequency table of input terminal. And re-boot the system as it supports
Plug and Play.
Fan on the rear doesn't work
Check the status of temperature control on OSD menu
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If any problem is unsolved after trying all of the above diagnosis, please call the customer center.