22
Troubleshooting
If, after reading User Guide, if you have additional questions related to the use of your Touch Panel,
display please contact your dealer.
Before calling service, please identify the symptoms and try following the suggested solutions.
Remote Control
Problem
Possible Solutions
Remote Control does not operate
The batteries could be weak. Replace the
batteries.
Check the orientation of the batteries.
Video and Audio
Problem
Possible Solutions
No picture (screen is not lit)
No sound
Make sure the power cord is plugged in.
Press POWER on the panel or on the remote
control.
Try another source, there may be no input
signal.
Dark, poor or no picture (screen
lit), good sound
Select a different picture mode.
Adjust the brightness in the video setting.
No color/dark picture /color is not
correct
Adjust the color in the video setting.
Only snow and noise appear
Check the input signal.
Dotted lines or stripes
Move the panel away from noise sources such
as cars, neon signs, or hair dryers. Move the
source away from the panel
Double images
Maybe due to reflected or ghost signal.
Good picture, no sound
The sound be muted. Press MUTE again to
cancel.
Make sure the stereo is set to stereo or mono.
Audio noise
Communication problems may occur if infrared
communication
equipment
(e.g.
infrared
cordless headphones) are used nearby. Move
the infrared equipment away.
