La
se
r S
ky | U
se
r M
an
ua
l 1
07
9V
18
09
12
The power to engage
For contact information and full warranty conditions refer to
support.ctouch.eu
. If, after reading these operating instructions, you have additional questions related to the use
of your CTOUCH interactive display, please check the symptoms below and follow the suggested solutions. If you still have further questions, please visit
support.ctouch.eu
or
call the services center in your local area.
TROUBLESHOOTING
Remote Control
Problem
Possible Solutions
Remote control does not operate
• Make sure the CTOUCH interactive display is switched on.
• Check the direction of the batteries.
• The batteries could be low. Replace the batteries.
Video and Audio
Problem
Possible Solutions
No picture (screen not lit) and no sound
• Make sure the power cord is plugged in.
• Press POWER on the CTOUCH interactive display or on the remote control.
• Test another source.
Dark, poor or no picture
(screen lit) but good sound
• Select a proper picture mode.
• Adjust the brightness in the video setting.
• Test another source.
No color, dark picture or abnormal color
• Adjust the color saturation in the video setting.
Good picture but no sound
• The sound may be muted. Press MUTE again to cancel.
• Verify if sound should output and/or test another source.
Audio noise
• Communication problems may occur if infrared communication equipment (e.g., infrared cordless headphones) is used near the CTOUCH
interactive display. Move the infrared communication equipment away from the CTOUCH until the noise is eliminated.
