Technical data
BETRIEBSANLEITUNG
12
6 Trouble-shooting
Error Reason Corrective
Operating LED is off - Main power switch is off
- No power supply
- Switch on main switch
- Check power chord
- Check wall plug
No image - cabling is missing or faulty
- Main power switch is off
- Monitor in stand-by mode
- Wrong input channel selected
- Image is not visible
- No video input
- Check DVI or VGA cable
- Check power chord
- Switch on main switch
- Switch on using „power“-key
- Use OSD to select other input
channel
- Use OSD to adjust brightness
and contrast
- Adjust graphics card
configuration
- Check screen saver and
energy saver settings
Poor quality image - Bad or wrong cabling
- Unsupported graphics mode
- Check both ends of video cable
- Check if graphics mode of
video cards is supported by
monitor.
- Check if monitor is operated at
native resolution (1920 x 1080
at 60 Hz)
Smaller resolutions get scaled
to full size causing blur due to
interpolation. This is not a
device fault!
Further steps:
- Execute „Auto Adjust“.
- Use the OSD settings „H-Total“
and „Phase“ until image is clear
and sharp. (After a change of
graphics mode settings might
have to be repeated)
Picture is shown with wrong size or
not centered
- Size or Position manipulated in
OSD
- Unsupported graphics-mode
- Check horizontal and vertical
position in OSD
- Check if graphics mode of
video cards is supported by
monitor.
OSD-Error “Signal out of Range“ - Unsupported graphics-mode - Check if graphics mode of