Troubleshooting
48
Nothing happens when
you press or rotate the
control wheel
• The User Controls may be disabled.
Please read the paragraph about the
“User Controls” function.
The image is non-pro-
portionally spread out
over the screen
• Select another resolution in the
Windows “Display Properties” control
panel
• Switch the “Scaling” function
(Geometry menu) in the display OSD
to “None” or “Best Fit”
The image on the
screen is rotated 90°
• Select another resolution in the
Windows “Display Properties” control
panel
The previous image
remains slightly visible
on the screen
• This phenomenon, called “image
sticking” is normal if the same image
has been on the screen for a long
time. The ghost image will disappear
after some time.
Over 10 hours operation with the
same image content is not
recommended. Switching on the
display DPMS may decrease the risk of
image sticking.
• A slight case of image sticking can be
solved by continuously displaying a
full white image during a number of
hours.
On a dual-head system,
the images on the left
and right display seem
to be switched
• Switch the video cables at the display
controller or at the display video
inputs
Problem description Possible tests or solutions
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