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Troubleshooting
Imaging Problems
Display position is incorrect
● Press the Auto button.
● Adjust the image position using the
Horizontal Position and/or Vertical Position in
OSD Main Controls.
Image vibrates on the screen
● Check that the signal cable is properly
connected to the graphics board or PC.
Vertical flicker appears
● Press the Auto button.
● Eliminate the vertical bars using the Clock
Adjustment of VIDEO NOISE in OSD Main
Controls.
Horizontal flicker appears
● Press the Auto button.
● Eliminate the horizontal bars using the Phase
Adjustment of VIDEO NOISE in OSD Main
Controls.
The screen is too bright or too dark
● Adjust the contrast and brightness in OSD
Main Controls. (The backlight of the LCD
monitor has a fixed life span. When the
screen becomes dark or begins to flicker,
please contact your dealer.)
An after-image appears
● If an image remains on the screen for an
extended period of time, it may be imprinted
in the screen and leave an afterimage This
usually disappears after a few hours
An afterimage remains after the power
has been turned off.
● This is characteristic of liquid crystal and is
not caused by a malfunction or deterioration
of the liquid crystal. The afterimage will
disappear after a period of time.
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