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Troubleshooting
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 Phase/
Clock of More Settings in OSD Main
Controls.
Horizontal flicker appears
● Press the Auto button.
● Eliminate the vertical bars using the Phase/
Clock of More Settings in OSD Main
Controls.
The screen is too bright or too dark
● Adjust the contrast and brightness on
Monitor Setup. (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 after-
image. This usually disappears after a few
hours
An after-image 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 after-
image will disappear after a peroid of time.
Green, red, blue, dark, and white dots
remains
● The remaining dots are normal
characteristic of the liquid crystal used in
today’s technology.
file:///D|/My%20Documents/dfu/200P7/english/200p7/safety/saf_troub.htm (2 of 3)2006-12-11 1:16:20 PM