Eizo FLEXSCAN L560T-CB Manual page 30

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Imaging problems
Problems
3. Display position is incorrect.
4. Vertical bars of distortion appear.
5. Horizontal bars of distortion
appear.
6. Letters and lines appear blurred.
7. The screen is too bright or too
dark.
8. Afterimages appear.
9. The screen has defective pixels
(e.g. slightly light or dark).
28
6. TROUBLESHOOTING
Points to check with possible solutions
Adjust the image position using the <Position>
(p.23)
The two display modes, VGA 720 x 400 (70
Hz) and 320 x 200 (70 Hz), have the same
signal timings. Using this adjustment selects the
appropriate display mode. (This function effects
only when the resolution is VGA 720 x 400 (70
Hz) or 320 x 200 (70 Hz).
If the problem persists, use the graphics board's
utility software to change the display position if
available.
Decrease the vertical bars using the <Clock>.
(p.22)
Decrease the horizontal bars using the <Phase>.
(p.22)
Switch the <Smoothing> mode. (p.23)
Adjust the <Brightness> (The backlight of the
LCD monitor has a fixed life span. When the
screen becomes dark or begins to flicker, please
consult your dealer.)
Do you use the screen saver or timer (p.19)
when displaying the same image for extended
periods of time?
Afterimages are particular to LCD monitors.
Avoid displaying the same image for extended
periods of time. (p.19)
This is due to the characteristics of the panel
itself, and not the LCD product.