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40 8. TROUBLESHOOTING
Problems Points to check with possible solutions
3. Display position is
incorrect.
4. Screen image is smaller or
larger than the actual
screen images.
5. Vertical bars of distortion
appear.
Adjust the image position using the “Position”.
(p.24)
If the problem persists, use the graphics board’s utility
software to change the display position if available.
Adjust the resolution using the “Resolution”. (p.24)
Decrease the vertical bars using the “Clock”. (p.23)
Decrease the horizontal bars using the “Phase’. (p.23)
Adjust the blurred lines using “Smoothing”. (p.28)
This happens when both composite (X-OR) input signal
and separate vertical synchronizing signal are input.
Please select one of the two.
Adjust the “contrast and brightness”.
(The backlight of the LCD monitor has a fixed life span.
When the screen becomes dark or begins to flicker,
please contact your dealer.)
When the screen image is changed after displaying the
same image for a long period, an afterimage may appear.
Use the “Off Timer” function and avoid keeping the screen
on all the time. (p.21)
6. Horizontal bars of
distortion appear.
7. Letters and lines appear
blurred.
8. Distortion appears like the
figure below.
9. The screen is too bright or
too dark.
10. Afterimages appear.