Eizo ColorEdge CG221 User Manual page 49

The signal frequency is out of
range. Error signal frequency will
be displayed in red. (Example)
3. Display position is
incorrect.
4. Screen image is smaller
or larger than the actual
screen images.
5. Vertical bars of distortion
appear.
6. The characters and
images have several
vertical bars on their right
side.
[ ] Use the graphics board's utility software to
change the frequency setting. (Refer to the
manual of the graphics board.)
[ ] Adjust the image position using the
<Position>.
[ ] If the problem persists, use the graphics
board's utility software to change the display
position if available.
[ ] Adjust the resolution using the <Resolution>.
[ ] Decrease the vertical bars using the <Clock>.
[ ] Adjust the characters and images using the
<Signal Filter>.