E
37
3 TROUBLESHOOTING
Points to check with possible solutions
Use the graphics boards utility software to change
the frequency setting. (Refer to the manual of the
graphics board.)
Whenever an error signal message appears, the
signal frequency will be displayed in red.
Points to check with possible solutions
Press the AUTO-SIZING button on the front panel.
See page 18.
Adjust the image size and/or position using the icons
in the ScreenManager “Screen” menu. See page 19.
The CRT is not warmed up. Allow 30 minutes for
the monitor to stabilize.
Degauss the screen. (Use the degaussing feature in
the ScreenManager’s “Others” menu. See page 33.)
This problem can be caused by the earth’s magne-
tism. Adjust the uniformity in the ScreenManager’s
“Screen” menu. See page 20.
Adjust the contrast and brightness using the
ScreenManager’s “Screen” menu. See page 19.
Some signal timings can be the cause of this
problem. To correct this, turn off the monitor, then
hold down the AUTO-SIZING button and “down”
arrow key while turning on the monitor again. This
will change the signal timing and brighten the
screen. If the above operation is repeated, the
screen becomes dark again.
Problems
5) Out of range error message
appears.
n Imaging problems
Problems
1) Display size and/or position
is incorrect.
2)The screen is partially dark.
3)The entire screen is dark.
(Example)
Error messages will remain on the screen for 30 seconds, and then disappear. An
error message may not appear at all if the signal frequency is extremely high or
extremely low.