CTX VL510 Manuel de l'utilisateur - Page 15

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Trouble Shooting

B
efore calling an authorized service center, please check that the items below are
properly connected or set.
I
n case of using a non-standard signal, please check the pin assignments and the
signal timing of your adapter with the specifications outlined in sections "Pin
Assignment Table" and "Preset Timing Chart".
Problem
No picture
All LED indicators flash
Display image is not
centered, too small, or
too large
Image is scrolling or
unstable
Picture is fuzzy
Picture bounces or a
wave pattern is present
in the picture
Items to check
Check the color of the power LED indicator; if it is
orange, then the monitor is in a power saving mode.
Check if the horizontal/vertical frequency are out of
range.
Maximize the Brightness and Contrast controls.
The video card may not be seated properly. Make
sure it is fully seated in its slot.
Make sure the signal cable is connected securely to
the video card or computer.
Refer to "Controls & Adjustments." You need to adjust
"Size" and "Position" of the image.
Make sure the signal cable is connected securely to
the video card or computer.
Adjust Contrast and Brightness controls.
Move devices that might be causing electrical
interference away from the monitor. (See "FCC
Information")
15
VL510 User's Manual