Vga Problems - Wacom DTF-521 Guide D'installation Et Manuel D'utilisation

The image appears multiple times
on the display.
When a still image is displayed for
a long period of time without
refreshing the screen, an after-
image remains for a short period of
time.
Color quality is inaccurate.
The color white does not display as
white.

VGA PROBLEMS

The display ripples or flickers.
The display is not clear. Text or
other portions of the screen
appear blurred.
The display and LCD panel are not
lined up. The display size is not
correct.
The display ripples or shows a
moiré pattern. The display color is
not even.
• Do not extend the video cable. Do not use an input selector switch
box.
• Use a screen saver or other power management feature.
• Open the OSD menu, go to the R
option.
• Any changes to the contrast setting should be made in small
increments as changes in contrast may affect color accuracy.
• Verify that the display is operating at the factory default settings. If
that is not sufficient, then adjust color as necessary. For details on
color management, refer to your operating system and application
documentation.
• Verify that the video cable and connector are fully connected.
• Open the OSD menu, go to the R
A option. Then, if necessary, manually adjust pitch and phase.
DJUST
• Verify that the display adapter or video card matches the
specifications for the DTF-521.
• Adjust the refresh rate in the Display Properties control panel.
• Set the display resolution of your video card to 1024 x 768.
• Turn off the DTF-521, then turn it back on.
• Open the OSD menu, go to the R
A option. If necessary, manually adjust the brightness, pitch,
DJUST
and phase settings.
• Open the OSD menu, go to the R
A option.
DJUST
• As necessary, adjust pitch and phase, and horizontal and vertical
position. Note that some video cards may not show the display in
proper sizing.
• Open the OSD menu, go to the R
A option. If this does not solve the problem, go to the R
DJUST
menu and select the R
factory default settings.
• As necessary, adjust pitch and phase.
menu and select the R
ESET
menu, and select the A
ESET
menu, and select the A
ESET
menu, and select the A
ESET
menu, and select the A
ESET
option to set the display back to the
ECALL
ECALL
UTO
UTO
UTO
UTO
ESET
Troubleshooting
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