TROUBLESHOOTING
Page 30
VGA PROBLEMS
The image appears multiple
times on the display.
•
Do not extend the video cable. Do not use an input selector switch box.
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.
•
Use a screen saver or other power management feature.
The color white does not
display as white.
•
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.
The display ripples or flickers.
•
Open the OSD menu, go to the R
ESET
menu, and select the A
UTO
A
DJUST
option. Then, if necessary, manually adjust pitch and phase.
•
Verify that the display adaptor or video card matches the specifications
for the DTU-710.
•
Adjust the refresh rate in the Display Properties control panel.
The display is not clear.
•
As necessary, adjust contrast or brightness, pitch and phase.
•
Set the display resolution of your video card to 1280 x 1024.
The display and LCD panel are
not lined up. The display size
is not correct.
•
Open the OSD menu, go to the R
ESET
menu, and select the R
ECALL
option.
•
As necessary, adjust pitch and phase, and horizontal and vertical
position. Note that some video cards may not show the display in proper
sizing.
The display ripples or shows a
moiré pattern. The display
color is not even.
•
Open the OSD menu, go to the R
ESET
menu, and select the R
ECALL
option.
•
As necessary, adjust pitch and phase.
DTU-710_Manual.fm Page 30 Monday, August 30, 2004 3:49 PM
