DTF521_Manual.fm Page 32 Tuesday, February 28, 2006 10:36 AM
The image appears multiple times | • | Do not extend the video cable. Do not use an input selector |
on the display. |
| switch box. |
When a still image is displayed for | • | Use a screen saver or other power management feature. |
a long period of time without |
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refreshing the screen, an after- |
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image remains for a short period of |
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time. |
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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.
VGA problems
The display ripples or flickers.
•Open the OSD menu, go to the RESET menu, and select the AUTO ADJUST option. Then, if necessary, manually adjust pitch and phase.
•Verify that the display adapter or video card matches the specifications for the
| • Adjust the refresh rate in the Display Properties control panel. |
The display is not clear. | • Set the display resolution of your video card to 1024 x 768. |
| • As necessary, adjust contrast or brightness, pitch and phase. |
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The display and LCD panel are not | • Open the OSD menu, go to the RESET menu, and select the RECALL |
lined up. The display size is not | option. |
correct. | • As necessary, adjust pitch and phase, and horizontal and vertical |
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| 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 RESET menu, and select the RECALL option.
•As necessary, adjust pitch and phase.
Troubleshooting page 32
