User guide

Partial, scrolling, or incorrectly displayed image
Press the
Resync
button on the remote control or the control panel.
If you are using a Dell portable computer (for other computers consult your owner's
manual):
1. Set the resolution of the computer to XGA (1024 x 768):
1a) Right click on the unused portion of your Windows desktop-»
Properties-» Settings tab.
1b) Verify the "Screen area" slide bar is set to 1024x 768 pixels for the
external monitor port.
2. Press .
If you experience difficulty in changing resolutions or your monitor freezes, restart all
the equipment and the projector.
The screen does not display your presentation
If you are using a Dell portable computer, press .
Image is unstable or flickering
Adjust the tracking in the OSD
Computer Image
tab.
Image has vertical flickering bar
Adjust the frequency in the OSD
Computer Image
tab.
Image color is not correct
If your graphic card output signal is "sync on Green", and you would like to display
VGA at 60Hz signal, please go into "OSD--> Management --> Signal Type" and
select "RGB".
Run "Self-diagnostic test" (see " Self-diagnostic for video ") for preliminary diagnostic
on image color problem. Ensure that the colors of the test pattern are correct.
Image is out of focus
Adjust the focus ring on the projector lens.
Ensure that the projection screen is within the required distance from the projector
(3.9ft [1.2m] to 39.4ft [12m]).
The image is stretched when displaying 16:9 DVD
The projector automatically detects 16:9 DVD and adjusts the aspect ratio to full screen with a 4:3 (letter-box)
default setting.