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Troubleshooting A-3
Writer:M. Silvetti Saved by: Marianne Silvetti Saved date: 05/12/00 4:29 PM
Part Number:177284-001 File name: DAppA.doc
Solving Display Problems
(Continued)
Portable computer or PC
Companion screen is not
displaying the presentation
(continued)
Mac PowerBooks:
1. To control video mirroring, click
Control PanelDisplay, then set
Video Mirroring to ON for both
internal and external viewing.
2. Set Video Mirroring OFF for
image on external monitor only or
internal only, depending on
monitor selection in Monitors.
Image is flickering or
unstable
Press the
Resync
button on the
projector panel to adjust the tracking.
If that doesn't stop the flickering,
adjust the Clock Phase function in the
on-screen menu.
Image is out of focus
1. Adjust the Focus Ring on the
projection lens.
2. Make sure the projection screen
is within the required distance
(3.3 - 35 feet/1 - 10.8 meters)
from the projector.
3. Check the projection lens to see
if it needs cleaning. Follow the
“Cleaning the Lens” procedures
in Chapter 5, “Care and
Maintenance.”
Continued