Optoma Optoma ThemeScene H77 - Manual (Page 28)

E
nglish
28
4. Verify the resolution is less than or equal to 1280 x 720.
5. Select the “Change” button under the “Monitor” tab .
6. Click on “Show all devices. ” Next, select “Standard monitor
types” under the SP box; choose the resolution mode you need
under the “Models” box.
7. Verify that the resolution setting of the monitor display is less
than or equal to 1280 x 720.
4 If using a Notebook PC:
1. First, follow the steps above to adjust resolution of the
computer.
2. Switch the Notebook PC display to the “external display only”
or “CRT only” mode.
4 If you experience difficulty changing resolutions or your
monitor freezes, restart all the equipment including the projector.
Problem: The screen of the Notebook or PowerBook computer
is not displaying your presentation.
4 If using a Notebook PC:
Some Notebook PCs may deactivate their own screens when a
second display device is in use. Each has a different way of
reactivating. Refer to your computer’s documentation for
detailed information.
Problem: Image is unstable or flickering
4 Use “Phase” to correct it. See page 22 for more information.
4 Change the monitor color setting on your computer.
Problem: Image has a vertical flickering bar
4 Use “Frequency” to make an adjustment. See page 22 for more
information.
4 Check and reconfigure the display mode of your graphics card to
ensure compatibility.
Problem: Image is out of focus
4 Make sure the transparent lens cap is removed.
4 Use or button to focus the image.
4 Make sure the projection screen is between the required distance
3.3 to 32.8 feet (1.0 to 10.0 meters) from the projector.
Appendices