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and then Monitors; in the Monitors screen, choose Options and make
sure Macintosh Hi-Res Display or another 640 x 480 display is
selected. For supported display settings, see Chapter 6.
If a 640 x 480 display is selected, see Chapter 6 for supported display
settings. You also may need to modify existing presentation files if you
created them for a different resolution. See your software manual for
specific information.
The message NO SIGNAL is displayed.
An image source not connected to the projector is selected, the signal is
not being output from the computer, or the signal is not reaching the
projector. Make sure the connectors are securely attached to both the
projector and the image source. Then check that the image source is
selected correctly. When NO SIGNAL is displayed, you cannot access
the projector menus.
A black screen is displayed.
The computer signal cannot be interpreted by the projector. Verify the
display format (see page 57). When you see a black screen, you cannot
access the projector menus.
The image or parts of the image are blurred or not in focus.
Turn the focus ring on the projector to see if this improves the image.
Also check that the projector is within the recommended distance for
the size of the screen. (See the table on page 4 for more information.)
For the sharpest images, the projector must be perpendicular to the
screen and the projection surface must be flat.
Problems with the Image or Sound
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