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NEC PA721X User Manual page 34

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Correcting Keystone Distortion
tor cabinet.
The Keystone screen will be displayed on the screen.
2. Press the
so that the left and right sides of the projected image are parallel.
* Adjust the vertical keystone distortion.
3. Align the left (or right) side of the screen with the left (or right) side
of the projected image.
4. Press the
so that the top and bottom sides of the projected image are par-
allel.
2. Projecting an Image (Basic Operation)
-
or
or
22
Projected area
Screen frame
Align left side
-

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