NEC VE280, Руководство пользователя

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3. Projecting an Image (Basic Operation)
Correcting Keystone Distortion
Correcting Keystone Distortion
If the screen is tilted vertically, keystone distortion becomes large. Proceed with the following
steps to correct keystone distortion
NOTE:
• The Keystone correction can cause an image to be slightly blurred because the correction is made electronically.
• The Keystone correction range can be made narrower, depending on a signal or its aspect ratio selection.
• When conducting extreme offset with Keystone correction, sometimes, based on its combination with aspect ratio, it occurs that
the on screen menu would extend beyond the screen. When this happens, please adjust it back into the screen.