Correcting Keystone Distortion - NEC VT490 User Manual

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.
NOTE: The Keystone correction range can be made narrower, depending on a signal or its aspect ratio selection.
Adjusting with buttons on the cabinet
1. Press the SELECT
The keystone bar will be displayed.
2. Use the SELECT
The keystone bar will be closed after a period of time.
NOTE: When the menu is displayed, the above operation is not available. When the menu is displayed, press the MENU button to
close the menu and start the Keystone correction.
From the menu, select [Setup] → [General] → [Keystone]. The changes can be saved with [Keystone Save]. ( → page 44)
Adjusting with the Remote Control
1. Press the MENU button.
The menu will be displayed.
2. Press the SELECT
3. Press the SELECT
4. Press the SELECT
Adjust so that the image is rectangular.
5. Press the MENU button.
The menu will be closed.
NOTE: The Keystone correction can cause an image to be slightly blurred because the correction is made electronically.
TIP: The changes can be saved with [Keystone Save]. ( → page 44)
or button with no menus displayed
or to correct the keystone distortion.
button to select [Setup] and press the ENTER button.
button to select [Keystone].
or button.
3. Projecting an Image (Basic Operation)
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