NEC VT580 User Manual page 33

Adjusting with the Auto Keystone Function (VT580 only)
The Auto Keystone correction feature will correct the vertical distortion of a projected image on the screen. No special
operation required. Just put the projector on a flat surface.
TIP: Even when the menu setting for [Auto Keystone] is turned on, [Keystone] can be adjusted manually.
To turn on [Auto Keystone], proceed the following steps.
1. Press the MENU button
The menu will be displayed.
2. Press the SELECT
The [General] tab will be highlighted.
3. Press the SELECT
The [Auto Keystone] will be highlighted.
4. Press the SELECT
5. Press the MENU button.
The menu will be closed.
NOTE:
• Vertical distortions between offset angles of +/- 30 degrees can be corrected.
• The Auto Keystone correction will take effect in 2 seconds after changing the projection angle during projection.
• The left and right (horizontal) keystone correction is not available.
Place the projector so that the lens surface is parallel to the screen.
The rear feet of the projector can be adjusted to level the projector.
NOTE:
• Auto and Manual Keystone correction angle could be less than 30 degrees depending on the signal and/or aspect ratios.
• Using keystone correction can cause the image to be slightly blurred because the correction is made electronically.
NOTE:
• When the menu is displayed, the Keystone Correction operation is not available by using the buttons on the projector cabinet.
When the menu is displayed, press the EXIT button to close the menu and then perform the Keystone correction.
• From the menu, select [Setup] → [General] → [Keystone]. The changes can be saved with [Keystone Save].
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button to select [Setup] and press the ENTER button.
button.
or button to select [On].
3. Projecting an Image (Basic Operation)
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