4) correcting keystone distortion, Auto keystone correction, Manual keystone correction – NEC LT380 User Manual

Page 39: ᕤ correcting keystone distortion

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Correcting Keystone Distortion

Auto Keystone Correction

The Auto Keystone correction feature will correct vertical distortion of a projected image on the screen. No special
operation required. Just put the projector on a flat surface.
To use the Auto Keystone function, first you must select [Auto] in [Keystone] from the menu.

Manual Keystone Correction

You can also correct keystone distortion manually.
To do so:

1. Press the 3D REFORM button on the remote control or the projector

cabinet.

The Keystone screen will be displayed on the screen.

• When [Auto] is selected in [Keystone] from the menu, start from step 3.

2. Press the SELECT

̄

button to select [Vertical] and then use the

SELECT

̇

or

̈

so that the left and right sides of the projected im-

age 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.

• Use the shorter side of the projected image as the base.

• In the right example, use the left side as the base.

NOTE: When [Manual] is selected in [Keystone] from the menu, project an image
adjusting projector position so that the screen is smaller than the area of the projected
image. See page

77

for selecting [Manual] in [Keystone].

3. Projecting an Image (Basic Operation)

Screen frame

Projected area

Align left side

4. Press the SELECT

̆

button to select [Horizontal] and then use the

SELECT

̇

or

̈

so that the top and bottom sides of the projected

image are parallel.

• Adjust the horizontal keystone distortion.

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