NEC LT280 LT280/LT38 UM - Page 39

(4) Correcting Keystone Distortion, Auto Keystone Correction, Press the SELECT

Page 39 highlights

3. Projecting an Image (Basic Operation) ᕤ 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 image are parallel. * Adjust the vertical keystone distortion. Projected area Screen frame 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]. 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. Align left side 29

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29
´
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
²
button to select [Vertical] and then use the
SELECT
³
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
³
or
´
so that the top and bottom sides of the projected
image are parallel.
Adjust the horizontal keystone distortion.