NEC LT280 LT280/LT38 UM - Page 39
(4) Correcting Keystone Distortion, Auto Keystone Correction, Press the SELECT
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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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