3. Projecting an Image (Basic Operation)

￿Correcting Keystone Distortion

Auto Keystone Correction

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.

Note that the vertical keystone angle can be corrected between 30 degrees upward and 30 degrees downward of projector tilt from level.

NOTE: Auto and Manual Keystone correction angle could be less than 30 degrees depending on some kinds of signal and aspect ratios.

NOTE: The Auto Keystone Correction feature can cause an image to be slightly blurred because the correction is made electroni- cally.

Manual Keystone Correction

You can also correct the vertical keystone distor- tion manually.

To do so:

1.Press the MENU button. The menu will be displayed.

2.Turn off the Auto Keystone function.

Use the SELECT

button to select

“Image” and then press the SELECT

button. The “Auto Keystone” will be

displayed. Press the SELECT to select

“Off”.

 

3. Select the Keystone function.

Use the SELECT

button to select

“Keystone”.

 

4. Correct the vertical distortion.

Use the SELECT

or button to correct

the vertical keystone distortion.

NOTE: The Keystone Correction feature can cause an image to be slightly blurred because the correction is made electronically.

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IBM VT670, VT470, VT676, VT575 manual Correcting Keystone Distortion, Auto Keystone Correction, Manual Keystone Correction