Correcting Horizontal And Vertical Keystone Distortion [Cornerstone]; Cornerstone - NEC PA600X User Manual

 Correcting Horizontal and Vertical Keystone Distortion [COR- Correcting Horizontal and Vertical Keystone Distortion [COR-
NERSTONE]
Use the 3D Reform feature to correct keystone (trapezoidal) distortion to make the top or bottom and the left or right
side of the screen longer or shorter so that the projected image is rectangular.

Cornerstone

1. Press and hold the 3D REFORM button for a minimum of 2 seconds to reset current adjustments.
Current adjustments for [KEYSTONE] or [CORNERSTONE] will be cleared.
2. Project an image so that the screen is smaller than the area of the raster.
3. Pick up any one of the corners and align the corner of the image with a corner of the screen.
Projected image
4. Press the 3D REFORM button twice.
The Cornerstone adjustment screen is displayed.
TIP: If you are adjusting [KEYSTONE], [CORNERSTONE] will not be
available. If this happens, press and hold the 3D REFORM button for a
minimum of 2 seconds to reset the [KEYSTONE] adjustments.
5. Use the  button to select one icon () which points in the direction you wish to move the projected
image frame.
6. Press the ENTER button.
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The drawing shows the up-
per right corner.
TIP: PA600X/PA500X: When [WIDE SCREEN] is selected from [SCREEN TYPE],
lines that show "16:9" or "16:10" will be displayed. Click the outer corners.
PA550W/P-PA500U: When [4:3 SCREEN] is selected from [SCREEN TYPE], lines
that show "4:3" will be displayed. Click the outer corners.
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3. Convenient Features
The drawing shows the upper left
icon ( ) is selected.