NEC NP1150 NP1150/2150/3150/3151W user's manual - Page 54

(8) Correcting Horizontal and Vertical Keystone Distortion [CORNERSTONE], Cornerstone

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4. Convenient Features  Correcting Horizontal and Vertical Keystone Distortion [Cornerstone] 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 The drawing shows the upper right corner. Screen TIP: NP3150/NP2150/NP1150: When [WIDE SCREEN] is selected from [SCREEN TYPE], lines that show "16:9" will be displayed. Click the outer corners. NP3151W: When [4:3 SCREEN] is selected from [SCREEN TYPE], lines that show "4:3" will be displayed. Click the outer corners. 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.  The drawing shows the upper left icon ( ) is selected. 5. Use the SELECT button to select one icon () which points in the direction you wish to move the projected image frame. 6. Press the ENTER button. 40

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40
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.
4. Convenient Features
Projected image
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.
The drawing shows the up-
per right corner.
4. Press the 3D REFORM button twice.
The Cornerstone adjustment screen is displayed.
5. Use the SELECT

button to select one icon (
) which points in the direction you wish to move the
projected image frame.
6. Press the ENTER button.
Screen
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.
The drawing shows the upper left
icon (
) is selected.
TIP:
NP3150/NP2150/NP1150: When [WIDE SCREEN] is selected from
[SCREEN TYPE], lines that show “16:9” will be displayed. Click the
outer corners.
NP3151W: When [4:3 SCREEN] is selected from [SCREEN TYPE],
lines that show “4:3” will be displayed. Click the outer corners.