NEC UM361X - 4-Point Corner Keystone Correction

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3. Convenient Features
❺ Using 4-Point Corner to Correct Keystone Distortion
[CORNERSTONE]
Usethe[CORNERSTONE]and[PINCUSHION]features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theKEYSTONEbuttonwithnomenudisplayed.
The KEYSTONE screen will be displayed.
• PresstheKEYSTONEbuttonwhenusingtheremotecontrol.
• SeepageforPINCUSHION.
2. Press the ▼buttontoselect[CORNERSTONE]andpresstheENTERbutton.
The drawing shows the upper left icon ( ) is selected.
The CORNERSTONE screen will be displayed.
3. Project an image so that the screen is smaller than the area of the raster.
4. 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.
TIP:Ifyouareadjusting[KEYSTONEHORIZONTAL],[KEYSTONEVERTICAL],[PINCUSHIONLEFT/RIGHT],or[PINCUSHION
TOP/BOTTOM],the[CORNERSTONE]itemwillnotbeavailable.Ifthishappens,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.