NEC NP3151W - Manual (Page 55)

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8. Press the ENTER button.
4. Convenient Features
10. Press the SELECT  or  button to highlight the [OK] and press the ENTER button.
This completes the Cornerstone correction.
Selecting [CANCEL] will return to the adjustment screen without saving changes (Step 3).
Selecting [RESET] will return to the factory default.
Selecting [UNDO] will exit without saving changes.
NOTE: To reset the 3D Reform correction setting values, press and hold the 3D REFORM button for a minimum of 2 seconds.
NOTE: During 3D Reform adjustment, [ASPECT RATIO] and [SCREEN] may not be available. Should this happen, first reset the
3D Reform data and then do each setting. Second repeat the 3D Reform adjustment. Changing [ASPECT RATIO] and/or [SCREEN]
setting can limit [3D REFORM] in its adjustable range.
screen
9. Use the SELECT  button to select another icon which points in the direction.
On the Cornerstone adjustment screen, select [eXit] or press the eXit button on the remote control.
the confirmation screen is displayed.
7. Use the SELECT  button to move the projected image frame as shown on the example.
screen
screen