NEC NP-VE281 User Manual

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5. Using On-Screen Menu
 Menu Descriptions & Functions [SETUP]
[GENERAL]
Correcting Vertical Keystone Distortion Manually [KEYSTONE]
You can correct vertical distortion manually. (
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Using the Wall Color Correction [WALL COLOR]
This function allows for quick adaptive color correction in applications where the screen material is not white.
NOTE:
•  Selecting color options other than [OFF] will reduce brightness.
•  When the 3D mode is enabled, the [WALL COLOR] item is not available.