NEC 40,000-Lumen 4K Laser Installation Projector - Manual (Page 109)

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5. Using On-Screen Menu
Options Function
15:9 The image is displayed in 15:9 aspect ratio
16:10 The image is displayed in 16:10 aspect ratio
NATIVE The projector displays the current image in its true resolution when the incoming computer signal has a
lower or higher resolution than the projector’s native resolution. (
→ page 3 )
When the incoming computer signal has a higher resolution than the projector’s native resolution, the
center of an image will be displayed.
LETTER BOX The image of a letterbox signal (16:9) is stretched equally in the horizontal and vertical directions to fit the
screen.
WIDE SCREEN The image of a squeeze signal(16:9) is stretched left and right in 16:9.
ZOOM The image of a squeeze signal (16:9) is stretched left and right in 4:3.
Parts of the displayed image are cropped at the left and right edges and therefore not visible.
FULL Project to full screen size.