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8
Operation
ViewSonic EF70
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Press button [2] to toggle between all controls that appear in
pairs on the menu.
CONTRAST adjusts foreground white level of screen image.
[▼] decreases contrast, [▲] increases contrast.
BRIGHTNESS adjusts background black level of screen image.
[▼] decreases brightness, [▲] increases brightness.
HORIZONTAL SIZE adjusts the width of screen image.
[▼] decreases width of screen image, [▲] increases width of image.
HORIZONTAL POSITION moves screen image left or right.
[▼] moves screen image to left, [▲] moves screen image to right.
VERTICAL SIZE adjusts height of screen image.
[▼] decreases height of screen image, [▲] increases height of image.
VERTICAL POSITION moves screen image up or down.
[▼] moves screen image down, [▲] moves screen image up.
PINCUSHION adjusts straightness of screen image's vertical
edges.
[▼] curves vertical edges inward, [▲] curves vertical edges
outward.
PINBALANCE straightens vertical sides of screen image by
curving them to the right or to the left.
[▼] curves vertical edges to the left, [▲] curves vertical edges to the right.
TRAPEZOID makes vertical edges of screen image parallel.
[▼] makes screen image narrower at top and wider at bottom.
[▲] makes screen image wider at top and narrower at bottom.
PARALLELOGRAM slants vertical edges of the screen to the left
or right.
[▼] slants vertical edges to left, [▲] slants vertical edges to right.
To exit a screen and save changes, press button [1].