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ViewSonic E90f/E90fb 7
Menu Options
Control Explanation
Contrast
adjusts the difference between the image background
(black level) and the foreground (white level).
Brightness
adjusts the background black level of the screen
image.
Zoom
expands and contracts the entire screen image.
Horizontal Size
adjusts width of the screen image.
Horizontal Position
moves the screen image left or right.
Vertical Size
adjusts the height of the screen image.
Vertical Position
moves the screen image up or down.
Pincushion
curves the vertical sides of the screen image.
Pin Balance
curves the vertical edges of the screen image to the
left or right.
Trapezoid
adjusts the top and bottom of the screen image until
they have equal length.
Parallelogram
slants the vertical edges of the screen image until
they are parallel.
Tilt
rotates the entire screen image.