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8 ViewSonic PF790
Main Menu Controls
The menu items shown below can be adjusted by using the up
and down
buttons.
Control
Explanation
Contrast
adjusts the difference between the image
background (black level) and the foreground (white level).
Brightness
adjusts background black level of the screen
image.
Horizontal Position
moves
screen image left or right.
Horizontal Size
adjusts width of the screen image.
Vertical Position
moves the screen image up or down.
Vertical Size
adjusts the height of the screen image.
Pincushion
curves the vertical sides of the screen image.
Pin Balance
curves the vertical edges of the screen to the
left or right.
Trapezoid
makes the vertical edges of the screen image
parallel.
Parallel
slants the vertical edges of the screen image.
Zoom
expands and contracts the entire screen image.
Tilt
rotates the entire screen image.