Main Menu Controls
Adjust the menu items shown below 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 the background black level of the screen
image.
Zoom
expands and contracts the entire screen image.
Horizontal Position
moves the 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 image to
the left or right.
Trapezoid
adjusts the top and bottom of the screen image
until they have equal length.
ViewSonic E71f 8
Parallelogram slants the vertical edges of the screen image until
they are parallel.
Rotation rotates the entire screen image.