ViewSonic P220f User Manual page 12

Control Explanation (Continued)
V. Linear
distortion at the center of the screen image.
NOTE: Vertical Linearity Center is an advanced control and
should be used for setup and calibration only.
V. Linear Sym
distortion (squeezing or stretching) images between the top
and bottom of the screen image.
NOTE: Vertical Linearity Symmetry is an advanced control
and should be used for setup and calibration only.
Top Hooking
image.
Bottom Hooking
screen image.
Purity
example, if one area of a color appears darker than another
area, first use the degauss feature. If color is still uneven,
use the purity control.
Top Left (Purity)
screen.
Top Right (Purity)
of screen.
Bottom Left (Purity)
corner of screen.
Bottom Right (Purity)
corner of screen.
Data Recall
settings if the product is operating in a Preset Timing Modes
(see the table at the bottom of page 11).
Exception: This control does not affect changes made with
the User Color control.
(Vertical Linearity Center) adjusts the vertical
(Vertical Linearity Symmetry) minimizes the
straightens the top corners of the screen
straightens the bottom corners of the
adjusts the uneven color of the overall image. For
adjusts uneven color at top left corner of
adjusts uneven color at top right corner
adjusts uneven color at bottom left
adjusts uneven color at bottom right
returns adjustments to the original factory
P220f
ViewSonic 11