ViewSonic VA500 User Manual page 10

Control Explanation
LCD Adjust Sub-menu
Horizontal Size
Horizontal Position
Vertical Position
Fine Tune
Auto Sync
signal to eliminate noise and distortion.
adjusts the width of the screen image.
moves the screen image left or right.
moves the screen image up or down.
sharpens the focus by aligning the illuminated pixels.
automatically centers, sizes and fine tunes the video
ViewSonic VA550
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