VIEWSONIC PERFECTFLAT PF77 - Manual (Page 9)

Using the Monitor ViewSonic PF77 8
Menu Controls
Follow steps 1–5 on page 7 to access and adjust the controls on the Main
Menus shown below.
CONTRAST adjusts the difference between the image background
(black level) and the foreground (white level).
[
▼] Decreases contrast
[
▲ ] Increases contrast.
BRIGHTNESS adjusts the background black level of the screen
image.
[
▼] Decreases brightness
[
▲] Increases brightness.