ViewSonic ViewPanel VP180m User Manual page 11

You can move between the menu items by rotating the NAVI button.
automatically.
(black level) and the foreground (white level).
computer connected to the VP180m.
10 ViewSonic
sizes and centers the screen image
adjusts the difference between the image background
adjusts background black level of the screen image.
toggles between inputs if you have more than one
VP180m