VIEWSONIC N3200w - Manual (Page 25)

Source Input: DVI-D
ViewSonic N3200w 24
Function Name Explanation
BRIGHTNESS Adjust the white level of the screen.
CONTRAST Adjust the black level of the screen.
SHARPNESS Adjust the sharpness level of the screen.
H POSITION Adjust the screen’s horizontal position.
V POSITION Adjust the screen’s vertical position.
AUTO Auto adjusts, the phase, clock, and position of the image.