Dell P2213, P1913S manual Aspect Ratio, Horizontal Position, Vertical Position, Sharpness, Phase

	NOTE: Aspect Ratio is not available in P1913S.
Aspect Ratio	Adjust the image ratio to Wide 16:10, 5:4 or 4:3.
	NOTE: Aspect Ratio is not available in P1913S.
Horizontal Position
	Use	or	to adjust the image left or right. Minimum is '0' (-). Maximum is '100' (+).
Vertical Position
	Use	or	to adjust the image up or down. Minimum is '0' (-). Maximum is '100' (+).

NOTE: Horizontal Position and Vertical Position adjustments are only available for "VGA" input.

Sharpness
	This feature can make the image look sharper or softer. Use	or	to adjust the sharpness from '0' to '100'.
Pixel Clock	The Phase and Pixel Clock adjustments allow you to adjust your monitor to your preference.

Use or to adjust for best image quality.

Phase If satisfactory results are not obtained using the Phase adjustment, use the Pixel Clock (coarse) adjustment and then use Phase (fine), again.