Samsung 710NT manual >> AUTO button, Menu, Description, Auto

Menu	Description
	When the 'AUTO' button is pressed, the Auto Adjustment screen appears
	as shown in the animated screen on the center.
	Auto adjustment allows the monitor to self-adjust to the incoming video
	signal. The values of fine, coarse and position are adjusted automatically.
	(Available in analog mode only)
AUTO	To make the automatic adjustment function sharper, execute the 'AUTO'
	function while the AUTO PATTERN is on.
	- If auto adjustment does not work properly, press AUTO button again to
	adjust picture with more accuracy.
	- If you change resolution in the control panel, auto function will be
	executed automatically.

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>> AUTO button