Samsung NP540U3C-A01US manual Touch Operation, Zooms in or out of the target, Your mouse

Using a Touch Screen (Touch screen models only)

Chapter 2	43
Using Windows 8

Touch Operation Function Description

Rotating with more than 2 fingers Rotates the selected target.

Spreading 2 fingers widely or	Zooms in or out of the target.
bringing them towards each other
Touching and holding for a while	Provides the same function as right-clicking your mouse button.
	Displays the additional options which can be set for the selected
(Right-clicking your mouse)
	target or more detailed information.
Touching and dragging 2 fingers	Moves up/down, left/right. Provides the same function as scrolling
up/down, left/right
	your mouse.
(Scrolling)