Dell XPS 18 (1820, Early 2014) - Manual (Page 20)

20 │ Using Your Computer
Finger gestures Allows you to:
Rotate
Rotate clockwise — Keeping a finger or
thumb in place, move the other finger in
an arched direction to the right
Rotate counter-clockwise — Keeping a
finger or thumb in place, move the other
finger in an arched direction to the left
You can also rotate the active content
by moving both the fingers in a circular
motion.
Scroll
Pan – Move the focus on the selected
object when the entire object is not
visible.
Move two fingers in the desired direction
to pan the selected object.
Scroll Vertical – Scroll up or scroll down
on the active window.
Move a finger up or down to start
vertical scrolling.
Scroll Horizontal – Scroll right or left on
the active window.
Move a finger to the right or left to start
horizontal scrolling.