Asus G73Jw - Manual (Page 58)

58 Notebook PC User Manual
Scrolling - Use one fingertip to slide up/down/left/right on the
touchpad to scroll a window up/down/left/right. If your display
window includes several sub-windows, move the pointer on that
pane before scrolling.
Scrolling vertically Scrolling
horizontally
Two-finger zooming in/out - Moving two fingertips apart or
together on the touchpad to zoom in or zoom out. This is convenient
when viewing photos or reading documents.
Zooming in Zoooming out