Using The Touchpad - Asus TF300T-B1-BL User Manual

Touchpad and buttons
7
The touchpad with its buttons is a pointing device that provides the
same functions as a desktop mouse.
Use the hot key

Using the Touchpad

A
Slide your finger across the touchpad to move the pointer. You can also
hold the left button and slide your finger to drag the selected item.
B
Fn
Single tap to select or launch an item.
C
Slide two fingers to scroll up/ down or move up/down/left/right.
78
to disable the touchpad.
ASUS Transformer Pad Manual