Acer Extensa 4220 TravelMate 4320/4720 and Extensa 4220/4620 Service Guide - Page 21

Touchpad The built-in touchpad is a pointing device that senses movement on its surface. This means the cursor responds as you move your finger across the surface of the touchpad. The central location on the palmrest provides optimum comfort and support. Touchpad Basics The following teaches you how to use the touchpad: K Move your finger across the touchpad (2) to move the cursor. K Press the left (1) and right (4) buttons located beneath the touchpad to perform selection and execution functions. These two buttons are similar to the left and right buttons on a mouse. Tapping on the touchpad is the same as clicking the left button. K Use the 4-way scroll (3) button (for selected models) or Acer BioProtect fingerprint reader (3) supporting Acer FingerNav 4-way control function (for selected models) to scroll up or down and move left or right a page. This button or fingerprint reader mimics your cursor pressing on the right scroll bar of Windows applications. Function Execute Select Drag Left Button (1) Click twice quickly. Right Button (4) Click once. Click and hold, then use finger to drag the cursor on the touchpad Main touchpad (2) Tap twice (at the same speed as double-clicking the mouse button). Tap once. Tap twice (at the same speed as double-clicking a mouse button) then hold finger to the touchpad on the second tap to drag the cursor. Center button (3) Chapter 1 11