Acer Extensa 5420G TravelMate 5520G Service Guide - Page 22

Function Scroll Left Button (1) Right Button (4) Main touchpad (2) Center button (3) Click and hold to move up/down/left/right. NOTE: When using the touchpad, keep it - and your fingers - dry and clean. The touchpad is sensitive to finger movement; hence, the lighter the touch, the better the response. Tapping too hard will not increase the touchpad's responsiveness. NOTE: By default, vertical and horizontal scrolling is enabled on your touchpad. It can be disabled under Mouse settings in Windows Control Panel. 12 Chapter 1