Acer Aspire 4220, Service Manual

Page: 21 / 106

Chapter 1 15
NOTE: When using the touchpad, keep it - and your fingers - dry and clean. The touchpad is sensitive to finger
movements; hence, the lighter the touch, the better the response. Tapping too hard will not increase the
touchpad’s responsiveness.
Function Left Button (1) Right Button (4) Main touchpad (2) Fingerprinter (3)
Execute Click twice quickly Tap twice (at the
same speed as
double-clicking the
mouse button)
Select Click once Tap once
Drag Click and hold, then
use finger on the
touchpad to drag
the cursor. Tap twice (at the
same speed as
double-clicking a
mouse button); rest
your finger on the
touchpad on the
second tap and
drag the cursor.
Access context
menu Click once
Log in with
authorized
fingerprint Swipe your finger
over the
fingerprinter.