Sony PCG-F640 - Manual (Page 39)

Using the Touchpad
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Right-click Press the right button once. In many applications, this
action displays a shortcut menu of context-sensitive
choices.
Drag Slide one finger while pressing the left button.
Scroll Move your finger along the right edge of the touchpad to
scroll vertically. Move your finger along the bottom to
scroll horizontally. (The scroll function is available only
with applications that support a touchpad scroll feature.)
✍
See Mouse Properties for information on touchpad features, such as clicking both
buttons simultaneously, adjusting touchpad speed, and Easy Launcher functions. To
access Mouse Properties, click the Start button, point to Settings, point to Control
Panel, and then click the Mouse icon in the Control Panel.
Action Description