Sony PCG-FX390K - Manual (Page 19)

Using the Touchpad
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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, go to Start > Settings > Control Panel > and click
the Mouse icon.
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.)
Action Description