Nokia N900 User Manual page 27

Swipe
Swiping can be used, for example, to switch between images
in the Photos application. To swipe, slide your finger quickly
left or right on the screen.
Example: When viewing an image, to view the next or
previous image, swipe the image left or right, respectively.
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Touch screen backlight
Turn the touch screen backlight on
The touch screen backlight is turned off after a period of
inactivity. To turn the backlight on, tap the screen. If the
screen and keys are locked, use the lock switch to unlock
them.
Touch screen actions in applications
Open the application menu
Tap the title bar of the currently open application.
Close a dialog
Tap outside the dialog. All changes and selections are
cancelled.
Introduction 27