Basic Use; About Your Device - Nokia N900 User Manual

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.
Touch screen backlight
Turn touch screen backlight on
The touch screen backlight is turned off after a period of
inactivity. To turn the screen 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 on a blank space on the desktop. All changes and
selections will be cancelled.

Basic use

About your device

Antenna locations
Your device may have internal and external antennas. Avoid
touching the antenna area unnecessarily while the antenna
is transmitting or receiving. Contact with antennas affects the
communication quality and may cause a higher power level
during operation and may reduce the battery life.
Basic use 19