Lenovo B4400 User Manual page 8

Chapter 1. Getting to know your computer
The following describes the features of each function key.
Fn + Esc:
Fn + F1:
Fn + F2:
Fn + F3:
Fn + F5:
Fn + F6:
Fn + F8:
Fn + F9:
Fn + F10:
Fn + F11:
Fn + F12:
Fn + PrtSc:
Fn + Home:
Fn + End:
Fn + PgUp:
Fn + PgDn:
Fn + ↑/↓:
Fn + →/←:
4
Windows 7: Opens the camera and audio settings
window. The camera preview is turned on, and
you can change the camera and audio settings as
desired.
Windows 8.1: Enables/disables the camera.
Enter sleep mode.
Turns on/off the backlight of the display.
Switches between the computer display and an
external monitor. Works in the same way as the
Windows key + P combination.
Open the interface for integrated wireless devices
settings (on/off).
Enables/disables the touch pad and the touch pad
buttons.
Enables/disables the numeric keypad.
Starts/pauses playback of Windows Media Player.
Stops playback of Windows Media Player.
Skips to the previous track.
Skips to the next track.
Activates the system request.
Activates the pause function.
Activates the break function.
Enables/disables the scroll lock.
Activates the insert function.
Increases/decreases display brightness.
Increases/decreases sound volume.