Lenovo IDEAPAD U330 User Manual page 25

Chapter 2. Using Your Computer
The following describes the features of each function key.
Fn + Esc: Turn on/off the integrated camera.
Fn + F1: Put your computer in sleep mode.
Fn + F2: Turn on/off the LCD screen.
Fn + F3: Shift to other connected display devices.
Fn + F4: Switch between wide screen and normal mode.
Fn + F5: Enable/disable the built-in wireless device feature.
Fn + F8: Enable/disable the touch pad.
Fn + F9: Play/pause Media Player playback.
Fn + F10: Stop Media Player playback.
Fn + F11: Skip to the previous track.
Fn + F12: Skip to the next track.
Fn + Insert/NmLk: Enable/disable the Numeric keypad.
Fn + Delete/ScrLk: Enable/disable Scroll Lock.
Fn + PrtSc/SysRq: System request.
Fn + up/down arrow: Increase/decrease display brightness.
Fn + right/left arrow: Increase/decrease computer volume.
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