Lenovo V490u Notebook - Manual (Page 26)

To use the Fn function key combinations, press and hold the Fn key 1 ; then press one of the function
keys 2 . Release both keys.
The following is a brief introduction to the function key combinations.
Volume keys
To adjust the volume from your computer, do the following:
• Fn+F1: Decrease the speaker volume.
• Fn+F2: Increase the speaker volume.
• Fn+Esc: Mute the speaker.
Microphone mute (Fn+F3)
Mute the microphone.
Power conservation (Fn+F4)
Put your computer into sleep mode. To return to normal operation, press the Fn key only.
Wireless radio control key combination (Fn+F5)
Press this key combination to enable or disable the built-in wireless networking features.
Changing the camera settings (Fn+F6)
• On the Windows 7 operating system, press Fn+F6 to open the camera and audio settings window. The
camera preview is turned on. Change the camera and audio settings as desired.
• On the Windows 8 operating system, press Fn+F6 to launch the Lenovo Settings program. Then click
Camera or Audio to change the settings as desired.
Switching the display output location (Fn+F7)
Press this function key combination to switch between the computer display and an external monitor.
The following options will be displayed:
• PC screen only
• Duplicate
• Extend
• Second screen only
Note: To switch between the computer display and an external monitor, the Windows+P key combination
also is available.
Adjusting display brightness level (Fn+F8/F9)
You can temporarily change the computer display brightness level by pressing the two key combinations.
When you press Fn+F9, the computer display becomes brighter. When you press Fn+F8, the computer
display becomes dimmer.
Multimedia controls
• Fn+F10: Previous track or scene
• Fn+F11: Play or Pause
• Fn+F12: Next track or scene.
14 User Guide