Lenovo 33472YU, S230U manual Special keys, Description

Chapter 6. Special keys

The following table describes the functions of the special keys on the computer keyboard.

Table 8. Special keys

Special key	Description
Esc	Press this key to open the ThinkPad Keyboard Properties window where you can toggle the
	F1-F12 key functionality.
F1	Press this key to mute or unmute the speakers.
	Note: If you mute the sound and turn off your computer, the sound will remain muted when
	you turn on your computer again. To turn on the sound, press F2 or F3.
F2	Press this key to decrease the speaker volume.
F3	Press this key to increase the speaker volume.
F4	Press this key to mute or unmute all of the recording devices.
F5	You can temporarily change the computer display brightness by pressing these two keys.
	To change the default brightness level, right-click the battery status icon in the Windows
	notification area, then click Adjust screen brightness and make changes as desired.
F6
F7	Press this key to switch the display output location between the computer display and an
	external monitor.
F8	Press this key to enable or disable the Airplane mode.
	The Airplane mode disables the wireless features of your computer to comply with airline
	regulations. When you press this key, a list of wireless connections is displayed. You can
	quickly turn on or turn off all the wireless network connections.
F9	Press this key to open the Settings charm.
F10	Press this key to open the Search charm.

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