Lenovo ThinkPad L450, Руководство пользователя

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The keyboard has several function keys, which consist of the Fn key 1 and the other function keys 2 .
You can configure the Fn key and function keys in the Keyboard Properties window by doing the following:
1. Go to Control Panel, then change the view of Control Panel from Category to Large icons or Small icons.
2. Click Keyboard . In the Keyboard Properties window, click the Fn and function keys or ThinkPad
F1–F12 keys tab.
3. Select the options of your preference.
• + Enables or disables the Fn Lock function.
When the Fn Lock function is enabled: The Fn Lock indicator is on. To input F1–F12, press the function
keys directly. To initiate the special function printed as an icon on each key, press the Fn key and the
corresponding function key.
When the Fn Lock function is disabled: The Fn Lock indicator is off. To initiate the special function
printed as an icon on each key, press the function keys directly. To input F1–F12, press the Fn key
and the corresponding function key.
• : Mutes or unmutes the speakers. When the speakers are muted, the speaker-mute indicator turns
on.
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 the speaker mute key , the volume-down key , or
volume-up key .
• : Decreases the speaker volume.
• : Increases the speaker volume.
• : Mutes or unmutes the microphones. When the microphones are muted, the microphone-mute
indicator turns on.
• : Darkens the display.
• : Brightens the display.
You can temporarily change the computer display brightness by pressing the 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.
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User Guide