Lenovo ThinkPad T450, Руководство пользователя

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Special keys
Your computer has several special keys to help you work easily and effectively.
Function keys and key combinations
The keyboard has several function keys, which consist of the Fn key 1 and the other function keys 2 .
• + Enables or disables the Fn Lock function.
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.
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 Fn and the
corresponding function key.
Note: Alternatively, you also can disable or enable the Fn lock function in the Keyboard Properties
window. See the Personalized keyboard section in “Accessibility information” on page 56.
• Mutes or unmutes the speakers. When the speakers are muted, the indicator on the F1 key is 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 F1, F2, or F3.
• Decreases the speaker volume.
• Increases the speaker volume.
• Mutes or unmutes the microphones. When the microphones are muted, the indicator on the F4
key is on.
• Darkens the display.
• Brightens the display.
• Switches the display output location between the computer display and an external monitor.
• Enables or disables the wireless features.
Chapter 2
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Using your computer
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