Lenovo ThinkPad X390, Hardware Maintenance Manual, Page: 51 / 108

Increase the speaker volume.
Mute or unmute the microphones.
When the key indicator is on, the microphones are muted.
Darken the computer display.
Brighten the computer display.
Manage external displays.
Enable or disable the built-in wireless features.
Open the Settings window.
Enable or disable the built-in Bluetooth features.
Open a keyboard setting page.
Invoke the function defined by yourself:
1. Open the Start menu and click Lenovo Vantage .
2. Click Hardware Settings and then click Input .
3. Locate the Keyboard: User-defined Key section and follow the on-screen
instructions to complete the setting.
On this setting page, you can also define different functions for the key
combinations with F12, such as Shift+F12, Alt+F12, or Ctrl+F12.
Put your computer to sleep mode.
Open the Snipping Tool program.
Fn+Spacebar
Switch between different keyboard backlight statuses if your computer supports
keyboard backlight.
Fn+B
Equal the Break key on a conventional external keyboard.
Fn+K
Equal the ScrLK or Scroll Lock key on a conventional external keyboard.
Fn+P
Equal the Pause key on a conventional external keyboard.
Fn+S
Equal the SysRq key on a conventional external keyboard.
Fn+4
Put the computer to sleep mode. To wake up the computer, press Fn or the power
button.
Fn+Left arrow key Equal the Home key.
Fn+Right arrow key Equal the End key.
Chapter 5
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Use the keyboard shortcuts
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