Use The Keyboard Shortcuts - Lenovo ThinkPad X12 Detachable Gen 1 User Manual

Pogo interface connector
Touchpad
TrackPoint buttons
* for selected models

Use the keyboard shortcuts

The special keys on the keyboard help you work more effectively.
https://support.lenovo.com/us/en/videos/vid500145
+
Invoke the special function printed as an icon on each key or standard function of
F1–F12 function keys.
FnLock indicator on: standard function
FnLock indicator off: special function
Enable / disable speakers
Decrease volume
Increase volume
Enable / disable microphones
Darken display
Brighten display
Manage external displays
Enable / disable wireless
Open / collapse notification center
Answer incoming calls
This function only works with some apps, such as Skype for Business 2016 and
Microsoft Teams 1.0.
By default, the function works with Skype for Business 2016. You can change the
default setting on Lenovo Vantage.
Fingerprint reader
TrackPoint pointing stick
.
Chapter 2 Get started with your computer
7