Lenovo ThinkPad X280 User Manual page 25

1
Caps Lock indicator
When this indicator is on, you can type uppercase letters by directly pressing the letter keys.
2 Fn Lock indicator
This indicator shows the status of Fn Lock function. For more information, see "Using the special keys" on
page 18.
3 Speaker-mute indicator
When this indicator is on, the speakers are muted.
4 Microphone-mute indicator
When this indicator is on, the microphones are muted.
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Chapter 1 Product overview
7