Quick Reference Guide

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Decrease the brightness of the display.
OR
Mute the sound. Press the key combination
again to restore the sound. For more
information, see “Adjusting the volume” on
page 47.
Increase volume. For more information, see
“Adjusting the volume” on page 47.
Decrease volume. For more information,
see “Adjusting the volume” on page 47.
Press and hold
FN , then press
this system key...
To...