Logitech K840 MECHANICAL Guide D'installation page 4

ENHANCED FUNCTIONS
+
Fn + F1 Fn + F2
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The K840 Mechanical has a number of enhanced functions
to get even more out of your new keyboard. Grey labels
on F-keys indicate the second productivity function when
pressed in combination with Fn key
Reassigning of keys on Logitech Options
To enhance your experience of K840 Mechanical,
download Logitech Options on your Windows system.
You can further customize F1, F2, F3, F4 to your needs
by reassigning shortcuts to these keys. You may roll back
the changes to default at any time.
Fn + F3 Fn + F4
Search
Calculator
system
Open Search
Calculator
browser
Fn + F5 Fn + F6 Fn + F7
Media Previous
Play/pause Next track
player track
Media Previous
Play/pause Next track
player track
4 English
Fn + F8 Fn + F9 Fn + F10
Volume
Mute
down
Volume
Mute
down
Fn + F11 Fn + F12
Windows
Volume up
key lock
Windows
Volume up
key lock