Logitech K800 User Manual page 7

Keyboard features: F-key usage
User-friendly enhanced F-keys let you launch applications easily. To use
the enhanced functions (yellow icons), first press and hold the
second, press the F-key you want to use.
Tip In the software settings, you can invert the FN mode if you prefer to access directly
the enhanced functions without having to press the FN key.*
* Requires SetPoint Software (available for download at www.logitech.com/downloads ).
2nd - Press an F-key
Getting started with
key;
FN
1st - Press and hold
the FN key
OFF ON
English 7