Logitech MK700 Guide De L'utilisateur page 9

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.
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2nd - Press an F-key
User's Guide
key;
1st - Press and
hold the FN key
English 9