The Fn (Function) Buttons - FujiFilm X-T2 Owner's Manual

The Fn (Function) Buttons

Assign roles to AE-L, AF-L, and function buttons
for quick access to selected features.
The default assignments are:
Fn1 button Fn1 button
Face/eye detection settings
Fn3 button Fn3 button
AF mode
9
Fn5 button Fn5 button
White balance
244
Fn2 button Fn2 button
Drive settings
Fn4 button Fn4 button
Film simulation
Fn6 button Fn6 button
Performance