Fujifilm X100F Manual Do Proprietário

The roles played by each of the function buttons can be selected by pressing and holding the button.  
The default options are shown below:

 Fn1 button

Fn2 button

Fn3 button

P 64)

P 8)

P

Fn4 button

Fn5 button

AEL/AFL button

P

P

P 80)

P 69)