Choose the role played by the Fn button on optional wireless remote controllers equipped with an Fn button. See Custom Setting f1 (Custom control assignment, 0 f1: Custom Control Assignment) for more information.
| r | FV lock | 
| B | AE/AF lock | 
| C | AE lock only | 
| D | AE lock (Reset on release) | 
| F | AF lock only | 
| A | AF-ON | 
| $ | Modeling flash | 
| h | Flash off | 
| e | + NEF (RAW) | 
| a | Live view * | 
| x | Same as camera Fn1 button | 
| 0 | Same as camera Fn2 button | 
| z | Same as camera A button | 
| None | 
Performs the same function as the camera a button.
