Nikon D7200 body - Manual (Page 311)

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f11 Assign remote (WR) Fn button (defaults to None)
Preview Choose the role played by the Fn button
on the optional wireless remote
controller.
FV lock
AE/AF lock
AE lock only
AE lock (Hold)
AF lock only
Flash off
+ NEF (RAW)
Live view
Same as camera Fn button
Same as camera Pv button
Same as camera
4 button
None