Nikon D500 - Manual (Page 145)

145 Menu Guide
Choose the role played by the Fn button on optional wireless
remote controllers equipped with an Fn button. See the “Press”
section for Custom Setting f1 (Custom control assignment) on
page 97 for more information.
* Performs the same function as the camera a button.
Select Enable to disable the wireless features of Eye-Fi cards and
Bluetooth and Wi-Fi connections to smart devices. Connections
to other devices using a wireless transmitter can only be
disabled by removing the transmitter from the camera.
A
The WR-R10 Wireless Remote Controller
The WR-R10 connects to the camera using a WR-A10 adapter. Be sure
the firmware for the WR-R10 has been updated to the latest version.
For information on firmware updates, see the Nikon website for your
area.
Assign Remote (WR) Fn Button
G button
➜ B setup menu
Airplane Mode
G button
➜ B setup menu
q Preview
r FV lock
B AE/AF lock
C AE lock only
D AE lock (Reset on release)
F AF lock only
A AF-ON
h IDisable/enable
4 + NEF (RAW)
a Live view *
None