Nikon D780 DSLR Camera (Body Only) - Manual (Page 525)

479 Remote Flash Photography
Radio AWL is available with SB-5000 flash
units. Attach a WR-R10 wireless remote
controller to the camera and establish a
wireless connection between the flash units
and the WR-R10.
Establishing a Wireless Connection
Before using radio AWL, establish a wireless connection
between the WR-R10 and the remote flash units.
1
C : Connect the WR-R10.
For more information, see the documentation provided with
the WR-R10.
2
C : Select [Radio AWL].
Select [ Radio AWL ] for [ Flash
control ] > [ Wireless flash options ]
in the photo shooting menu.
D The WR-R10 Wireless Remote Controller
Be sure to update the WR-R10 firmware to version 3.0 or later; for
information on firmware updates, see the Nikon website for your area.
Radio AWL