Nikon D780 DSLR Camera (Body Only) - Manual (Page 553)

507 Remote Flash Photography
The camera can display flash info for SB-5000 and SB-500 flash
units mounted on the camera accessory shoe and configured as
a master flash for optical AWL, as well as for remote flash units
controlled via radio AWL using a WR-R10. To view flash info
during viewfinder photography, press the
R button to activate
the information display ( 0 68) and then press the R button
again.
Flash Control Mode Displays
❚❚
Group Flash
Flash Info for Remote Units
5
3
6
4
2 1
1 Flash-ready indicator 1
2 Remote flash control ( 0 566)
FP indicator ( 0 618)
3 Remote flash control mode 2
( 0 566)
4 Group flash control mode 3
Group flash mode ( 0 484,
496)
Flash compensation/flash
level (output;
0 484, 496)
5 Channel 2 ( 0 479, 496)
6 Link mode 4 ( 0 689)