Nikon D780 DSLR Camera (Body Only) - Manual (Page 546)

500 Remote Flash Photography
3
C : Adjust flash settings.
• Choose the balance between
groups A and B.
• Adjust flash compensation for
groups A and B.
• Choose a flash control mode and
flash level for the units in group C:
- [
M ]: Choose the flash level
manually.
- [ –– ]: The units in group C do not
fire.
• Choose a channel for the master
flash. If the remote flash units
include an SB-500, you must choose
channel 3, but otherwise you can
choose any channel between 1 and
4.