Nikon D780 DSLR Camera (Body Only) - Manual (Page 537)

491 Remote Flash Photography
3
C : Adjust flash settings.
• Choose the flash level ([ Output ]),
the maximum number of times the
flash units fire ([
Times ]), and the
number of times the flash units fire
per second ([
Frequency ]).
• Enable or disable selected groups.
Select [
ON ] to enable the selected
group, [ –– ] to disable the selected
group.
4
f : Group the remote flash units.
• Choose a group (A–F) for each of the remote flash units.
• The master flash can control up to 18 flash units in any
combination.