Nikon Z 7 Reference Manual page 401

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.
4
f: Set the remote flash units to the same channel as the
master flash.
Set the remote flash units to the channel selected in Step 3.
5
f: Group the remote flash units.
Choose a group (A, B, or C). Although there is no limit on the
number of remote flash units that may be used, the practical
maximum is three per group. With more than this number,
the light emitted by the remote flash units will interfere with
performance.
6
C/f: Compose the shot.
Compose the shot and arrange the flash units. See the
documentation provided with the flash units for more
information. After arranging the units, press the test buttons
on the flash units to test-fire the flash and confirm that the
units are functioning normally. Flash units can also be test-
fired by pressing the i button in the flash info display (0 384)
and selecting c Test flash.
Remote Flash Photography
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