Nikon Z 9 Reference Manual page 462

4
f : Choose a channel for the remote flash units.
Set the remote flash units to the channel selected for [Channel] in
Step 3.
5
f : Group the remote flash units.
•
Choose a group (A, B, or C).
•
There is no limit on the number of remote flash units that may be
used. The practical maximum, however, is three per group, as the
light emitted by the remote flash units will interfere with
performance if more flash units are used.
6
C / f : Compose the shot and arrange the flash units.
•
See the documentation provided with the flash units for more
information.
•
Test-fire the units and confirm that they are functioning normally.
To test-fire the units, use the [Test flash] item in the i menu,
which can be added to the menu using Custom Setting f1
[Customize i menu].
7
C / f : Take the photograph after confirming that the flash-ready
lights for all flash units are lit.
Optical AWL
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