Nikon D500 - Manual (Page 244)

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4
f: Group the remote flash units.
Choose a group (A, B, or C).
Optical AWL
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.
Radio AWL
The master flash can control up to 18 flash units in any
combination.
5
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, take a test shot to
confirm that all flash units are functioning. You can also test-
fire radio-controlled flash units by pressing the
i button in
the flash info display ( 0 222) and selecting M Test flash.
6
C/f: Frame the photograph, focus, and shoot.
In radio AWL, the flash-ready indicator
will light in the camera viewfinder
(
0 196) or flash information display
when all flash units are ready. The
status of radio-controlled units can
also be viewed by selecting Flash
control > Radio remote flash info in
the photo shooting menu.