Controlling Remote Flash Units; Using Optical Awl With The Sb-500 - Nikon Z fc N2016 Reference Manual

Controlling remote flash units

Remote flash units can be controlled via optical signals from an optional
flash unit mounted on the camera accessory shoe and functioning as a
master flash (optical AWL). For information on compatible flash units,
see "Features available with CLS-compatible flash units" (0543).
･ If the flash unit in question is an SB-500, settings can be adjusted
from the camera. For more information, see "Using optical AWL with
the SB-500" (0509). See the documentation provided with the flash
units for more information.
･ Settings for other flash units must be adjusted using flash unit
controls. For more information, see the documentation provided with
the flash unit in question.

Using optical AWL with the SB-500

When an optional flash unit SB-500 is mounted on the accessory shoe of
the camera, [Wireless flash options] is displayed in [Flash control] in
the photo shooting menu. Group flash can be performed by selecting
[Optical AWL] in [Wireless flash options].
Controlling remote flash units
509