Wireless Flash Mode (Wl) - Sony HVL-F43AM Operating Instructions Manual

Wireless flash mode (WL)

This flash unit enables the following wireless flash photography.
[A] Wireless flash photography (HVL-F43AM: off-camera flash)
The camera's built-in flash is the controller (the flash that emits control light) and
the HVL-F43AM is the off-camera flash (the flash that is away from the camera).
[B] Wireless flash photography (HVL-F43AM: controller)
The HVL-F43AM is the controller and another flash is the off-camera flash.
[C] Multiple wireless flash photography with lighting ratio control
Using the HVL-F43AM as the controller, a camera that supports lighting ratio
control can group a number of off-camera flashes and control the lighting ratio.
Normal flash Wireless flash [A], [B]
Wireless flash [C]
(Lighting ratio control mode)
47