FujiFilm GFX 50S - Manual (Page 221)

203
P
eripherals and Optional A
c
c
essories
10
External Flash Units
MASTER(OPTICAL)
The options will be displayed if the unit is currently functioning
as master fl ash for FUJIFILM optical wireless remote fl ash control.
MODE
MASTER(OPTICAL)
ADJUST END
The master and remote units can be
placed in up to three groups (A, B, and C)
and fl ash mode and fl ash level adjusted
separately for each group. Four chan-
nels are available for communication be-
tween the units; separate channels can
be used for diff erent fl ash systems or to
prevent interference when multiple sys-
tems are operating in close proximity.
B B
A
C