Canon 550ex - Setting the 550 EX as a Slave Unit

2.
Setting
the
550EX
as a
Slave
Unit
@'l'SLAVE
MASTER
Set the
wireless
seiector
to
SLAVE
on
the 550EX
to be
used as
a slave unit.
A
550EX
set
in
this
way is
called a
"slave
unit."
.
The
slave
unit's
flash
head zoom
setting
is
set
automatically
to
Ef
PY".
i