Setting The 550Ex As A Slave Unit - Canon 550ex Full Manual

2. Setting the 550EX as a Slave Unit
@ ' l ' S L A V E
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".
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