Instruction Manual

2. Setting the 550EX as a Slave Unit

Set the wireless selector 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 Q mm.

[=1 You can change the slave unit’s flash head zoom setting manually with the ZOOM

L|i button.