3. Setting the Master/Slave Channel

To prevent your master unit from firing another photographer’s slave units, four channels are provided to differentiate your slave units from unrelated ones. The master unit and slave unit(s) in the same wireless flash system must be set to the same channel No.

1 To set the master unit’s channel No.,

press the < > button and

select .

• Pressing the < > button changes the selection in the following loop:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Off)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Press the <

 

 

 

 

> or <

 

> button to set

2 the channel No. (1, 2, 3, or 4).

3 Press the <

 

 

 

 

 

 

 

> button.

 

• The

 

 

icon and channel No. will be

displayed.

4 To set the slave unit’s channel No.,

press the < > button and

select .

• Pressing the < > button changes the selection in the following loop:

(Off)

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Image 54
Canon 550EX manual Setting the Master/Slave Channel, Button to set, Channel No , 2, 3, or, Press Button