Setting the slave id – Canon 550EX User Manual

Page 56

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4. Setting the Slave ID

With multiple slave units, a slave ID can be assigned to distinguish a slave

unit as being the main flash or fill flash. A flash ratio can thereby be set. Three
slave IDs are available: A, B, and C,

1

To set a slave unit’s slave ID, press

the <SEL/SET> button and select

B1Q3.

Pressing the <SEL/SET > button changes

the selection in the following loop:

'ВЕИШ"

(Off)

2

3

Press the <+> or < —> button to set

the slave ID (A. B, or C).

'

Press the <SEL/SET > button.

icon and slave ID will be

The
displayed.

If you want all the slave units to fire at the same flash output, you need not assign a slave

MM ID.

56

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