Canon 550 EX User Manual
Page 102
Setting the Master/Slave Channel
Press the <
> button.
• The
icon and channel No. will be
displayed.
To set the slave unit’s channel No.,
press the <
> button and
select .
• Pressing the <
> button changes
the selection in the following loop:
Press the <
> or <
> button to set
the same channel No. (1, 2, 3, or 4)
as the master unit’s.
Press the <
> button.
• The
icon and channel No. will be
displayed.
102
4
5
6
If the master unit and slave unit(s) are not set to the same channel No., the master unit
will be unable to trigger the slave unit’s flash. Make sure the channel No. is the same.
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