HOw to set canon 580 as a slave

1 Set the camera-attached 580EX as
the master unit. Set the wireless selector to .

2 Set the slave 580EX Speedlites as the slave unit. Set the wireless selector to .

3 Check the communication channel.
If the master unit and slave unit(s) are set
to a different channel, set them all to the
same channel (p.37).

4 Position the camera and Speed l i t es
as desired.
Position the Speed lites within the range
shown on the next page.

5 Set the master unit's flash mode to
The slave unit(s) will also be automatically
set to .

6 Check that the flash is ready.
When the slave unit is ready to fire, the AF-
assist beam will blink once each second.

7 Check the flash operation.
Press the master unit's test firing button.
The slave unit will fire. If the flash does not
fire, adjust the slave unit's angle toward the
master unit and distance from the master
unit.

8 Set the camera and shoot.