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Fully Automatic Wireless Flash
This method has all the Speedlites fire at the same flash output with E-TTL
II
autoflash controlling the total flash output.
ETTL
L
li!iI
Zoom
2Ymm
1m
Zoom
2"':
mm
Set the camera-attached 580EX as
the master unit.
Set the wireless selector to <MASTER>.
Set the slave 580EX Speedlites(s)
as the slave unit(s).
Set the wireless selector to <SLAVE>.
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).
34
Position the camera and Speed
lites
as desired.
Position the Speedlites within the range
shown on the next page.
Set the master unit's flash mode to
<ETTl>.
The slave unit(s) will also be automatically
set to
<ETTL>.
Check that the flash is ready.
When the slave unit
is
ready to fire, the AF-
assist beam will blink once each second.