Canon Speedlite 600EX-RT - Manual (Page 59)

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This section describes basic fully
automatic wireless shooting when using
a 600EX-RT attached to the camera
(master) and a 600EX-RT wirelessly
controlled (slave).
1
Set the master unit.
Set the 600EX-RT attached to the
camera as the master unit (p.52).
You can also use a Speedlite
Transmitter ST-E3-RT (sold
separately) as the master unit.
2
Set the slave unit.
Set the 600EX-RT to be controlled
wirelessly as the slave unit (p.52).
Set A, B or C as the firing group. The
flash will not fire if it is set to D or E.
3
Check the channel and ID.
If the channels and IDs of the master
unit and slave unit are different, set
them to the same numbers (p.53, 54).
4
Position the camera and the
flash.
Position them within the range shown
on page 48.
a: Fully Automatic Wireless Flash Shooting
Autoflash Shooting Using One Slave Unit
COP
Y