Canon 600EX-RT User Manual

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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
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