a: Fully Automatic Wireless Flash Shooting
This section describes basic fully automatic wireless shooting when using a 600EX-RT/600EX attached to the camera (master) and a 600EX-RT/ 600EX wirelessly controlled (slave).
Autoflash Shooting Using One Slave Unit
1 Set the master unit.
Set the 600EX-RT/600EX attached to the camera as the master unit (p.78). You can also use a camera equipped with a master function or a Speedlite Transmitter ST-E2 (sold separately) as the master unit.
2 Set the slave unit.
Set the 600EX-RT/600EX to be controlled wirelessly as the slave unit (p.78).
You can also use other EX Speedlites that are equipped with a slave function.
A, B or C can be set as the firing group.