Canon 600EX User Manual

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Using a Canon Speedlite (master/slave) with a radio transmission 
wireless shooting function makes it easy to shoot with advanced 
wireless multiple flash lighting, in the same way as normal E-TTL II/
E-TTL autoflash shooting.
The system is designed so that the settings of the 600EX-RT attached 
to the camera (master) are automatically reflected on the 600EX-RT 
that is wirelessly controlled (slave). Therefore, you do not need to 
operate the slave unit while shooting.
The basic relative positions and operating range are as shown in the 
figure. You can then perform wireless E-TTL II/E-TTL autoflash 
shooting just by setting the master unit to <a>.
 
Autoflash Shooting Using One Slave Unit 
(p.57)
' Radio Transmission Wireless Flash Shooting
Positioning and Operation Range
(Example of wireless flash shooting)
M
x
Transmission 
distance 
Approx. 30 m 
(98.4 ft.)
 
Position the slave unit using the supplied mini stand (p.11).
 
Before shooting, perform a test flash (p.16) and test shooting.
 
The transmission distance may be shorter depending on the conditions 
such as the positioning of slave units, the surrounding environment and 
weather conditions.
COP
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