Canon 600EX User Manual

Page of 372
78
To perform optical transmission wireless shooting, set the master unit 
and slave unit with the following procedure.
Display <:> and <M>.
 
Press the <I> button to display 
<:> (optical transmission) and 
<M>.
Display <:> and <x>.
 
Operate and set the flash you want to 
set as the slave unit.
 
Press the <I> button to display 
<:> (optical transmission) and 
<x>.
To avoid interference with optical transmission wireless systems used 
by other photographers, you can change the transmission channel. Set 
the same channel for both the master unit and slave unit.
 1
Press function button 4.
 
To set the master unit, press function 
button 4 to display <O>.
 
To set the slave unit, press function 
button 4 to display <N>.
Wireless Settings
Master Unit Setting
Slave Unit Setting
Transmission Channel Setting
To perform normal flash shooting, press the <I> button to clear the 
wireless (master/slave) settings.
COP
Y