Canon EOS60D18135ISKIT User Manual (en)

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143
Using Wireless FlashN
Multiple Speedlite slave units can be treated as one flash unit or 
separated into slave groups whose flash ratio can be set.
The basic settings are shown below. By changing the [Firing group
setting, you can shoot with various wireless flash setups with multiple 
Speedlites.
Basic settings:
Flash mode
: E-TTL II
E-TTL II meter. : Evaluative
Wireless func. : 
0
Channel
(Same as slave units)
[1All] Using multiple slave Speedlites as one flash unit
Convenient when you need a large flash 
output. All the slave Speedlites will fire at 
the same output and controlled to obtain 
a standard exposure.
No matter what the slave ID is (A, B, or 
C), all the slave units will fire as one 
group.
Set [Firing group] to [1All], then 
shoot.
Fully-automatic Shooting with Multiple External Speedlites
COP
Y