Canon EOS7DBODY User Manual (en)

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124
Using Wireless FlashN
[1 (A:B)] Multiple slave units in multiple groups 
Divide the slave units into 
groups A and B, and change 
the flash ratio to obtain the 
desired lighting effect.
Refer to your Speedlite’s 
instruction manual to set one 
slave unit’s slave ID to A 
(Group A) and the other 
slave unit’s ID to B (Group 
B) and position them as 
shown in the illustration.
1
Set [Firing group] to [1 (A:B)].
2
Set the desired flash ratio and 
shoot.
 
Select [A:B fire ratio] and set the 
flash ratio.
A
B
80
o
Approx. 7m 
(23.0ft.)
Approx.
5m (16.4ft.)
Approx.
7m
(23.0ft.)
Approx. 10m
          (32.8ft.)
Indoors
Outdoors
The 8:1 to 1:1 to 1:8 flash ratio is equivalent to 3:1 to 1:1 to 1:3 stops (1/2-
stop increments).
COP
Y