Canon Speedlite 600 EX-RT User Manual (en, zh)

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a: Wireless Multiple Flash Shooting with Flash Ratio
4
Set the flash ratio.
 
Press function button 3 <F>.
 
Press function button 3 <A>.
 
Turn <9> to set the flash ratio, and 
press the <8> button.
 
Press function button 4 <?> to 
return to the shooting-ready state.
5
Take the picture.
X
The slave unit flashes at the set flash 
ratio.
You can add firing group C to firing 
groups A and B. C is convenient to set 
lighting so as to eliminate the subject’s 
shadow.
The basic setting method is the same as 
“Autoflash Shooting with Two Slave 
Groups”.
 1
Set firing group C.
 
Set the slave unit you want to add to 
flash firing group <6> in the same 
way as step 1 on the preceding page.
2
Set to <^>.
 
Set the master unit to 
<^> in the same way 
as steps 2 and 3 on the preceding 
page.
Autoflash Shooting with Three Slave Groups
C
A
B
COP
Y