Canon Speedlite Transmitter ST-E3-RT Instruction Manual - Page 34

Set the flash ratio., Take the picture., Set a flash as firing group C., Set to &lt, >.,

Page 34 highlights

a: Wireless Multiple Flash Shooting with Flash Ratio 4 Set the flash ratio. Press function button 3 . Press function button 3 . Turn to set the flash ratio, and press the button. Press function button 4 to return to the shooting-ready state. 5 Take the picture. X The slave units flash at the set flash ratio. Autoflash Shooting with Three Slave Groups 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 C "Autoflash Shooting with Two Slave Groups". B A 1 Set a flash as firing group C. For the slave unit settings, see the flash's instruction manual. 2 Set to . Set the master unit to in the same way as steps 2 and 3 on the preceding page. 32

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32
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.
The slave units flash 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 a flash as firing group C.
For the slave unit settings, see the
flash’s instruction manual.
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