Canon ST-E3-RT-V2 Manual page 40

[: Shooting with a Different Flash Mode for Each Group
E
A
B
Wireless flash shooting using the <[> flash mode cannot be performed
with cameras released up to 2011 or EOS REBEL T100/4000D/3000D, EOS
REBEL T7/1500D/2000D, EOS REBEL T6/1300D and EOS REBEL T5/
1200D. Shooting with up to 3 groups (A/B/C) is set (p.33).
40
When using an EOS digital camera
Ceiling
released since 2012, such as the EOS-
1D X (except EOS REBEL T100/4000D/
3000D, EOS REBEL T7/1500D/2000D,
D
EOS REBEL T6/1300D and EOS
REBEL T5/1200D), you can shoot with a
different flash mode set for each firing
group, with up to 5 groups (A/B/C/D/E).
The flash modes that can be set are "
C
E-TTL II/E-TTL autoflash, # Manual
flash and $ Auto external flash
metering. When the flash mode is " or
$, exposure is controlled to result in
standard exposure for the main subject
as a single group.
This function is for advanced users who
are very knowledgeable and
experienced in lighting.
1
Set the flash mode to <[>.
Press the <E> button on the sender

unit and set the flash mode to <[>.
2
Set the firing group on the
receiver units.
Operate and set the receiver units

one by one.
Set a firing group (A/B/C/D/E) for all

the receiver units.
For the receiver unit settings, see the

flash's instruction manual.