Canon EOS R6 Mark II Mirrorless Camera with 24-105mm f/4-7.1 Lens - Manual (Page 215)

Quick Flash Group Control
As you view the shooting screen in wireless multi-flash photography, you can configure the
settings for each flash group by pressing the button assigned to [
Quick flash group
control ] in [ : Customize buttons ]. This example is based on assigning the < >
button ( ).
1.
Set the flash firing mode to < > (individual group control) to
prepare for wireless multi-flash photography.
For details, refer to the instruction manuals of flash units supporting
wireless multi-flash photography.
2.
During standby, press the < > button.
A setting screen for each flash group is displayed.
Turn the < > dial to select a flash group (A–E) to configure.
Turn the < > dial to set the flash mode.
Turn the < > dial to adjust flash output or flash exposure
compensation.
Note
The [ Quick flash group control ] setting screen can be displayed in < Fv >, < P >,
< Tv >, < Av >, < M >, or < B > mode.
When Speedlites are set to a flash mode other than < > (individual group
control), pressing the < > button displays the [ Flash function settings ]
screen.
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