Canon ST-E3-RT-V2 Manual page 36

q: Wireless Multiple Flash Shooting with Manual Flash Output
How to Set the Firing Output of the Manual Flash with
the FE Memory Function
You can set the firing output adjusted in firing mode <a> as the
firing output of the firing mode <q>.
When firing the flash with the <a> setting, make sure that charging

has been completed for all of the flashes (sender charge lamp lit).
After shooting with the <a> setting, if you make a change in the ISO

sensitivity, aperture value or settings related to the firing output such as
the light intensity, zoom, etc., we recommend that you shoot with the
<a> setting again.
36
1
Set the FE memory function.
Set the P.Fn-08 <

personal functions to 1:ON
2
Set the flash mode to <a>.
Press the sender <E> button to

set <a> as the flash mode.
3
Take the picture.
Press the shutter button fully to shoot.

4
Set the flash mode to <q>.
Press the sender <E> button to

set <q> as the flash mode.
5
Check the flash output.
> setting in the
(p.60).