Canon EOS 90D DSLR Camera with 18-135mm Lens - Manual (Page 182)

182
Wireless Flash Photography Using Optical Transmission
Fully Automatic Shooting With One Receiver
Fully automatic wireless fl ash photography
using one receiver and one sender.
Steps 1–4 and 6 apply to all wireless fl ash
photography.
1 Press the < I > button.
2 Select [Flash control].

Select [
z
: Flash control] .
3 Select [Built-in fl ash settings].