Canon Speedlite 430EXIII-RT Instruction Manual page 68

Linked Shooting with Radio Transmission
Linked shooting
Transmission channel/
Wireless radio ID
68
Set to linked shooting mode.
1
Press the <I> button of the <S>
cross keys.
Turn <9> to select <l>,
then press <8>.
The display changes to
<4>.
Set the master/slave unit.
2
Turn <9> to select <
or < ' x>, then press <8>.
Set the transmission channel and
3
wireless radio ID.
For details on the setting procedure,
see pages 50 to 53.
Set the camera's shooting
4
functions.
Set all the Speedlites.
5
Set all the Speedlites to perform
linked shooting to "master unit" or
"slave unit" in linked shooting.
Set the transmitters in the same way
if any to be used in linked shooting.
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