Owner's Manual

ETTL: Wireless Multiple-Flash Photography with
Flash Ratio
Autoflash with Two Receiver Groups
Autoflash with Three Receiver Groups
Group Control
Autoflash with Two Receiver Groups
You can adjust the lighting balance (flash ratio) with receivers separated into 2 groups, A
and B.
The total (sum) of light from firing groups A and B is automatically controlled to a achieve
standard exposure.
1.
Set the firing group of the receivers.
Set this manually on each receiver.
Set 1 receiver to < > and the other to < >.
For instructions on configuring receiver settings, refer to the instruction
manual of the flash unit.
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