Autoflash with Three Receiver Groups
Once firing groups A and B have been set up, you can fire with multiple Speedlites by adding group C. For an overview of flash control, see Group Control.
Group C is useful when you want to eliminate shadows in the background behind subjects.
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Press .
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Select the option shown in (1).
- Turn the dial to select an option, then press .
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Set to .
- Turn the dial to select , then press .
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Add Speedlites to firing group A, B, or C and position them.
- Confirm that all receivers and the sender are set to the same transmission channel and wireless radio ID.
- Set up receivers for group A, B, or C and position them.
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Check the channel and ID.
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Set the A:B flash ratio.
- Press to select the option shown in the figure.
- Turn the dial to select the A:B flash ratio, then press .
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Set the flash exposure compensation amount for firing group C.
- Press to select the option shown in the figure.
- Turn the dial to select an exposure compensation amount, then press .
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Check the connection and make sure the flash units are charged.
- Confirm that the lamp is lit in green.
- Confirm that the sender and receiver flash-ready lamps are lit.
- Make sure is not displayed on the sender LCD panel.
- Confirm that the icon indicating completion of sender/receiver charging appears on the sender LCD panel ( is not displayed).
- For details on sender LCD panel illumination, see LCD Panel Illumination.
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Check operation.
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Take the picture.
- Just as in normal flash photography, shoot after configuring the camera.
Caution
- Radio transmission is not possible when is displayed on the LCD panel. Double-check the transmission channels and wireless radio IDs of senders and receivers. If you cannot connect with the same settings, restart the senders and receivers.
- Aiming the units in firing group C directly at the main subject may cause overexposure.
Note
- You can fire the modeling flash by pressing the camera's depth-of-field preview button ().
- Auto power off takes effect in approx. 5 min. when the Speedlite is set as a sender.
- To turn on a receiver that is in auto power off mode, press the sender test flash button.
- Test flash firing is not available while a camera's flash timer or similar functions are active.