5 Check that the wireless flash system works.
Press the master unit’s test firing button.
XThe master unit and slave unit(s) C will fire.
If the slave unit(s) does not fire, adjust the position, angle, and distance from the master unit.
The wireless multiple flash system requires both flash tubes/heads A and B to fire. It will not work if only A or B is fired.
If <a> is set with the following cameras, wireless multiple flash with slave C will not be possible.
EOS ELAN ll/ELAN ll E/50/50E, EOS REBEL G/500N, EOS IX, EOS IX Lite/IX7, EOS 3000/88, EOS REBEL 2000/300, EOS REBEL XS N/ REBEL G II/3000N/66
The flash ratio for flash tubes/heads A and B can be set as with normal flash photography. See “Setting the Flash Ratio” (p.21).
If the slave unit’s auto power off takes effect, press the master unit’s test firing button to turn on the slave unit.
For shooting, <a> will also be set automatically for the slave unit(s).
Features Compatible with Wireless Flash
The following features can be used as with normal flash photography without touching the slave unit(s).
FE lock, flash exposure compensation, FEB,
Wireless Multiple Flash Photography possible with C.Fn-5-1
•Autoflash with slave unit(s) whose ID has been set to A or B.
•Wireless multiple manual flash with flash tubes/heads A and B and slave unit(s) C firing at a different flash output.
For details, refer to the instruction manual for the Speedlite equipped with a slave function.
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