Wireless e-ttl autoflash with flash ratio off, 2] wireless e-ttl autoflash, Master flash on -i- slave unit(s) – Canon 550EX User Manual
Page 60
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
Wireless E-TTL autoflash with multiple Speedlite 550EXs can be used in one
of two ways:
(
1
)
OFF : All slave units fire at the same flash output.
(2)
ON : Slave units with different slave IDs (A, B. or C) can be
tired at different flash outputs to produce a flash ratio.
• A flash ratio can be set only with the EOS-3.
• With the EOS Elan II-IIE/50-50E, EOS Rebel G/500N, EOS IX, and EOS IX Lite/IX7, a flash ratio
cannot be set with the master unit.
[2] Wireless E-TTL Autoflash
1. Wireless E-TTL Autoflash With Flash Ratio OFF
If no flash ratio is desired, the slave ID does not matter. It can be A, B, or C.
All the slave units will fire at the same flash output. The E-TTL autoflash
system controls the total flash amount automatically to obtain a correct flash
exposure.
• Master Flash ON -i- Slave Unit(s)
60