Canon 550 EX - Manual (Page 99)

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For Type-B Cameras
Wireless Flash Photography
This section covers wireless flash photography with the 550EX. It explains the
550EX’s built-in master and slave flash features. A wireless flash system with
multiple Speedlite 550EXs can be used as easily as a single, on-camera
Speedlite 550EX.
With Type-B cameras, the 550EX offers the following wireless flash features:
[1] Wireless System Setup and Testing (page 100)
[2] Wireless Manual Flash (page 107)
[3] Wireless Stroboscopic Flash (page 109)
[4] Independent Settings With a Slave Unit (page 110)
• This section assumes that the Speedlite 550EX is used with the EOS-1N.
• Before proceeding, first turn on the main switch on the EOS-1N and 550EX.
• In these Instructions, a Speedlite 550EX whose wireless selector has been set to
< > is called the “master unit” and a 550EX whose wireless selector has been
set to < > is called a “slave unit.”
• For EOS-1N operations, refer to the EOS-1N Instructions.
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