Canon 550EX manual Conventions Used in this Booklet

Conventions Used in this Booklet

The Instructions are divided into separate sections for Type-A and Type-B cameras. If you have a Type-A camera, see pages 10 to 76 and 112 to 125. If you have a Type-B camera, see pages 10 to 22 and 77 to 125.

●The Speedlite operation procedures assume that the Speedlite 550EX has been turned on with its main switch. Before proceeding, turn on the main switch.

●The camera and Speedlite’s buttons and dials and their settings are indicated by icons in the Instructions. The name of each button and dial can be found in “Nomenclature” on page 6. Icons for camera modes are also used. They are as follows:

: Full Auto

P : Program AE

Av : Aperture-priority AE

Tv : Shutter speed-priority AE

M : Manual

●The icon indicates a simple explanation of a relevant Custom Function. For details, see “Custom Functions” on page 112. The Custom Function explanations assume that the default Custom Function settings are in effect.

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