Customizing The Speedlite - Canon 600EX-RT Instruction Manual

This chapter describes how to customize the Speedlite
with the Custom Functions (C.Fn) and Personal
Functions (P.Fn).
When the camera's shooting mode is set to a fully automatic
mode or an Image Zone mode, the operations in this chapter
are not available. Set the camera's shooting mode to V/X/
W/q/ 5 (Creative Zone mode).
Customizing
the Speedlite
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