Canon 600EX User Manual

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6
Customizing
the Speedlite
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).
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