Flash C.Fn Settings
You can set Custom Functions for the flash from the camera's menu screen. The details
displayed vary by the camera used. If C.Fn-21 to 23 are not displayed, set them by
operating the Speedlite. For custom functions, refer to "
Settings that can be changed with
1.
Select [Flash C.Fn settings].
Select [
Flash C.Fn settings
] or [
External flash C.Fn setting
].
100