430EX Speedlite : How to set and use the Custom Function Settings "C.Fn"

Article ID: ART123264 | Date published: 05/12/2015 | Date last updated: 08/17/2015


How to set and use the Custom Function Settings "C.Fn"


You can customize Speedlite features to suit your preferences. Do it with Custom Functions.
1. Press and hold the button for 2 sec. so that <C.Fn> is displayed

2. Select the Custom Function No.

  • Press the button to select the Custom Function number

3. Change the setting

  • Press the button
  • The Custom Function number and setting number will blink
  • Press the button to select "0" or "1" then press the button
  • After you set the Custom Function and press the <MODE> button, the camera will be ready to shoot

Custom Function Settings

  • C.Fn -06 can be set only with Type-A cameras
  • If "AF-assist beam OFF" is set with the Speedlite or camera, the AF-assist beam will not be emitted.



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