User's Manual

Control with the Camera’s Menu Screen
If the camera flash is attached to an EOS camera which has a speedlite control function, the flash
can be controlled using the camera’s menu screen. For the menu operation procedure, refer to
your camera’s instruction manual.
z Setting Camera Flash Functions
The following flash functions are settable according to different flash modes.
1. Flash mode
2. Shutter sync (1st/2nd curtain, high speed sync)
3. FEB
4. Flash exposure compensation
5. Flash firing
6. Clear camera flash’s settings
z Custom Functions of Camera Flash
C.Fn-00, C.Fn-01，C.Fn-03，C.Fn-04，C.Fn-08, C.Fn-10, C.Fn-20, and C.Fn-22.
Clear All Flash Custom Functions
Flash function settings screen Flash C.Fn settings screen
*Screens from the EOS-1D Mark III.
z If flash exposure compensation has already been set with the camera flash, flash
exposure compensation cannot be set with the camera. To set it with the camera, the
camera flash’s flash exposure compensation must be set to zero.
z If any Flash Custom Functions and flash settings other than flash exposure
compensation have been set by both the camera and the flash, the latest settings
will take effect.