Canon Speedlite 600EX-RT Manual

46

Flash Control from Camera’s Menu Screen

The displayed contents vary depending on the camera. When C.Fn-20 
to 23 are not displayed, set them by operating the flash unit. For the 
Custom Functions, see pages 95 to 100.

 

Select [Flash C.Fn settings] or 
[External flash C.Fn setting].

X

The screen changes to the (external) 
flash Custom Function settings 
screen.

 

Select the Custom Function number 
and set the function.

 

To clear all the Custom Function 
settings, select [Clear all Speedlite 
C.Fn’s] or [Clear ext. flash C.Fn 
set.] in step 1.

 

When using a camera released up to 2011 or EOS REBEL T5/EOS 
1200D, the C.Fn-20 to 23 settings are not cleared even if [Clear all 
Speedlite C.Fn’s] is selected. When following the “Clearing All the 
Custom Functions” operation on page 94, all the Custom Functions 
(except C.Fn-00) are cleared.

 

When using the flash with EOS digital cameras released since 2012, as 
auto external metering and manual external metering can be 
automatically selected with the flash’s <E> button, C.Fn-05-2, 3 are 
not selectable (except with EOS REBEL T5/EOS 1200D).

You cannot set or clear all Personal Functions (P.Fn/p.101) from the 
camera’s menu screen. Set them by operating the flash unit.