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When an EX-series Speedlite (such as the 580EX II and 430EX II)
settable by the camera is attached, you can use the camera’s menu
screen to set the Speedlite’s flash function settings and Custom
Functions.
First attach the Speedlite to the camera and turn on the Speedlite.
For details on Speedlite functions, refer to the Speedlite’s instruction
manual.
1Select [External Speedlite

control].

Under the [7] tab, select [External
Speedlite control], then press <0>.
2Select [Flash function settings].
Turn the <5> dial to select [Flash
function settings], then press <0>.
3Set the flash function settings.
Turn the <5> dial to select a flash
function and set it as desired. The
procedure is the same as setting a
menu function.
On the screen, the settable items and
what’s displayed will differ depending
on the current flash mode, flash
Custom Function settings, etc.
3

Setting the FlashN

Flash Function Settings

If you press the <B> button in step 3, you can revert the setting to the
default.
With an EX-series Speedlite not settable with the camera, only [Flash
exp. comp], [E-TTL II], and [Flash firing] are settable for [Flash
function settings].
(For some EX-series Speedlites, [Shutter sync.] is also settable.)