Canon EOS 77D - Page 228

3 Setting the Flash FunctionN
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The Custom Functions displayed under [External flash C.Fn setting]
vary depending on the Speedlite model.
1
Display the Custom Function.
 With the camera ready to shoot with
an external Speedlite, select
[External flash C.Fn setting], then
press <0>.
2
Set the Custom Function.
 Press the <Y> <Z> keys to select
the function number, then set the
function. The procedure is the same
as setting the camera’s Custom
Functions (p.400).
1
Select [Clear settings].
 Under the [z2: Flash control] tab,
select [Clear settings], then press
<0>.
2
Select the settings to be cleared.
 Select [Clear built-in flash set.],
[Clear external flash set.], or [Clear
ext. flash C.Fn set.], then press
<0>.
 When you select [OK], the respective
flash settings will be cleared.
Setting the External Speedlite Custom Functions
Clear All Settings to Default
With an EX-series Speedlite, if the [Flash metering mode] Custom
Function is set to [TTL flash metering] (autoflash), the Speedlite will always
fire at full output.
The Speedlite’s Personal Function (P.Fn) cannot be set or canceled on the
camera’s [Flash control] screen. Set it directly on the Speedlite.