, o, <:,C?:-JC.Fn>, , Hold down the, is, button until, displayed. Selectthe Custom Function No., Change the setting., Setthe Speedlite to the camera's aperture setting."> Canon 580EX II C.Fn:
C.Fn:

Setting Custom Functions

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You
can
customize
Speedlitefeatures
to
suit
your
shooting
preferences.
You
do
this
with
Custom
Functions.
CustomFunction
No. Function Settings&Description
Referencepage
C.Fn-OO
Distanceindicator display
C.Fn-01 Autopower off
C.
Fn-02 Modelingflash
C.Fn-03 FEBauto cancel
C.Fn-04 FEBsequence
C.Fn-05 Flashmetering mode
C.Fn-06 Quickflashwith continuous
shot
C.Fn-07 Testfiring with autoflash
C.Fn-08 AF-assistbeam firing
C.Fn-09 Autozoom for sensor size
C.Fn-10 Slaveauto power off timer
C.Fn-11 Slaveauto power off cancel
C.Fn-12 Flashrecycle with external
powersource
C.Fn-13 Flashexposure metering
setting
o
o
Meters(m)
Feet(ft)
Enabled
Disabled
Enabled(Depth-of-field preview
button)
Enabled(Test firing button)
Enabled(with both buttons)
Disabled
Enabled
Disabled
E-TTLII/E-TTL
TTL
External
metering:
Auto
External
metering:
Manual
Disabled
Enabled
1/32
Fulloutput
Enabled
Disabled
Enabled
Disabled
60minutes
10minutes
Within8hours
Within 1hour
Flashand external power
Externalpower source
Speedlitebutton and dial
Speedlitedial only
p.10
p.44
p.15
p.12
p.55
p.30
p.30
p.10
p.49
p.21
p.39
p.48
p.14
27