C.Fn:
Setting Custom Functions
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You can customize
Speed lite
features to suit your shooting preferences.
You do this with Custom Functions.
Custom
Function
No.
Function
Settings & Description
Reference
page
C.Fn-OO
Distance indicator display
C.Fn-01
Auto power off
C. Fn-02
Modeling flash
C.Fn-03
FEB auto cancel
C.Fn-04
FEB sequence
C.Fn-05
Flash metering mode
C.Fn-06
Quickflash with continuous
shot
C.Fn-07
Test firing with autoflash
C.Fn-08
AF-assist beam firing
C.Fn-09
Auto zoom for sensor size
C.Fn-10
Slave auto power off timer
C.Fn-11
Slave auto power off cancel
C.Fn-12
Flash recycle with external
power source
C.Fn-13
Flash exposure 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-TTL II/E-TTL
TTL
External metering: Auto
External metering: Manual
Disabled
Enabled
1/32
Full output
Enabled
Disabled
Enabled
Disabled
60 minutes
10 minutes
Within 8 hours
Within 1 hour
Flash and external power
External power source
Speedlite button and dial
Speedlite dial 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