C: Setting Custom Functions
You can customize Speedlite features to suit your shooting preferences.
You do this with Custom Functions.
Custom
Function
Function
No.
C.Fn-00 Distance indicator display
C.Fn-01 Auto power off
C.Fn-02 Modeling flash
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-14 Flash range/aperture info.
C.Fn-02-1/3: Convenient when you want to use the depth-of-field
C.Fn-08:
C.Fn-14:
Setting
preview button to check the depth of field.
If the Speedlite or camera's AF-assist beam is
disabled, the AF-assist beam will not be emitted.
You can change the information displayed on the LCD
panel when the shutter button is pressed halfway. This
function can be set only with Type-A cameras.
Settings & Description
No.
0
Meters (m)
1
Feet (ft)
0
Enabled
1
Disabled
Enabled (Depth-of-field preview
0
button)
1
Enabled (Test firing button)
2
Enabled (with both buttons)
3
Disabled
0
1/32
1
Full output
0
Enabled
1
Disabled
0
Enabled
1
Disabled
0
60 minutes
1
10 minutes
0
Within 8 hours
1
Within 1 hour
0
Maximum distance
1
Aperture display
Reference
page
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p.10
p.30
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p.23
p.23
p.28
p.11
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