Canon 40d Manual

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11
Customizing theCamera
With Custom Functions, you can change the camera 
functions according  to your preference. Also, the 
current camera settings can be saved under the Mode 
Dial’s < w>, < x>, and < y> positions.
The functions explained in this chapter apply to 
Creative Zone modes.  

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1Select [8].
  Turn the < 6> dial to select the [ 8]
tab.
2Select the group.
  Turn the < 5> dial to select C.Fn I - 
IV, then press < 0>.
3 Select the Custom Function No.
  Turn the < 5> dial to select the 
Custom Function No., then press 
< 0 >.
4 Change the setting as desired.
  Turn the < 5> dial to select the 
setting (number), then press < 0>.
  Repeat steps 2 to 4 if you want to set 
other Custom Functions.
  At the bottom of the screen, the 
current Custom Function settings are 
indicated...

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3 Setting Custom Functions N
Custom Functions
C.Fn I: Exposure
1Exposure level increments2ISO speed setting increments
3 ISO expansion
4Bracketing auto cancel5Bracketing sequence
6 Safety shift
7Flash sync. speed in Av mode
C.Fn II: Image
1Long exposure noise reduction2High ISO speed noise reduction
3 Highlight tone priority
C.Fn III: Auto focus/Drive
1 Lens drive when AF impossible2Lens AF stop button function3AF point selection method
4 Superimposed display
5AF-assist beam firing6AF during Live...

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Custom Functions are organized into four groups based on the function 
type: C.Fn I: Exposure, C.Fn II: Image, C.Fn III: Auto focus/Drive, C.Fn 
IV: Operation/Others.
3 Custom Function Settings N
C.Fn I: Exposure
C.Fn I -1     Exposure level increments
0: 1/3-stop
1: 1/2-stop
Sets 1/2-stop increments for the shutter speed, aperture, exposure 
compensation, AEB, etc. Effective when you prefer to control the 
exposure in less fine increments than 1/3-stop increments.
C.Fn I -2     ISO speed setting...

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3 Custom Function Settings N
C.Fn I -4     Bracketing auto cancel
0: On
The AEB and WB-BKT settings will be canceled if you set the power 
switch to < 2> or clear the camera settings. AEB will also be 
canceled when the flash is ready to fire.
1: Off
The AEB and WB-BKT settings will be retained even when the power 
switch is set to < 2>. (When the flash is ready, AEB will be canceled. 
However, the AEB amount will be retained in memory.)
C.Fn I -5     Bracketing sequence
The AEB shooting sequence...

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3 Custom Function Settings N
C.Fn II: Image
C.Fn II -1     Long exposure noise reduction
0: Off
1: Auto
For 1 sec. or longer exposures, noise reduction is performed 
automatically if noise typical of long exposures is detected. This [ Auto]
setting is effective in most cases.
2: On
Noise reduction is performed for all exposures 1 sec. or longer. The [ On]
setting may be effective for noise that cannot be detected or reduced 
with the [ Auto] setting.
C.Fn II -2     High ISO speed noise reduction
0:...

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3 Custom Function Settings N
C.Fn II -3     Highlight tone priority
0: Disable
1: Enable
Improves the highlight detail. The dynamic range is expanded from the 
standard 18% gray to bright highlights. The gradation between the grays 
and highlights becomes smoother.
C.Fn III: Auto focus/Drive
C.Fn III -1     Lens drive when AF impossible
If autofocus is executed, but focus cannot be achieved, the camera can 
either keep trying to focus or stop.
0: Focus search on
1: Focus search offPrevents the...

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3 Custom Function Settings N
C.Fn III -2     Lens AF stop button function
0: AF stop
1: AF start
AF operates only while the button is pressed. While the button is 
pressed, AF operation with the camera is disabled.
2: AE lock When the button is pressed, AE lock is applied. Convenient when you 
want to focus and meter at different parts of the picture.
3:  AF point: M  9 Auto/Auto  9 center
In the manual AF point selection mode, the button instantly switches to 
automatic AF point selection only...

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3 Custom Function Settings N
C.Fn III -3    AF point selection method
0: Normal
Press the < S> button and use < 9> to select the AF point.
1: Multi-controller direct Without pressing the < S> button first, you can just use the < 9> to 
select the desired AF point. Pressing the < S> button will set it to 
automatic AF point selection.
2: Quick Control Dial direct Without pressing the < S> button first, you can just use the < 5> to 
select the desired AF point. By holding down the < S> button and...

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3 Custom Function Settings N
C.Fn III -6     AF during Live View shooting
0: Disable
1: Enable
During Live View shooting, you can interrupt the Live View image 
display and focus for as long as you hold down the < p> button.
C.Fn III -7     Mirror lockup
Prevents camera vibrations caused by the reflex mirror action which can 
disturb shooting with super telephoto lenses or close-up shooting. See 
page 98 for the mirror lockup procedure.
0: Disable
1: Enable
C.Fn IV: Operation/Others
C.Fn IV -1...