Canon EOS 1D Mark II N Instruction Manual page 162

3 Custom Function Settings
C.Fn-05
0: Tv=6 Av=5
1: Tv=5 Av=6
This is convenient when you often have to change the aperture during
studio shooting with studio flash units. Also, when you use AEB in the
manual exposure mode, the shutter speed can stay fixed while only the
aperture is shifted for AEB.
To set the shutter speed, hold down the <
C.Fn-11-1/2 is set) and turn the <
2: Tv=6 Av=5 w/o lens
You set the shutter speed and aperture in the same way as with C.Fn-05-0.
And you can still set the aperture even while the lens is detached from the
camera. Convenient especially if you want to use a super telephoto lens
with more than one EOS-1D Mark II N camera body.
3: Tv=5 Av=6 w/o lens
You set the shutter speed and aperture in the same way as with C.Fn-05-1.
And you can still set the aperture even while the lens is detached from the
camera.
C.Fn-06
0: 1/3-stop set 1/3-stop comp.
1: 1-stop set
Sets full-stop increments for the shutter speed and aperture.
2: 1/2-stop set 1/2-stop comp.
Sets 1/2-stop increments for the shutter speed, aperture, and exposure
compensation.
The exposure compensation will be displayed in the viewfinder and on
the LCD panel as shown below.
When C.Fn-06-2 is set, AEB with the ISO speed will be disabled.
162
Manual Tv/Av set. for M exp.
6
Exposure level increments
1/3-stop comp.
O
> button (or the <
> dial.
S
> button if