C.fn i *10 select usable metering modes, Cxn i -11 exposure mode in manual exposure, C.fn i -12 set shutter speed range – Canon EOS-1D Mark IV User Manual
Page 211: C.fn, Set aperture value range
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Custom Function Settings
C.Fn I *10 Select usable metering modes
Disable;
All the metering modes (CS: Evaluative, E3: Partial,
CO:
Spot,
CD: Center-weighted average) will be selectable.
Enable:
Only the metering modes set with
[Register]
will be selectable.
Register:
To make a metering mode unselectable, uncheck the checkmark
< \/ >. After entering the settings, select
[Apply]
Cxn I -11 Exposure mode in manual exposure
You can set the metering mode to be used in the manual exposure mode
0: Specified metering mode 3: Spot metering
1: Evaluative metering
4: Center-weighted average
2: Partial metering
O With settings 1 to 4, you cannot change the metering mode by pressing the
<[1]-S> button during shooting.
C.Fn i -12 Set shutter speed range
Disable;
The settable shutter speed range will be
1/8000
sec. to
30
sec.
Enable:
The settable shutter speed will range from the highest shutter
speed to the lowest shutter speed set with
[Register].
Register:
The highest shutter speed can be registered within 1/8000 sec.
to 15 sec., and the lowest shutter speed can be registered within
30
sec. to
1/4000
sec. After entering the settings, select
[Apply].
C.Fn
I -13
Set aperture value range
Disable:
The settable aperture will range from the camera-attached lens'
maximum aperture to minimum aperture.
Enable:
The settable aperture will range from the smallest to largest
aperture set with
[Register].
Register:
The smallest aperture can be registered within f/91 to f/1.4, and
the largest aperture can be registered within f/1.0 to f/64. After
entering the settings, select
[Apply].
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