Canon EOS 1D - Manual (Page 211)

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3 Custom Function Settings
C.Fn I -10 Select usable metering modes
Disable: All the metering modes (q: Evaluative, w: Partial, r: Spot,
e : 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
<X>. After entering the settings, select [Apply].
C.Fn 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
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].
With settings 1 to 4, you cannot change the metering mode by pressing the
<Q> button during shooting.
COP
Y