Take the picture – Canon EOS-1D Mark IV User Manual
Page 107
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P: Program AE
Take the picture.
• Compose the shot and press the
shutter button completely.
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If the “30"' shutter speed and the maximum
aperture blink, it indicates underexposure,
increase the ISO speed or use flash.
If the “8000" shutter speed and the minimum
aperture blink, it indicates overexposure.
Lower the ISO speed or use an ND filter (sold
separately) to reduce the amount of light entering
the lens.
Q During automatic AF point selection (p.97) or manual AF point selection with
expanded AF points (p.222), multiple AF points might light up
simultaneously.
Q About Program Shift
• In the Program AE mode, you can freely change the shutter speed and
aperture combination (Program) set automatically by the camera while
maintaining the same exposure. This is cailed Program shift.
• To do this, press the shutter button down haifway, then turn the <iSi>
diai until the desired shutter speed or aperture value is displayed.
• Program shift is canceled automatically after the picture is taken.
• Program shift is not possible with flash.
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