Canon EOS-1DS Mark III Instruction Manual page 37

Basic Operation
Pressing completely
This releases the shutter and takes the
picture.
¢_Uf you Press the shutter buttQncompleteiy without Pressing iihaifway first
or if you press the shutter button halfway and then press it completely
immediately, the camera wil! take a moment before iStakes the picture.
_;, Even during the menu display, image playback_ and image recording,
you can instantly go back to sho0ting-ready by pressing the shutter
button ha!fway:
<_> Using the Main Dial for Selecting
(1) After pressing a button, turn the
<_> dial.
When you press a button, its function remains
selected for 6 seconds (66). During this
time, you can turn the <_:_> dia! to set the
desired setting. When the function turns off or
if you press the shutter button halfway, the
camera will be ready to shoot.
® Use the dial to select or set the
shooting mode, AF mode, metering
mode, AF point, ISO speed, exposure
compensation when the <F_> button
is pressed, or memory card.
(2) Turn the <_> dial only.
While looking at the viewfinder or top
LCD panel, turn the <_:_> dial to set the
desired setting.
® In this way, you can set the shutter
speed, aperture, etc.
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