Canon EOS-1D X Mark III Af Setting Manualbook page 94

How can I quickly switch between
the AF point and the AF area for
shooting normally and vertically?
The camera stores the settings of the AF
area selection mode and the manually
selected AF point with each camera
orientation, horizontally and vertically
(grip top/bottom), and will automatically
switch between them.
* For Live View shooting, setting [Separate AF pts: Area + pt] is the
same as setting [Separate AF pts: Pt only].
Automatic switching between
registered AF points
Use [Orientation linked AF point] in the [AF4] tab to set
the AF points for each orientation.
* During Live View shooting it is the [AF5] tab.
Viewfinder shooting only
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