Canon EOS-1DX MARK II Settings Manual page 42

Examples where the [ + ] setting is effective
Sports where athletes' movement suddenly stops
or startsf
[+]
Photo
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enlarge
image
Example of a long-jump landing. As a result of the
athlete suddenly decelerating as they land, a normal
setting may not be able to capture it, however, it is
possible to continue focusing on the athlete with
[Accelerate / decelerate Tracking] set to [ + 1].
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