Canon EOS-1D X Mark III DSLR Camera (Body Only) - Manual (Page 850)

C.Fn7
switching ( / )
: Enable /
: Disable
When set to [ Disable ], setting the Live View shooting/Movie shooting switch to
< > does not enable movie recording. This enables still photo shooting at all times.
Smart controller
Enables you to move AF points by dragging on the smart controller after pressing the
<
> button.
ON: Enable
Enables use of the smart controller in both vertical and horizontal shooting.
: Disable vertical only
Restricts available smart controllers to the smart controller for horizontal shooting.
OFF: Disable
Disables the smart controller.
Caution
This function is not available if you have set the [ ] button to [ Disable ] using
Custom Controls.
Note
With [ Enable ] or [ Disable vertical only ] selected, you can press the < >
button to adjust sensitivity, which changes the amount of AF point movement in
response to dragging on the smart controller.
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