Canon 1D X - Manual (Page 100)

3 Customizing AF Functions
100
You can set whether or not to display the AF point(s) in the following
cases: 1. When selecting the AF point(s), 2. When the camera is ready
to shoot (before AF operation), 3. During AF operation, and 4. When
focus is achieved.
: Selected (constant)
The selected AF point(s) is always
displayed.
: All (constant)
All 61 AF points are always displayed.
: Selected (pre-AF, focused)
The selected AF point(s) is displayed for 1, 2, and 4.
: Selected (focused)
The selected AF point(s) is displayed for 1 and 4.
OFF: Disable display
For 2, 3, and 4, the selected AF point(s) will not be displayed.
AF point display during focus
If [Selected (pre-AF, focused)] or [Selected (focused)] is set, the AF point
will not be displayed even when focus is achieved with AI Servo AF.
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