Canon EOS-1 DX Mark III Advanced User's Manual page 386

AF point display during focus
You can set whether AF points are displayed throughout autofocusing: when AF begins and
is in progress, when subjects are in focus, and after this, while the metering timer is active.
AF point display during focus
Selected AF point
All AF points
Selected pt (focused,
Selected AF pt (focused)
Disable display
AF point display during focus
Selected AF point
All AF points
Selected pt (focused,
Selected AF pt (focused)
Disable display
Caution
Display of AF points is different for Zone AF, Large Zone AF, and Automatic
selection AF, which show a Zone AF frame, Large Zone AF frame, or Area AF
frame.
)
During AF Focus achieved
)
AF point Before AF starts
selected (shooting standby)
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386
○: Displayed, ×: Not displayed
At AF start
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After focusing, during the
metering timer
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×