Canon EOS-1D X Mark III DSLR Camera (Body Only) - Manual (Page 774)

3.
Add a checkmark [ ] to items to display.
Select information to display and press < > to add a checkmark [ ].
Repeat this step to add a checkmark [ ] to all information to display,
then select [
OK ].
Note
Regardless of the [ ] setting, relevant information appears in the viewfinder when
you press the <
>/< >/< >/< > buttons, move
the lens focus mode switch, or turn the focusing ring of an electronic MF-equipped
lens to switch between AF/MF (
).
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