Canon EOS-1D X Mark III DSLR Camera (Body Only) - Manual (Page 420)

No information Basic information display
Shooting information display
Caution
When played back, images captured with [ 7 : Add cropping
information ] set to an option other than [ Off (aspect ratio 3:2) ]
( ) are displayed with lines indicating the image area.
3.
Exit image playback.
Press the < > button to exit image playback and return to shooting
standby.
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