Canon EOS-1D X Mark III DSLR Camera (Body Only) - Manual (Page 797)

Video System
Set the video system of any television used for display. This setting determines the frame
rates available when you record movies.
1.
Select [ : Video system].
2.
Select an item.
For NTSC
For areas where the TV system is NTSC (such as North America,
Japan, South Korea, and Mexico).
For PAL
For areas where the TV system is PAL (such as Europe, Russia,
China, and Australia).
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