Canon EOS 90D DSLR Camera with 18-135mm Lens - Manual (Page 520)

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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 [ 5 : Video system].
2 Select an item.
 For NTSC
For areas where the TV system is NTSC
(North America, Japan, South Korea,
Mexico, etc.).
 For PAL
For areas where the TV system is PAL
(Europe, Russia, China, Australia, etc.).