Canon EOS M6 Mark II, Advanced User'S Manual

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Movie Recording Quality
Cards that Can Record Movies
For details on cards you can use for various movie recording sizes, see
=
581.
When recording movies, use a high-capacity card with a writing/reading
speed (as specified in card performance requirements) shown in the
table on
=
581 or higher than the standard specification. Test cards by
recording a few movies to make sure they can record correctly at your
specified size (
= 243
).
z
Format cards before recording 4K movies ( = 492).
z
If you use a slow-writing card when recording movies, the movie may not be
recorded properly. Also, if you play back a movie on a card with a slow reading
speed, the movie may not be played back properly.
z
When recording movies, use high-performance cards with a writing speed
sufficiently higher than the bit rate.
z
When movies cannot be recorded normally, format the card and try again.
If formatting the card does not resolve the problem, refer to the card
manufacturer’s website, etc.
z
To obtain better performance with the card, formatting the card with the camera
before recording movies is recommended (
= 492).
z
To check the card’s writing/reading speed, refer to the card manufacturer’s
website, etc.