Canon EOS 90D, Руководство для продвинутых пользователей

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Formatting Memory Cards
Conditions Requiring Card Formatting
 The card is new.
 The card was formatted by a diff erent camera or a computer.
 The card is full of images or data.
 A card-related error is displayed ( =
613
).
Low-Level Formatting

Perform low-level formatting if the card’s writing or reading speed seems
slow or if you want to totally erase the data on the card.

Since low-level formatting will format all recordable sectors on the card,
the formatting will take longer than normal formatting.

During low-level formatting, you can cancel formatting by selecting
[Cancel]
. Even in this case, normal formatting will already be complete
and you can use the card as usual.
Card’s File Formats
 SD/SDHC cards will be formatted in FAT32. SDXC cards will be
formatted in exFAT.

When recording a movie with a card formatted in exFAT, the movie will be
recorded in a single fi le (instead of being split into multiple fi les) even if it
exceeds 4 GB. (The movie fi le will exceed 4 GB.)
o
It may not be possible to use SDXC cards formatted with this camera in other
cameras. Also note that exFAT-formatted cards may not be recognized by
some computer operating systems or card readers.
o
Formatting or erasing data on a card does not completely erase the data. Be
aware of this when selling or discarding the card. When disposing of cards,
take steps to protect personal information if necessary, as by physically
destroying cards.