Answer:
So probably erase and format, or one of the two.
Erasing a memory card
When erasing a memory card, individual photos are deleted from their directories on the card. You can erase one or more user selected images at a time, or erase all images at one time. However, any images that you’ve selected to be “protected” through another menu option will not be removed during the erasure process.
Formatting a memory card
Format a memory card sample menu Formatting, on the other hand, deletes all images from a memory card, even the ones that may have been protected. It recreates the file system including new directories and folders where images are saved on the card.
It’s important to understand the difference between erasing and formatting a memory card. Here’s why, and when, each method of deleting images should be used.
Erase a memory card sample menu Many digital camera owners don’t understand the difference between erasing and formatting a memory card. Both methods of deleting images should be used, but for different reasons.
Before explaining the differences between the two, it should be pointed out that experts recommend formatting a brand new memory card in-camera prior to using the card for the very first time.
Erasing can be done whenever needed, such as when your card is at full capacity and you need more space on the card. You can erase all or individual image files.
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