Canon POWERSHOT SD750 DIGITAL ELPH User Manual page 100

You can protect important images and movies from accidental
erasu re.
You can configure the protection settings for each
Select
image singly while viewing them.
Select by Date You can protect the images from a specified date.
You can protect the images in a specified
Select by Category category.
Select by Folder You can protect the images in a specified folder.
All Images You can protect all the images on a memory card.
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