Canon SD850 IS manual Play Menu, Select a menu item and press

You can protect important images and movies from accidental erasure.

	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 a the mages on a memory card.

[] (Play) Menu_[].

See Menus and Settings (p. 23).

Select a menu item and press _.

eProceed to Step 5 if you select [All Images].