53532. Press Up/Down button to select between protectionoptions:• Single, to protect a single selected photo or video• All, to protect all photos and videos stored in built-inmemory and/or SD cardPress SET button to confirm and enter photo/videoprotection interface.3. Select Protect to lock displayed photos or videos, or selectUnprotect to unlock, then press SET and select "Back" toreturn to the playback menu.DeleteThere are two ways to delete files.• Delete One:1. In the Delete setting, select Delete One and then pressthe SET or Right button.2. Press the Left / Right button to locate the photo or video tobe deleted. Press the Up/Down button to select item (DeleteOne: to delete the file or, Back: to return to previous menu)and then press SET to confirm.