Canon 0286B001 - Optura S1 Camcorder Instruction Manual page 46

When you have selected [Export as a Screen Saver]:
You can export and save the image as a screen saver.
When you have selected [Export as a Wallpaper]:
You can export and save the image as Windows wallpaper. This task cannot be
performed if you have selected multiple images.
46 Exporting Images