Operation > 78OTHER TOOLS1. Measuring Unit: Indicates the measuring system in use. By clicking the button, youcan change the measuring unit.Choice: Inch, cm, Pixel.2. Paper Size Choice: Card 4" x 2.5", Photo 5" x 3.5", Photo 3.5" x 5", Photo 4" x 6",Photo 6" x 4", B5, A5, A4, Letter and Scanner Maximum.3. Image Size: Display image size for the scanned area.4. Lock Image: Fix the output width and height.21 43