Finally, to scale the image, hold `CONTROL` and use your mouse's scroll wheel, or use the numeric steppers also positioned on the right hand side of the menu. To automatically scale an image to fit within the box, press the "Apply" button in the "Scale Image" section. By default, scaling an image will preserve the imported image's aspect ratio; to unlock this association, uncheck the "Preserve Aspect Ratio" check box.
![Crop and Scale tool](/images/chokuretsu/serial-loops/crop-and-scale.png)