2. If the Preview Window on lower right doesn't show a preview of the original drawing in the correct size - change the paper size to a size that will accommodate the original drawing size. Note: D size is 24" and E size is 36" and F size is 42".
3. Set ZOOM scaling to 100% - Go to ADVANCED options to choose which types of sizes the software should show you. You can even make your own custom setting if you use the PAPER SIZES window.