[. . . ] [. . . ] Both stitch length and differential feed dials can be set at any time, even while sewing. ADJUSTABLE CUTTING WIDTH Depending on the type or thickness of the material you sew, the seams may be too loose or too tight even when the tensions are correctly adjusted. In these cases, you can easily adjust the cutting width with this dial to correct the seam tension. EASY ROLLED HEM CHANGE-OVER No need to change the needle plate for rolled hemming. Just slide the needle plate setting knob to the "R" position to switch the chaining finger to that for rolled hemming. 2 Stretched edges on knit fabrics are prevented by setting the differential feed dial between 1. 0 and 2. 2. 1. [. . . ] [. . . ]