Pfaff 6250 Owner's Manual - Page 65

j Compensating the buttonhole seam length with the balance key (8) A further correction possibility is offered by the balance key. With this you can also correct uneqUally long buttonhole seams. If the left seam is too short (Fig. a) push the slide key to the right The farther you move the slide key right. the more reverse stitches the machine sews, i.e. the left seam will automatically be made longer. If the left seam is too long (Fig. b). push the slide key to the left The farther you move the slide key left the fewer reverse stitches the machine sews, i.e. the left seam will automdtically be made shorter. Programmable linen buttonholes In program 71 you can determine the length, weflh and density of the buttonhole yourself, Push the buttonhole slide fully to the front. - - Sew the righthand seam at the required length Press the 'buttonhole' key (3). Now the madiiiw - sews the first bartack and the second buttoilllol4 seam. Shortly before the second bartack thi machine sews autoanitically slower. - As soon as the two buttonhole seams are Hi same length, press key (3) again. The macbite now sews the second buttonhole seam and secures it autotnaticall. The buttonhole length is now stored. All fuifi ii buttonholes are now sewn automatically at Us length You can cancel the saved length by po ' the clear key.