Pfaff creative 1473 Owner's Manual - Page 97

_-- 4 'o I tiiiiiiiiiiiiiii1 prog () I o &7& h____ Stretch buttonhole (fully automatic) zJzLzLz - ro -"- - I Sewing thread: embroidery and darning thread 18 buttonhole lengths are stored in the compu ter, from 10 to 44 mm. On program selection, a programmed buttonhole length of 22 mm and a buttonhole width of 5 mm appear in the display. Select the required length of buttonhole with stitch-length keys 7 (Fig. 1). The machine automatically sews the selected buttonhole. Before beginning the buttonhole pull the runner of the buttonhole foot fully to the front. For the fabric a following buttonholes it is best to lift little in order not to affect feeding. the The sewing speed should always be the same. Correcting a buttonhole If a buttonhole does not pressing "pattern start" turn key out well, cancel it by 26 and sew it again. Adapting the buttonhole seam lengths with the balance keys With "balance" keys 5 the left buttonhole sear length can be adapted to the right one. Sew a sample buttonhole first. Example: If the left seam is too short (Fig. 3a) Select balance +1 to +3 with key, or more required. If the left seam is too long (Fig. 3b) Select balance -t to -2 with key, or more required. • Sew the first buttonhole seam at the lengt required and • • the first bartack. With balance keys 5, "+" or "-", adjust tl' second buttonhole seam length to the first or (Figs. 3a, 3b) • Sew last bartack. The change made in this way will be mai, tamed for the following buttonholes. Changing the buttonhole width For every type of fabric, the corresponding but tonhole width can be determined up to 5.5 mm. For heavy materials select a wide buttonhole and for light keys 8, materials a narrow one. With you determine the required stitch width buttonhole width. The length of the cut changes automati cally (Fig. 4). A buttonhole width of 5mm is stored.