Bernina Aurora 440QE User Guide - Page 36

36 Practical stitches - Application Securing stitch (straight stitch) 5 Stitch: Securing stitch No. 5 Needle: size and type suitable for the fabric selected Thread: cotton or polyester Feed dog: up Presser foot: 430 / 440 QE: Reverse pattern foot No. 1 450: Reverse pattern foot No. 1C Securing stitch • for all fabrics • secures beginning and end of seam Sewing long seams • quicker securing at beginning and end of seam • exact, regular and safe securing in all fabrics Seam end • press the Quick reverse button on head frame; the sewing computer secures automatically (5 stitches reverse, 5 stitches forward) • the sewing computer stops automatically when securing is complete Seam begin • the sewing computer secures seam automatically (5 stitches forward, 5 stitches reverse) • continue with straight stitch forward Darning program Stitch: Needle: Thread: Feed dog: Presser foot: 430: Darning program No. 18 440 QE: Darning program No. 20 450: Darning program No. 22 size and type suitable for the fabric selected darning thread up Automatic buttonhole foot No. 3A 430 / 440 QE: Reverse pattern foot No. 1 450: Reverse pattern foot No. 1C Quick darning of holes or worn areas Replaces threads with the grain in all fabrics. Preparation • stretch fabric into darning hoop; prevents puckering Move project accordingly for a wider and/or longer darning area. Darning with Reverse pattern foot No. 1C, No. 1 (automatic stitch count) • insert the needle in the top left of the worn area • sew the first vertical row and stop the sewing computer • press the quick reverse button on head frame (length is programmed) • complete the Darning program, the sewing computer stops automatically • clear the program by pressing the «clr» button Reinforcement • use fine fabric or interlining as a backing Darning with the Automatic buttonhole foot with slide No. 3A • only for small tears and worn areas for a darn of maximum 1 1/2" (3cm) in length • same procedure as with foot No. 1C, No.1 Corrections of the automatic darning area • if the darning becomes distorted, correct with the Balance (see page 22 for more information on the Balance function) 032907.52.04_1103_a430_a440_a450_EN