Bernina Artista 640 User Guide - Page 36

36 Practical Stitches - Summary Adjusting Individual Practical Stitches Depending on the fabric and application an alteration of the basic settings may be necessary. Altering Stitch Width and Stitch Length • depending on the fabric it may be necessary that the stitch width or the stitch length is altered • can be altered while sewing • use stitch width or stitch length knob to make alteration Changing the Needle Position • press external Needle Position buttons to change the needle position, so stitching can be placed exactly where it is required • there are a total of 11 needle positions (5 left, 5 right, and 1 center) • keep button pressed to change needle positions quickly Securing With Quick Reverse Button (on Head Frame) • secures the seam beginning and end • press the Quick Reverse button and the sewing computer sews in reverse • release the Quick Reverse button and the sewing computer sews forwards Practical Stitch Seams Open Seams Seams where the seam allowance is pressed open • seam allowance up to 5/8" (1.5cm) • seam lies flat • seam does not stretch Suggested stitches: • straight, narrow zig-zag, super stretch, and triple zig-zag Application: • for woven fabrics • works for most types of sewing projects, including clothing, home accessories, and crafts Overlock Seams Seams which cannot be pressed open • sewn and finished in one operation • narrow seam allowances Suggested stitches: • vari-overlock, double overlock and jersey Application: • for knits and jerseys • excellent for knit clothing, lingerie, bed linens and Jersey Flat Joining Seams Seams where the edges are overlapped and then sewn • stitching is on the seam allowances Suggested stitch: • stretch-overlock Application: • particularly good for toweling and Lycra • also good for beachwear, leisure wear, and lingerie