Bernina 380 User Guide - Page 40

40 Sewing stitches - Buttonholes Automatic Keyhole Buttonhole with Auto-Length Automatic buttonhole foot with slide No. 3A Automatic keyhole buttonhole Programming the buttonhole 1. sew the straight stitch forward, stop the sewing computer █ press the Quick reverse button «auto» and presser foot no. 3A appear on the screen = buttonhole length is 1 programmed. 2. the sewing computer automatically sews the eye 3. the first bead in reverse 4. straight stitches forwards 5. the second bead in reverse 2 3 4 5 6 6. the bartack and securing stitches █ the sewing computer stops and returns automatically to buttonhole begin Auto-buttonhole █ all subsequent buttonholes will be sewn to exactly the same length (no need to press the Quick reverse button) █ clear the program by pressing the «clr» button █ the programmed buttonhole can be saved in the long-term memory (refer to page 42) Exact duplicates The auto function ensures that each buttonhole will be exactly the same length as the previous one. Double-sewn keyhole buttonholes █ keyhole buttonholes can be sewn twice on thick fabrics - use a longer stitch length for the first run █ after sewing the first buttonhole, do not move the work █ reduce the stitch length and tap the foot control once to begin sewing again 033301.70.04_1007_B330_B350_B380_EN