Bernina Activa 210 User Guide - Page 17

Thread tension 3 A 5 Operating instructions 17 The basic setting • is indicated when the red line on the tension adjustment wheel is in line with the marking A • the tension does not need adjusting for normal sewing work • for special sewing work, the tension can be adjusted to suit the fabric The tension is factory set for the best results. Metrosene 100/2 (Arova Mettler, Switzerland) is used to set both the upper and lower thread tension. If other sewing or embroidery threads are used, the tension may need adjusting to suit the fabric and chosen stitch. Perfect stitch formation • the stitch formation is in the fabric Upper thread tension too tight • the lower thread is pulled more to the right side of the fabric • to reduce the upper thread tension turn ten- sion adjustment wheel to 3-1 Upper thread tension too loose • the upper thread is pulled more to the wrong side of the fabric • to increase the upper thread tension turn ten- sion adjustment wheel to 5-10 For example: Tension Metallic thread approx. 3 Monofilament approx. 2-4 032622.50.04_0701_a210_EN