Bernina 1300MDC User Guide - Page 15

Operating instructions 15 Upper Thread Tension 3 A 5 For example: 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 Tension Needle Metallic thread approx. 3 90 Mono- filament approx. 2-4 80 The tension is factory set for the best results with Metrosene 100/2 threads (Arova Mettler, Switzerland). If other threads are used, the tension may need adjusting to suit the fabric and chosen stitch. Thread Tension Settings 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 tension 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 tension adjustment wheel to 5 - 10 CFL Sewing Light (CFL = Cool Fluorescent Light) Contrary to an ordinary bulb, the CFL sewing light has a better illumination and a longer life. Caution: Please note that a defective CFL sewing light must ONLY be replaced by an authorized technician. The sewing computer must be brought to an authorized BERNINA dealer! 031196.50.04_0507_a630_EN