Bernina Aurora 440QE User Guide - Page 46

46 BSR foot - Application Preparation & • it is not possible to switch to BSR mode, once a buttonhole is selected • select straight stitch first • lower the feed dog • presser foot pressure must be reduced depending on the fabric type and thickness • attach the desired presser foot sole to the BSR presser foot • removing sole: press both buttons (see arrows) on each side of the foot • slide the sole down the groove at an angle • attaching the sole: slide the sole up in the groove until it clicks into place • attach the BSR presser foot to the sewing computer and plug the cable into the green socket until it clicks into place • «BSR» blinks on the left side on the display • press the BSR button • «BSR» is visible on the display = Mode 1 (Standard) • the basic stitch length setting is 2mm • set the desired stitch length • when sewing small forms and stippling, stitch length of 1mm - 1.5mm is suggested Using the following functions in the BSR mode Needle stop down (default) • the arrow points down on the display = the sewing computer stops with needle down, when taking foot off foot control Needle stop up • press the needle stop button (arrow points up) = the sewing computer stops with needle up, when taking foot off foot control Raise or lower the needle • press the needle stop button longer - or by pressing the heel on the foot control, the needle can be lowered or raised Securing with Start-/Stop button (only mode 1) • place fabric under presser foot, then lower presser foot • press needle stop button twice to take up lower thread • hold upper and lower thread and press the Start-/Stop button to start the BSR mode • sew 5-6 securing stitches • press the Start-/Stop button to stop the BSR mode • cut the threads • press the Start-/Stop button to restart the BSR mode and continue the quilting Securing function (only mode 2) • press the «Securing function» button • press the foot control or Start - Stop - button • short securing stitch sequence will be sewn as soon as the fabric is moved under the presser foot. After the sequence is sewn the set stitch length will be activated and the securing function will be automatically deactivated & When exceeding a certain speed, adhering to regular stitch length cannot be guaranteed. Make sure that the lens on the bottom of the BSR foot is not dirty (fingerprints, etc.). Clean lens periodically with soft, slightly damp cloth. Activating/deactivating the beeper (acoustic signal) • press mode 1 or 2 long • an acoustic tone will beep indicating beeper activation • an acoustic tone beeps to indicate the sewing computer is running at maximum motor speed • sewing with min. stitch length = maximum movement of fabric under the presser foot is slower • keep mode button (1 or 2) pressed a while again to deactivate the beeper • the beeper remains as selected (on or off) when exiting the BSR mode Free hand quilting without BSR activation • press the BSR/Balance button - «BSR 1» goes off • the BSR symbol blinks on the left side on the display • normal free hand quilting can now be sewn with the BSR foot, without automatic regular stitch length 032907.52.04_1103_a430_a440_a450_EN