Instruction manual
Instruction Manual 
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6.6  End ornamental backtack  29 
6.7  Multiple backtack  29 
6.8  Catch backtack  30 
6.9  Triple end backtack  30 
6.10  Intermediate backtack/Intermediate ornamental backtack  30 
6.11  Backtack suppression / recall  31 
6.12  Holding Power of the Stitch Regulator Solenoid  31 
6.13  Reverse motor rotation  31 
6.14  Machine run blockage  32 
6.14.1  Run block (block 1 and 2)  32 
6.14.2  Machine run block function 1 (safety function) parameter 283 = 1  32 
6.14.3  Machine run block function 2 (safety function) parameter 283 = 2  33 
6.15  Bobbin thread monitor  34 
6.15.1  Input signals  34 
6.15.2  Bobbin thread monitor function off (parameter 195 = 0)  34 
6.15.3  Bobbin thread monitor without stop / sewing foot down after seam end 
(parameter 195 = 1)  34 
6.15.4  Bobbin thread monitor with stop / sewing foot up after seam end (parameter 195 = 2)  34 
6.15.5  Bobbin thread monitor with stop / sewing foot down after seam end (parameter 195 = 3) 35 
6.15.6  Bobbin thread monitor with stitch counting (Parameter 195 = 4)  35 
6.16  Needle cooling / undercutter  36 
6.17  Function modules for outputs A / B / C  36 
6.17.1  Function module A - no function  36 
6.17.2  Switch stitch length (Function module A)  37 
6.17.3  Single stitch with short stitch length(Function module A)  37 
6.17.4  Lift / lower transport roller (Function module A)  37 
6.17.5  Lift / lower material stop (Function module A)  39 
6.17.6  Second thread tension (Function module A)  39 
6.17.7  Edge trimmer manual (Function module A)  40 
6.17.8  Edge trimmer automatic (Function module A)  40 
6.17.9  Sewing foot high lift (Function module A)  42 
6.17.10  Sewing foot pressure reduction (Function module A)  43 
6.17.11  Handwheels in direction of rotation (Function module A)  43 
6.17.12  Handwheel run against direction of rotation (Function module A)  43 
6.17.13  Backtack suppression / backtack call (Function module A)  44 
6.17.14  Single stitch backwards with stitch length switch(Function module A)  44 
6.17.15  Speed limitation DB2000 (Function module A)  44 
6.18  Function modules for outputs B and C  44 
6.19  Speed limitation  44 
6.19.1  Speed limitation DB2000/DB3000  44 
6.19.2  Analogous speed limitation  45 
6.19.3  Analog speed limitation with Speedomat  45 
6.19.4  Setting the Speed Limitation Depending on High Lift with the V820/V850 Control Panel  45 
6.19.5  Setting the Speed Limitation Depending on High Lift with the V810 Control Panel  46 
6.20  Thread trimming operation  47 
6.20.1  Thread trimmer  47 
6.21  Thread tension release  47 
6.21.1  Coupling of sewing foot, thread tension release, and thread tension reduction.  48 
6.21.2  Coupling of thread tension reduction, high lift for walking foot, and Speedomat  48 
6.22  Speed-dependent thread tension  48 
6.23  Thread wiper/Short trimmer  49 
6.24  Thread clamp  49 
6.24.1  Thread clamp and sewing foot pressure reduction  49 
6.24.2  Coupling of thread clamping with sewing foot lifting  49 
6.25  Seam with Stitch Counting  50 
6.25.1  Stitches for stitch counting  50 
6.25.2  Stitch Counting Speed  50 
6.25.3  Seam with Stitch Counting When Light Barrier Is On  50 
6.26  Plugging  51 










