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Programmable, automatic material thickness detection with two values within one shoulder pad 
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Knee switch for manual activating the stitch loosening device, the 2 nd stitch length and the 2nd foot stroke 
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Switchable 2nd thread tension, 2nd foot stroke and 2nd stitch length for the adaptation of the machine to the different material thickness 
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Secured sewing start with low thread tension by means of 2  thread tension and stitch condensing 
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Switchable fullness in the upper or lower material ply by push-button 
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Intergrated 6-function key bar with ergonomically arranged favourite key for quick access 
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Max. 9 mm stitch length (depending on the sewing equipment) 
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Modern, reliable and network-capable Dürkopp Adler control technology with “DAC classic”& amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; amp; lt; /strong> 
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No manual greasing required – central minimum oil wick lubrication with warning light for oil deficiency (option) 
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Large three-piece vertical hook (26 mm) with 60% higher bobbin thread capacity enables a reduced bobbin change 
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Automatic winding aid for clean and safe bobbin winding 
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Integrated LED light as standard 
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Max. sewing speed of 1.800 stitches/min. (the Maximum number of stitches depends on the use of the stitch 
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loosening device) 
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Automatically or manually switchable stitch loosening device for a “soft” shoulder pad 
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Stitch loosening finger (long and short version) to adapt the thread quantity to the thickness of the shoulder pad 
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Edge trimmer for perfectly trimmed excess lengths of lining and shoulder pads (only at 680) 
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Slide-on table to improve the handling of the material 
- Pneumatic sewing foot lift