Start/End Back Tacking Selection Double tacking Single tacking Double tacking Single tacking Start Back Tacking function will be available for all Free and Constant-stitch Sewing End Back Tacking function will be available for all Free and Constant-stitch Sewing   Free Sewing  1.As the treadle is toed down,machine will start    sewing.Once the treadle returnsto neutral,machine    will stop immediately.  2.As the treadle is heeled back,the trimmer will    automatically cut the thread.   Bar Tack Sewing    Once the treadle is toed down,all the seams of    Bar Tacking will be completed with D times,and    then the thread will automatically be trimmed.   Constant-stitch Sewing   1.As the treadle is toed down,Constant-stitch Sewing E,F,G,or H     performs section by section.   2.Once the treadle returns to neutral intermediately in any one     section,the machine will stop immediately.When the treadle is toed     down again the balanced stitches of E,F,G or H goes on.   3.If the parameter【010.ACD】is set ON,the machine will not stop     and automatically go trimming at the end of the last section     E,F,G or H. Top   Stitch Setting Selection    A,B,C,D stitch setting are in range of 0 to 9.    E,F,G,H stitch setting are in range of 0 to 99.   Means A=B=C=D=4 stitches   Means E=F=15 stitches   Means G=H=15 stitches Top   Needle Up/Forward Stitch Correction  1.At the pattern of Free Sewing,one touch of    the key will correct half-stitch.  2.At the Constant-stitch Sewing, if machines stops    intermediately in one section, one touch of the    key will raise the needle to up position,if    machine stops at the end of section,one touch of    the key will correct one stitch forward.   One-Shot-Sewing Selecion    At the Constant-stitch Sewing, automatic sewing    for each section is available by one shot to the    pedal.   Trimming Selection    Setting the trimming function to be enable or    disable. Top