If one of the switches double or single is switched on, underlayer are calculated automatically in the punched area. 


If the single-switch is chosen, one layer of step stitches is calculated in the specified angle to the covering stitches. If the covering stitches are wavy or turned, the line between the first and last stitch direction point is taken as the stitch direction and the underlayer will have the specified angle to this line. 


If the double-switch is chosen two crossing layers of underlayer are calculated. The first has the specified angle to the covering stitches and the second 90° to it.


If the switch stitch division has not been activated, the defined stitch length will be ignored and the underlayer is not divided.


The parameter contour distance defines the distance from the underlayer to the areas outer contour.


At the small sides of the automatic it might be desirable, that the underlayer lie closer to the border than on the long sides. This distance can be defined in the value contour distance at end directions. 


The parameter stitch length defines the length of the single step stitches in mm under the condition that the switch stitch division has been activated.


The parameter stitch direction describes the angle between underlayer and covering stitches


The distance defines the distance between the underlayer step  stitch lines.


The swing value causes a shifting of the stitch points above and below the stitch line. The value of the shifting is varied by chance up to the defined number of increments (in mm). So the points where the needle puts in are not exactly on a straight line, but a little bit “blurred”. So it can be prevented at knitwear that the needle sticks into the stitches.


Around narrow curves or corners it might not be desireable, that the underlayer turn around this corner ( see right picture). With the parameter special treatment at bend you can define, from which bend the underlayer should be calculated as overlapping corner like in the left picture.

 

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