VEVOR FLM-R30-FT Mode D'emploi page 400

means the
marking direction of the spiral lines
different type of spiral
Inside tight Average Outside tight
Pen NO: marking pen number
Min Radius:the most inside circle diameter
Min Spiral Pitch: min spiral distance on the middle warp
Max Spiral Pitch: max spiral distance on the middle warp
Spiral pitch Inc: increment of the spiral pitch
Outside Edge Numloops: marking times of outside circle
Inside Edge Numloops: marking time of inside circle
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