What are the relationships between the settings? How do they affect each other?


There are definite correlations between settings:

The needle positioning speed (Page 2.) determines the overall speed of the control. It affects ALL the other settings. The purpose of this is to provide an easy adjustment if the quilt thickness changes considerably. E.g. if you have the machine set up for a very light quilt sandwich, the take-up lever positions will change (get lower), if you switch to a much thicker, denser quilt. Instead of tweaking the needle positions, the needle positioner speed needs to be increased, until the take-up lever position gets back to the desired level. When switching back to lighter quilt, the needle positioning speed needs to be decreased until the take-up lever comes back down to the proper level.

The proper needle positioning speed setting for a given quilt will make the second (pull-up) phase of the needle up positioning just noticeable.

  • The regulated stitch speed affects the needle return position (Page 10) only. Higher speed will cause the needle return position to go higher, PLUS makes the position less consistent. The regulated stitch speed affects the stitch length regulation: faster stitch will result in better regulation. On the other hand, too fast speed will warm up the motor sooner. The optimum is when the speed is just high enough to provide good stitch regulation below the 2"/sec arm moving speed limit, but not too high to warm up the motor. To optimize the setting, start with a low speed, then increase it by one or two steps at a time, go back to quilting mode and try if the regulation is OK. If longer stitches occur on straight lines or smooth curves while moving the arm faster, but always under the 2"/sec limit, go back to setup mode and increase the speed by another step. To test the regulation, always move the arm in straight lines or smooth curves.
  • The behavior of the regulator around points is affected by the coasting setting (Page 5). If long stitches occur coming out of points, the coasting needs increasing. If the stitches pile up going into points, the coasting needs decreasing. Note that there is no coasting in Precision Mode, you need to use the slow down/ gradually accelerate arm moving method when in PQ mode.

The regulated stitch speed slightly affects the coasting. Higher speed will cause more coasting, so after changing the regulated stitch you need to check whether the coasting is at the right level.

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