Thank you for the reply. I will try some larger values and see how they affect the speeds.
Thanks again for your efforts in developing this software package.

First a big Thank You to Jerome for all the work done to develop and refine his software.
I apologize if some of my questions may have already been asked.
I have a home built 4 axis machine using 1/2"-13 lead screws for both X and Y axis.
Stepper motors are driven by Gecko 201 micro stepping drives ...