Quote Originally Posted by Jonathan View Post
Just use microstepping to increase the frequency. You'll loose incremental torque, but that most likely doesn't make any difference as you're only interested in the coarser steps.
Kudos again to Jonathan, I'm using 1/4 microstepping and sending four pulses to move a step. Works like a treat, no jumping, glitching, random movements.

Regards,
dsc.