Hi
I'm newbie on mach4 Hobby
I use mach4 on ESS 
Now my lathe use servo motor to run spindle with function OB (Out of Band = step/dir signal on ESS to drive spindle)  And some time I want to change it's to C axis to move in radius too .
I want switch between Spindle  and C Axis  control on 1 motor .
how to do it ?
srry i'm poor language.
Thank you
Asis,