Post-Processor Choice

Hi
I have the 4th axis module for a Stepcraft 420 and am using VCarve Pro 8.5 to generate toolpaths.
Which post-processor should I select to save the toolpaths for running via UCCNC USB 100?
Thanks
Ken
I have the 4th axis module for a Stepcraft 420 and am using VCarve Pro 8.5 to generate toolpaths.
Which post-processor should I select to save the toolpaths for running via UCCNC USB 100?
Thanks
Ken