Novusun CNC NVCM Series Manual page 22

See as Figure 4-5 ， Click the sub-menu "ports and pins" of menu "Config" into Port Settings
dialog box.
The sub-pages you need to set include "Motor Outputs", "Input Signals", "Output Signals"
and "Spindle Setup". First Click to enter "Motor Outputs". This page is to select the stepper motor
control pin. Because our usbmach3 interface board stepper motor signals are fixed, So here only
need to Select, no need to select the specific pin. See as Figure4-7
Manual of NVCM
Figure4-5. Port setting intry
Figure4-6. Pin&Port Dialog
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