Stopping the Signal Processing Toolkit
If the PV‑WAVE Signal Processing Toolkit is loaded and you want to exit the Signal Processing Toolkit, perform the following procedure:
*At the  WAVE>  prompt, enter the following command to unload the PV‑WAVE Signal Processing Toolkit.
WAVE> @sigpro_unload
Unloading returns your system to the state it was in before using the Signal Processing Toolkit by doing the following three things:
*It unloads the PV‑WAVE Signal Processing Toolkit functions from memory.
*It returns the Signal Processing Toolkit license to the license manager, freeing the license up for others to use.
*And it deletes all common variables in SIGPRO_COMMON.