Interpreter files to specific CNC system have the SNCI (*.snci) extension. There is a unique tuning file for each CNC system. Tuning file contains all data regarding the CNC unit and subprograms of machining programs processing. The configuration file contains information about the CNC system and a link to the software library that implements the interpretation of the NC program into a set of machining commands for this system.
Interpreter files can be placed inside encrypted zip-containers with the .stfc extension.