System variables are used to set default values or special conditions. For example, the keyword NCodeIncrement sets the value to increment the sequence (N) number on each line of NC code. Other system variables correspond to settings in ESPRIT. For example, ToolDiameter returns the value set for Tool Diameter on the tool technology page. And some system variables are used to call special functions or conditions. For example, some machines cannot have spaces in the NC code. The system variable RemoveSpaces provides this function.A, B, CD, E, FG, IL, M, NO, PRSTU, V, WXYZ