Heidenhain TNC 131 Control Point to Point Straight Cut Operating Manual 1980 I received this manual when I bought a horizontal mill with Heidenhain controls. I have converted it to a Centroid control and I no longer need it. Table Of Contents: 1. Introduction 2. Initial Starting Procedures for TNC 131 Operation 3. Switching on TNC Again and Setting Datum 4. Programming 5. Auto Manual Positioning of Machine 6. Program Check 7. Program Editing 8. Program Run 9. Interruption or Discontinuation of Program Run 10. Automatic Fault/Error Diagnosis 11. Data I/O 12. Technical Specs 13. Programming Examples Copyright: 1980 Dimensions: 8.5″ x 11.75″ x .25″ Weight: .5 lb. It is (+/-) 63 Pages, seems complete and in generally GOOD used condition! Please See Pictures For More Details I strive to receive 5 Star Feedback FREE SHIPPING! To lower 48 United States – Alaska, Hawaii, Puerto Rico some items are NOT FREE. Please contact for a shipping quote. International shipping is available. International shipping is not free.