Unit 1 Basic Knowledge of CNC Machine Operation Lesson 1 Basic Structure of Modem CNC Machine Lesson 2 The Program Editing Panel Lesson 3 Inputting a Program Lesson 4 The Machine Operation Panel Lesson 5 Manual Operation Unit 2 Safety Precautions Lesson 1 How to Do Before Machining a Workpiece (I) Lesson 2 How to Do Before Machining a Workpiece (II) Lesson 3 The Definition of Programming Safety Precautions Lesson 4 The Definition of Waming (I) Lesson 5 The Definition of Warning (II) Lesson 6 The Definition of Warning (III) Lesson 7 Warnings and Cautions Related to Programming Lesson 8 Warnings and Cautions Related to Handing Lesson 9 Warnings Related to Daily Maintenance Unit 3 Interpolation Function Lesson 1 Continuous Thread Cutting Lesson 2 Multiple——Thread Cutting Lesson 3 Skip Function Unit 4 Feed Function Lesson 1 General Feed Function Lesson 2 Rapid Traverse Lesson 3 Cutting Feed Lesson 4 Dwell (G04) Format Unit 5 Coordinate System Lesson 1 Machine Coordinate System Lesson 2 Workpiece Coordinate System Lesson 3 Local Coordinate System Lesson 4 Plane Selection Unit 6 Spindle Speed Function Lesson 1 Specifying the Spindle Speed With a Code Lesson 2 Constant Surface Speed Control (G96, G97) Format (I) Lesson 3 Constant Surface Speed Control (G96, G97)Format (II) Lesson 4 Spindle Speed Fluctuation Detection Functioa(G25,G26) Lesson 5 Spindle Positioning With a Semi-fixed Angle