In this chapter you will become familiar with the position display unit and its controls and displays. You will also learn about the special operation and display features that make using the position displays particularly easy and convenient.

Controls and Displays, Connections Explore the controls, displays and connections interactively on the example of an ND 780       Dialog-Guided Operation Dialogs and graphic support help you with the data input       Distance-To-Go Display The distance-to-go display helps you to move to the next nominal position quickly and safely       Summary Overview of the contents of this chapter	Reference Mark Evaluation Evaluating reference marks is especially easy with HEIDENHAIN position displays       Soft Keys Soft keys provide rapid access to frequently used functions       Positioning Aid Approaching nominal positions is even more simplified and reliable with the graphic positioning aid