HEIDENHAIN MANUALplus 620 Technical Manual page 331

4.2.2 Entering and changing machine parameters
January 2012
After pressing the CONFIG DATA soft key, the object tree for the machine
parameters is displayed.
The Parameter: line above the object tree shows the unique MP number of
the currently selected machine parameter or object folder (see "Accessing
machine parameters via MP numbers" on page 342). If the help function is
open or the table view is active, you can see the current input value next to
the MP number, as well as the parameter's unit of measure, if there is one.
The actual machine parameters with their values are located on the lowest
level of the tree.
The cursor is positioned within the tree either with the arrow keys or with the
optionally connected USB mouse.
To open a branch:
 Press the + key or ENT key or the right arrow key, or click the folder symbol
with the left mouse button
To close a branch:

Press the – key or ENT key or the left arrow key, or click the folder symbol
with the left mouse button
Double-click the parameter symbol with the left mouse button or press the
ENT key to open the editing window.
Soft keys and screen buttons can also be clicked with the mouse.
4.2 The "Machine Parameters" Mode of Operation 331