Protecting and erasing programs in $mdi – HEIDENHAIN TNC 640 (34059x-02) ISO programming User Manual
Page 503

Programming and executing simple machining operations 16.1
16
TNC 640 | User's Manual for DIN/ISO Programming | 5/2013
503
Protecting and erasing programs in $MDI
The $MDI file is generally intended for short programs that are
only needed temporarily. Nevertheless, you can store a program, if
necessary, by proceeding as described below:
Select the Programming and Editing mode of
operation
To call the file manager, press the PGM MGT key
(program management).
Move the highlight to the $MDI file
Select "Copy file": Press the COPY soft key
DESTINATION FILE =
Enter the name under which you want to save the current
contents of the $MDI file, e.g.
HOLE.
Copy the file
Close the file manager: Press the END soft key
For more information: See "Copying a single file", page 109.