HEIDENHAIN ND 780 Handbuch Seite 225

To export data from the ND 780 to a PC, the PC must first be made
ready to receive the data to save it to a file. Setup the terminal
communication program to capture ASCII text data from the COM port
to a file on the PC. After the PC is ready to receive, start the data
transfer by pressing the ND 780's IMPORT/EXPORT soft key.
To import data into the ND 780 from a PC, the ND 780 must first be
made ready to receive the data. Press the ND 780's IMPORT/EXPORT
soft key. After the ND 780 is ready, setup the terminal
communications program on the PC to send the desired file in ASCII
text format.
The ND 780 does not support communication protocols
such as Kermit, or Xmodem.
ND 780
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