148 HEIDENHAIN Technical Manual MANUALplus 620
The control now starts to install the new firmware on the HSCI devices. This
procedure is displayed with the following dialog box:
Never shut down the control while a firmware update is running—
otherwise the control will require servicing!
After the update is finished, the control displays another message on the
screen. After you have acknowledged the message, the control will shut
down automatically. Switch off the machines and restart the control.