HEIDENHAIN TNC 640 (34059x-05) ISO programming - Manual (Page 482)

Manual operation and setup
15.1 Switch-on, switch-off
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TNC 640 | User's ManualDIN/ISO Programming | 1/2015
Switch-off
Deactivation is a machine-dependent function.
Refer to your machine manual.
To prevent data from being lost at switch-off, you need to shut
down the operating system of the TNC as follows:
Select the Manual Operation mode
Select the function for shutting down
Confirm with the SHUT DOWN soft key
When the TNC displays the message Now you
can switch off the TNC in a pop-up window, you
may cut off the power supply to the TNC
Caution: Data may be lost!
Inappropriate switch-off of the TNC can lead to data
loss!
The control restarts after pressing the
RESTART soft
key. Switch-off during a restart can also result in data
loss!