HEIDENHAIN TNC 620 (73498x-02) ISO programming - Manual (Page 384)

Manual operation and setup
14.1 Switch-on, switch-off
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TNC 620 | User's Manual for DIN/ISO Programming | 5/2013
Switch-off
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
again with the YES soft key
When the TNC displays the message NOW IT IS
SAFE TO TURN POWER OFF 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!
Remember that pressing the END key after the
control has been shut down restarts the control.
Switch-off during a restart can also result in data
loss!