HEIDENHAIN iTNC 530 Service Manual page 217

When the NC software has been successfully installed, the following message is displayed:
Click OK. --> The control reboots!
If a service pack was active on the machine (what you have noted down), you must now load
it in the same way as the NC software before.
Check the NC software version incl. related Service Pack. --> Press the MOD key.
Finally, check the machine functions!
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