HEIDENHAIN iTNC 530 Service Manual page 222

Functional test
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Place the cursor on the latest service pack (e.g., 340490.001 SP 2).
Press the SELECT soft key.The service pack is automatically archived on the SYS partition
of the iTNC 530. The service pack is now loaded and the control restarts automatically.
Check the NC software version incl. related service pack. --> Press the MOD key.
Finally, check the machine functions!
HEIDENHAIN Service Manual iTNC 530