I've just uploaded an RDMU file for the Opticum AX HD51 4K sat receiver, the file should work also with the Muta@nt HD51 witch has the same hardware.
All the buttons should work, also found couple of extra features not found on the original remote.
File: https://www.hifi-remote.com/forums/dload ... e_id=25765
Aleksej
AX HD51
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