Mathdon, my reason for posting all this is that I have only just noticed on desktop the following error file which refers to RemoteMaster v2.03 Alpha 24d, although I don't know when it was generated.
https://www.hifi-remote.com/forums/dload ... e_id=12677
Some of the things I had been doing were setting up 6440 with alpha 24d and starting to do the same with OARUSB04G. I think I had used the same example of OAR remote before but had forgotten what configuration had been made on it, if any.
Sorry to be so vague but at some stage some errors appeared, which I cannot remember and did not understand, (possibly something about a mismatch of something which had 2 instead 3 characteristics) although I think it was while I was downoading from the OAR remote to RMIR. Two or three popups about errors appeared but I closed each one in turn until the download finished and think it contained a long list of CBL upgrades but just one CBL device and many learns, all of which I then deleted.
I had converted the working upgrades for 6440 to specify OARUSB04G instead, and then loaded them into RMIR, (which was still open after download from the physical OAR remote as above). I saved the resulting .rdf and closed RMIR but had noticed that no Special Functions tab was shown (for DSMs). I then modified the .rdf for OARUSB04G as you had advised for 6440.
When the image was opened again the Special Functions tab appeared and at first glance everything else in the OAR image looks fine, and the OAR remote seems to work ok with the rdf loaded, except for the macros and keymoves which I have not yet entered, but thought I ought at least to post the error file.