By the way my code work in progress is here:
https://create.arduino.cc/editor/tfabris/38e25c63-7a46-4939-8d7b-b8db19bf91fd/preview

This is totally not done and I haven't even tested it against the empeg yet (my RS-232 shield arrives tomorrow). But I'll keep updating it as I go along. That link theoretically will update with all my latest code changes.
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Tony Fabris