At least as far as what I was trying to do. Takeover job. Customer was planning on selling house and didn't want to upgrade to HDMI. It was for a 300.1 component video switcher that had lost an output. There were plenty of unused outputs so I simply needed to move some connections and change some serial commands in a URC MSC-400. Only problem I had was the MSC was too old up upload the file, so I was to discover and test my own serial commands into the unit and completely reprogram the MSC.

Guy said the EEPROMs in those were extremely flaky and if I started sending serial commands into it, no fault of my own,there was a good chance I could brick the whole thing and there are no repairs. I ended up getting the original installation company with the URC file to come out and take that problem child right back.