but as an EE he's very technically inclined and said it has a lot of settings that are less than intuitive to use. Took him over a month to figure out many features
I was an EE before I retired, and also own an RS130. It’s not that hard. 🙂 Yes the manual could be better, but as with anything technical nowadays, a little searching on the maker’s forum and a question here and there can sort things out quickly enough.