Yes, quite, the MS16/26A, an example of bad user interface if I ever saw one.
However, what about the Omnifuse or that one that had the wheel thingy on the right hand end, um, err, the ....... (? sorry, it's late and my brain has slowed to a crawl).
Examples of "rotary switch interface" in infusion devices me thinks.
Ok, enough, bed time for me.............