Marking as resolved.

That worked. In retrospect, it should have been obvious. The documentation should probably note this, rather than implying it will just magically assign the waveform to a channel, as happens in demo mode.

Thanks for your help!!!

I got a new 2206BMSO scope yesterday, and I'm trying to generate a simple sine wave. The device has no probes plugged in, but all I'm getting on channel A is a bit of noise (see pic here: https://i.imgur.com/YImNEH0.png). Any idea what I'm doing wrong, and why I don't see the nice sine wave that I s...