This is the bobbing I was talking about. It's dumb for me to even be talking about it yet since I haven't even done a basic comparison check on some other reference yet.
https://youtu.be/b9jAYsfTOzQ And here's another look at a different signal hooked up a different way. Here, I have the ground ref hooked to the gnd pin 20 on the 8085, NOT the chassis ground. And CH4 is on pin 18, AD6. The offsets, trigger, and vertical scales are all visible on-screen. https://photos.app.goo.gl/mel4CKym2EtcV1352 https://photos.app.goo.gl/K1AIj3Pmt15xXfR72 -- bkw
