Sleepyhead graphs question

Some erroneous data appeared where my “flow rate” peaked at over 3900! (Why this occurred is obviously a big question, but for now I need to resolve the after-effects.)

Problem: ever since that data was recorded, the “Flow Rate” graph (in the daily view) has been altered and now shows a range from -3900 to +3900! (Making it useless)

I thought that there was (is?) a way to set the calibration/range in each of the graphs, but for some reason I can’t seem to find it anymore. Could anyone please advise me on where to look to make the adjustments? (I’ve looked at the “Preferences” / “Graphs” tab, but all values there are 0.0, and I’m not sure what the defaults should be.)

Thanks in advance for any help!

I don't know. I've seen that happen too. That's why I also use ResScan.
Bump to see if you get a solution.