Oristo wrote,
"Guess what? I had been using only 2 traces.
When I add the other 2, THOSE PNG TRACE COLORS DO NOT MATCH THE DISPLAY
Magenta traces on nanoVNA display is green in PNG"
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My battery icon is also red orange (see attachment). I also believe the NanoVNA's color mapping is not intuitive and it is a credit to programmers like QRP that they have been able to produce any workable solution at all (Maybe C# makes it easier). It seems any kind of major display change (2 to 4 trace, On screen keyboard, Version screen) throws things out of kilter and makes you re-think things. Timing on the serial transfers also requires different ways of looking at things such as your serial read routine for ensuring you actually have received a full screen.
I've learned more about Python by following your scripting and trying to tweak things for my display than reading my books on the language.
- Regards,
Herb