I bought dso-138 for $30 or so, and while it is better than nothing, the UI is terrible. Adding 5 encoders (offset, scale x, scale y, gain, trigger) would cost

I bought dso-138 for $30 or so, and while it is better than nothing, the UI is terrible. Adding 5 encoders (offset, scale x, scale y, gain, trigger) would cost maybe $2 extra but it would made it significantly better.