const float AnalogSignal::EnvelopeThreshold = 64.0f;
const int AnalogSignal::MaximumVDivs = 10;
-const int AnalogSignal::MinScaleIndex = -6;
-const int AnalogSignal::MaxScaleIndex = 7;
+const int AnalogSignal::MinScaleIndex = -6; // 0.01 units/div
+const int AnalogSignal::MaxScaleIndex = 10; // 1000 units/div
const int AnalogSignal::InfoTextMarginRight = 20;
const int AnalogSignal::InfoTextMarginBottom = 5;