code: public void setRangeOfMeasuredValuesVisible(final boolean RANGE_OF_MEASURED_VALUES_VISIBLE) {
          getModel().setRangeOfMeasuredValuesVisible(RANGE_OF_MEASURED_VALUES_VISIBLE);
          init(getInnerBounds().width, getInnerBounds().height);
          repaint(getInnerBounds());
      }
docs: Enables / disables the visibility of the arc that represents the range of measured values
  @param RANGE_OF_MEASURED_VALUES_VISIBLE