<root>
  <QualifyValue>
    <HH>1.0</HH><HV>2.0</HV><VH>NULL</VH><VV>4.0</VV>
  </QualifyValue>
  <CalibrationConst>
    <HH>10.0</HH><HV>20.0</HV><VH>30.0</VH><VV>40.0</VV>
  </CalibrationConst>
</root>
