rtArrayBinary.setData( getData( xValues, IS_BIG_ENDIAN ) );
final PeakListBinaryType intenArrayBinary = new PeakListBinaryType();
intenArrayBinary.setData( getData( yValues, IS_BIG_ENDIAN ) );
final SpectrumInstrument spectrumInstrument = new SpectrumInstrument();
spectrumInstrument.setMsLevel( msLevel );
final SpectrumSettingsType spectrumSettings = new SpectrumSettingsType();
spectrumSettings.setSpectrumInstrument( spectrumInstrument );
final SpectrumDescType spectrumDesc = new SpectrumDescType();