diff --git a/src/classes/PStartupHandler.cpp b/src/classes/PStartupHandler.cpp
index 150d5212..d639031b 100644
--- a/src/classes/PStartupHandler.cpp
+++ b/src/classes/PStartupHandler.cpp
@@ -73,6 +73,18 @@ PStartupHandler::~PStartupHandler()
 void PStartupHandler::OnStartDocument()
 {
   fKey = eEmpty;
+
+  // init fourier default variables
+  fFourierDefaults.fFourierBlockPresent = false;
+  fFourierDefaults.fUnits = FOURIER_UNIT_FIELD;
+  fFourierDefaults.fFourierPower = 0;
+  fFourierDefaults.fApodization = FOURIER_APOD_NONE;
+  fFourierDefaults.fPlotTag = FOURIER_PLOT_REAL_AND_IMAG;
+  fFourierDefaults.fPhase = 0.0;
+  fFourierDefaults.fRangeForPhaseCorrection[0] = 0.0;
+  fFourierDefaults.fRangeForPhaseCorrection[1] = 0.0;
+  fFourierDefaults.fPlotRange[0] = 0.0;
+  fFourierDefaults.fPlotRange[1] = 0.0;
 }
 
 //--------------------------------------------------------------------------
@@ -104,6 +116,16 @@ void PStartupHandler::OnStartElement(const char *str, const TList *attributes)
     fKey = eMarker;
   } else if (!strcmp(str, "color")) {
     fKey = eColor;
+  } else if (!strcmp(str, "units")) {
+    fKey = eUnits;
+  } else if (!strcmp(str, "fourier_power")) {
+    fKey = eFourierPower;
+  } else if (!strcmp(str, "apodization")) {
+    fKey = eApodization;
+  } else if (!strcmp(str, "plot")) {
+    fKey = ePlot;
+  } else if (!strcmp(str, "phase")) {
+    fKey = ePhase;
   }
 }
 
@@ -133,7 +155,7 @@ void PStartupHandler::OnCharacters(const char *str)
   TObjArray  *tokens;
   TObjString *ostr;
   TString    tstr;
-  Int_t      color, r, g, b;
+  Int_t      color, r, g, b, ival;
 
   switch (fKey) {
     case eDataPath:
@@ -208,6 +230,68 @@ void PStartupHandler::OnCharacters(const char *str)
       // add the color code to the color list
       fColorList.push_back(color);
       break;
+    case eUnits:
+      tstr = TString(str);
+      if (!tstr.CompareTo("gauss", TString::kIgnoreCase)) {
+        fFourierDefaults.fUnits = FOURIER_UNIT_FIELD;
+      } else if (!tstr.CompareTo("mhz", TString::kIgnoreCase)) {
+        fFourierDefaults.fUnits = FOURIER_UNIT_FREQ;
+      } else if (!tstr.CompareTo("mc/s", TString::kIgnoreCase)) {
+        fFourierDefaults.fUnits = FOURIER_UNIT_CYCLES;
+      } else {
+        cout << endl << "PStartupHandler **WARNING** '" << str << "' is not a valid unit, will ignore it.";
+        cout << endl;
+      }
+      break;
+    case eFourierPower:
+      tstr = TString(str);
+      if (tstr.IsDigit()) {
+        ival = tstr.Atoi();
+        if ((ival >= 0) && (ival <= 20)) {
+          fFourierDefaults.fFourierPower = ival;
+        } else {
+          cout << endl << "PStartupHandler **WARNING** fourier power '" << str << "' is not a valid number (0..20), will ignore it.";
+          cout << endl;
+        }
+      } else {
+        cout << endl << "PStartupHandler **WARNING** fourier power '" << str << "' is not a valid number (0..20), will ignore it.";
+        cout << endl;
+      }
+      break;
+    case eApodization:
+      tstr = TString(str);
+      if (!tstr.CompareTo("none", TString::kIgnoreCase)) {
+        fFourierDefaults.fApodization = FOURIER_APOD_NONE;
+      } else if (!tstr.CompareTo("weak", TString::kIgnoreCase)) {
+        fFourierDefaults.fApodization = FOURIER_APOD_WEAK;
+      } else if (!tstr.CompareTo("medium", TString::kIgnoreCase)) {
+        fFourierDefaults.fApodization = FOURIER_APOD_MEDIUM;
+      } else if (!tstr.CompareTo("strong", TString::kIgnoreCase)) {
+        fFourierDefaults.fApodization = FOURIER_APOD_STRONG;
+      } else {
+        cout << endl << "PStartupHandler **WARNING** '" << str << "' is not a valid apodization, will ignore it.";
+        cout << endl;
+      }
+      break;
+    case ePlot:
+      tstr = TString(str);
+      if (!tstr.CompareTo("real", TString::kIgnoreCase)) {
+        fFourierDefaults.fPlotTag = FOURIER_PLOT_REAL;
+      } else if (!tstr.CompareTo("imag", TString::kIgnoreCase)) {
+        fFourierDefaults.fPlotTag = FOURIER_PLOT_IMAG;
+      } else if (!tstr.CompareTo("real_and_imag", TString::kIgnoreCase)) {
+        fFourierDefaults.fPlotTag = FOURIER_PLOT_REAL_AND_IMAG;
+      } else if (!tstr.CompareTo("power", TString::kIgnoreCase)) {
+        fFourierDefaults.fPlotTag = FOURIER_PLOT_POWER;
+      } else if (!tstr.CompareTo("phase", TString::kIgnoreCase)) {
+        fFourierDefaults.fPlotTag = FOURIER_PLOT_PHASE;
+      } else {
+        cout << endl << "PStartupHandler **WARNING** '" << str << "' is not a valid plot option, will ignore it.";
+        cout << endl;
+      }
+      break;
+    case ePhase:
+      break;
     default:
       break;
   }
diff --git a/src/include/PStartupHandler.h b/src/include/PStartupHandler.h
index 302f4712..4d622484 100644
--- a/src/include/PStartupHandler.h
+++ b/src/include/PStartupHandler.h
@@ -58,19 +58,22 @@ class PStartupHandler : public TObject, public TQObject
 
     virtual void CheckLists();
 
+    virtual const PMsrFourierStructure* GetFourierDefaults() const { return &fFourierDefaults; }
     virtual const PStringVector GetDataPathList() const { return fDataPathList; }
     virtual const PIntVector    GetMarkerList() const { return fMarkerList; }
     virtual const PIntVector    GetColorList() const { return fColorList; }
 
   private:
     enum EKeyWords {eEmpty, eComment, eDataPath,
+                    eFourierSettings, eUnits, eFourierPower, eApodization, ePlot, ePhase,
                     eRootSettings, eMarkerList, eMarker, 
                     eColorList, eColor};
     EKeyWords       fKey;
 
-    PStringVector   fDataPathList;
-    PIntVector      fMarkerList;
-    PIntVector      fColorList;
+    PMsrFourierStructure fFourierDefaults;
+    PStringVector        fDataPathList;
+    PIntVector           fMarkerList;
+    PIntVector           fColorList;
 
   ClassDef(PStartupHandler, 1)
 };
diff --git a/src/musrfit_startup.xml b/src/musrfit_startup.xml
index 8d83b4e7..04bef1da 100644
--- a/src/musrfit_startup.xml
+++ b/src/musrfit_startup.xml
@@ -6,6 +6,13 @@
     </comment>
     <data_path>/mnt/data/nemu/his</data_path>
     <data_path>/mnt/data/nemu/wkm</data_path>
+    <fourier_settings>
+        <units>Gauss</units>
+        <fourier_power>0</fourier_power>
+        <apodization>none</apodization>
+        <plot>real_and_imag</plot>
+        <phase>0.0</phase>
+    </fourier_settings>
     <root_settings>
         <marker_list>
             <!-- Root marker numbers -->
@@ -38,4 +45,4 @@
             <color>156,48,0</color>
         </color_list>
     </root_settings>
-</musrfit>
\ No newline at end of file
+</musrfit>