diff --git a/uppsrc/ScatterCtrl/Properties.cpp b/uppsrc/ScatterCtrl/Properties.cpp
index 7c22208cb..a116dd63b 100644
--- a/uppsrc/ScatterCtrl/Properties.cpp
+++ b/uppsrc/ScatterCtrl/Properties.cpp
@@ -483,7 +483,9 @@ ProcessingTab::ProcessingTab()
 	tabFreq.butFFT.WhenAction = THISBACK(OnFFT);
 	tabFreq.opXAxis = 0;
 	tabFreq.opXAxis.WhenAction = THISBACK(OnFFT);
-	tabFreq.opPhase.WhenAction = THISBACK(OnFFT);
+	tabFreq.type.WhenAction = THISBACK(OnFFT);
+	tabFreq.type = 0;
+	tabFreq.setWindow.WhenAction = THISBACK(OnFFT);
 	
 	tabFit.opSeries = true;
 	tabFit.opSeries.WhenAction = THISBACK(OnOp);
@@ -496,6 +498,7 @@ ProcessingTab::ProcessingTab()
 	tabFit.opMax.WhenAction = THISBACK(OnOp);
 	tabFit.opMin.WhenAction = THISBACK(OnOp);
 	tabFit.opMovAvg.WhenAction = THISBACK(OnOp);
+	tabFit.opSecAvg.WhenAction = THISBACK(OnOp);
 	tabFit.width.WhenLostFocus = THISBACK(OnUpdateSensitivity);
 	tabFit.width.WhenAction = THISBACK(OnUpdateSensitivity);
 	
@@ -575,6 +578,7 @@ void ProcessingTab::OnOp()
 	tabFit.scatter.ScatterDraw::Show(7, tabFit.opMax);
 	tabFit.scatter.ScatterDraw::Show(8, tabFit.opMin);
 	tabFit.scatter.ScatterDraw::Show(9, tabFit.opMovAvg);
+	tabFit.scatter.ScatterDraw::Show(10, tabFit.opSecAvg);
 	
 	UpdateEquations();
 	OnShowEquation();
@@ -654,6 +658,7 @@ void ProcessingTab::UpdateField(const String _name, int _id)
 		tabFit.scatter.AddSeries(lowerEnvelope).Legend(pscatter->GetLegend(id) + String("-") + t_("Min"))
 						.NoMark().Dash(LINE_DASHED).SetSequentialX(true);
 		tabFit.scatter.AddSeries(movAvg).SetDataThickness(1.5).Legend(pscatter->GetLegend(id) + String("-") + t_("MovAvg")).NoMark();		
+		tabFit.scatter.AddSeries(secAvg).SetDataThickness(1.5).Legend(pscatter->GetLegend(id) + String("-") + t_("SecAvg")).NoMark();		
 					
 		OnOp();
 	} else {
@@ -667,6 +672,7 @@ void ProcessingTab::UpdateField(const String _name, int _id)
 		tabFit.opMax.Enable(false);
 		tabFit.opMin.Enable(false);
 		tabFit.opMovAvg.Enable(false);
+		tabFit.opSecAvg.Enable(false);
 	}
 	
 	Show();	
@@ -701,7 +707,13 @@ void ProcessingTab::OnUpdateSensitivity()
 		movAvg = data.MovingAverageY(tabFit.width);
 		refresh = true;
 	}
-	
+	if (tabFit.opSecAvg && newWidthMovAvg != tabFit.width) {
+		newWidthMovAvg = tabFit.width;
+		
+		secAvg = data.SectorAverageY(tabFit.width);
+		refresh = true;
+	}
+		
 	if (refresh)
 		tabFit.scatter.Refresh();
 }
@@ -839,7 +851,7 @@ void ProcessingTab::OnFFT()
 			resampledSeries << orderedSeries[orderedSeries.GetCount() - 1].y;
 	
 		VectorY<double> series(resampledSeries, 0, samplingTime);
-		fft = series.FFTY(samplingTime, tabFreq.opXAxis == 1, tabFreq.opPhase);
+		fft = series.FFTY(samplingTime, tabFreq.opXAxis == 1, tabFreq.type, tabFreq.setWindow);
 	}
 	if (fft.IsEmpty()) {
 		tabFreq.comments.SetText(errText);
@@ -847,7 +859,13 @@ void ProcessingTab::OnFFT()
 		return;
 	}
 	
-	String legend = tabFit.scatter.GetLegend(0) + String("-") + (tabFreq.opPhase ? t_("FFT-phase [rad]") : t_("FFT"));
+	String strtype;
+	switch(tabFreq.type) {
+	case DataSource::T_FFT:		strtype = t_("FFT");				break;
+	case DataSource::T_PHASE:	strtype = t_("FFT-phase [rad]");	break;
+	case DataSource::T_PSD:		strtype = t_("PSD");				break;
+	}
+	String legend = tabFit.scatter.GetLegend(0) + String("-") + strtype;
 	tabFreq.scatter.AddSeries(fft).Legend(legend);
 	tabFreq.scatter.SetMouseHandling(true, true).ShowInfo().ShowContextMenu().ShowProcessDlg().ShowPropertiesDlg();
 	tabFreq.scatter.SetLabelX(tabFreq.opXAxis == 1 ? t_("Frequency [Hz]") : t_("Period [sec]"));
diff --git a/uppsrc/ScatterCtrl/Properties.h b/uppsrc/ScatterCtrl/Properties.h
index c7087313f..b2c127998 100644
--- a/uppsrc/ScatterCtrl/Properties.h
+++ b/uppsrc/ScatterCtrl/Properties.h
@@ -136,7 +136,7 @@ private:
 	SinEquation sinus;
 	SplineEquation spline;
 	Vector<Pointf> upperEnvelope, lowerEnvelope;
-	Vector<Pointf> movAvg;
+	Vector<Pointf> movAvg, secAvg;
 	DataSetCond dataSetCond;
 	bool exclamationOpened;
 	double newWidthMax, newWidthMin, newWidthMovAvg;
diff --git a/uppsrc/ScatterCtrl/ScatterCtrl.lay b/uppsrc/ScatterCtrl/ScatterCtrl.lay
index f701db31d..61099c526 100644
--- a/uppsrc/ScatterCtrl/ScatterCtrl.lay
+++ b/uppsrc/ScatterCtrl/ScatterCtrl.lay
@@ -127,31 +127,32 @@ LAYOUT(ProcessingTabFit, 580, 368)
 	ITEM(Option, opMin, SetLabel(t_("Min curve")).RightPosZ(72, 128).TopPosZ(188, 16))
 	ITEM(Option, opSpline, SetLabel(t_("Spline")).RightPosZ(72, 128).TopPosZ(124, 16))
 	ITEM(ScatterCtrl, scatter, SetPlotAreaLeftMargin(60).SetPlotAreaBottomMargin(50).HSizePosZ(0, 208).VSizePosZ(0, 0))
-	ITEM(Label, dv___10, SetLabel(t_("Min:")).RightPosZ(160, 40).TopPosZ(292, 19))
+	ITEM(Label, dv___10, SetLabel(t_("Min:")).RightPosZ(160, 40).TopPosZ(296, 19))
 	ITEM(Label, dv___11, SetLabel(t_("R2 coeff.")).RightPosZ(0, 48).TopPosZ(4, 19))
 	ITEM(Label, dv___12, SetLabel(t_("Num decimals:")).RightPosZ(120, 80).TopPosZ(144, 19))
 	ITEM(EditIntSpin, numDecimals, Max(20).Min(0).RightPosZ(84, 36).TopPosZ(144, 19))
 	ITEM(Option, showEquation, SetLabel(t_("Show Eq.")).RightPosZ(4, 72).TopPosZ(144, 16))
-	ITEM(Label, dv___15, SetLabel(t_("Max:")).RightPosZ(160, 40).TopPosZ(268, 19))
-	ITEM(Label, dv___16, SetLabel(t_("StdDev:")).RightPosZ(144, 56).TopPosZ(340, 19))
-	ITEM(EditString, eMin, SetEditable(false).RightPosZ(4, 136).TopPosZ(292, 19))
-	ITEM(EditDouble, eStdDev, SetEditable(false).RightPosZ(4, 136).TopPosZ(340, 19))
+	ITEM(Label, dv___15, SetLabel(t_("Max:")).RightPosZ(160, 40).TopPosZ(272, 19))
+	ITEM(Label, dv___16, SetLabel(t_("StdDev:")).RightPosZ(144, 56).TopPosZ(344, 19))
+	ITEM(EditString, eMin, SetEditable(false).RightPosZ(4, 136).TopPosZ(296, 19))
+	ITEM(EditDouble, eStdDev, SetEditable(false).RightPosZ(4, 136).TopPosZ(344, 19))
 	ITEM(EditString, eqSinus, SetEditable(false).RightPosZ(52, 72).TopPosZ(104, 19))
 	ITEM(EditDouble, r2Linear, SetEditable(false).RightPosZ(4, 44).TopPosZ(44, 19))
 	ITEM(EditDouble, r2Cuadratic, SetEditable(false).RightPosZ(4, 44).TopPosZ(64, 19))
 	ITEM(EditDouble, r2Sinus, SetEditable(false).RightPosZ(4, 44).TopPosZ(104, 19))
 	ITEM(EditString, eqCubic, SetEditable(false).RightPosZ(52, 72).TopPosZ(84, 19))
 	ITEM(EditDouble, r2Cubic, SetEditable(false).RightPosZ(4, 44).TopPosZ(84, 19))
-	ITEM(EditString, eMax, SetEditable(false).RightPosZ(4, 136).TopPosZ(268, 19))
-	ITEM(Label, dv___26, SetLabel(t_("Average:")).RightPosZ(144, 56).TopPosZ(316, 19))
-	ITEM(EditDouble, eAverage, SetEditable(false).RightPosZ(4, 136).TopPosZ(316, 19))
+	ITEM(EditString, eMax, SetEditable(false).RightPosZ(4, 136).TopPosZ(272, 19))
+	ITEM(Label, dv___26, SetLabel(t_("Average:")).RightPosZ(144, 56).TopPosZ(320, 19))
+	ITEM(EditDouble, eAverage, SetEditable(false).RightPosZ(4, 136).TopPosZ(320, 19))
 	ITEM(EditString, eqLinear, SetEditable(false).RightPosZ(52, 72).TopPosZ(44, 19))
 	ITEM(EditString, eqCuadratic, SetEditable(false).RightPosZ(52, 72).TopPosZ(64, 19))
 	ITEM(EditString, eqAverage, SetEditable(false).RightPosZ(52, 72).TopPosZ(24, 19))
 	ITEM(EditDoubleLostFocusSpin, width, RightPosZ(8, 60).TopPosZ(192, 19))
 	ITEM(Label, dv___32, SetLabel(t_("Sensitivity")).RightPosZ(8, 60).TopPosZ(176, 19))
+	ITEM(Option, opSecAvg, SetLabel(t_("Sector Average")).RightPosZ(72, 128).TopPosZ(228, 16))
 	ITEM(Option, opMovAvg, SetLabel(t_("Moving Average")).RightPosZ(72, 128).TopPosZ(208, 16))
-	ITEM(LabelBox, dv___34, SetLabel(t_("Statistical data")).RightPosZ(4, 200).TopPosZ(244, 24))
+	ITEM(LabelBox, dv___35, SetLabel(t_("Statistical data")).RightPosZ(4, 200).TopPosZ(248, 24))
 END_LAYOUT
 
 LAYOUT(ProcessingTabFrequency, 524, 276)
@@ -163,7 +164,8 @@ LAYOUT(ProcessingTabFrequency, 524, 276)
 	ITEM(Label, comments, HSizePosZ(0, 0).BottomPosZ(1, 19))
 	ITEM(Switch, opXAxis, SetLabel(t_("Time\nFrequency")).RightPosZ(12, 76).TopPosZ(92, 32))
 	ITEM(LabelBox, dv___7, SetLabel(t_("X Axis")).RightPosZ(4, 92).TopPosZ(76, 52))
-	ITEM(Option, opPhase, SetLabel(t_("Show phase")).RightPosZ(4, 92).TopPosZ(132, 16))
+	ITEM(Switch, type, SetLabel(t_("FFT\nPhase\nPSD")).RightPosZ(16, 72).TopPosZ(136, 52))
+	ITEM(Option, setWindow, SetLabel(t_("Window")).RightPosZ(4, 84).TopPosZ(192, 16))
 END_LAYOUT
 
 LAYOUT(ProcessingTabOp, 544, 328)
diff --git a/uppsrc/ScatterCtrl/ScatterCtrl.t b/uppsrc/ScatterCtrl/ScatterCtrl.t
index 794eefe92..0ab6b70ec 100644
--- a/uppsrc/ScatterCtrl/ScatterCtrl.t
+++ b/uppsrc/ScatterCtrl/ScatterCtrl.t
@@ -252,6 +252,12 @@ esES("MedMov")
 euES("")
 frFR("")
 
+T_("SecAvg")
+caES("")
+esES("")
+euES("")
+frFR("")
+
 T_("Impossible to calculate FFT from a not sampled series")
 caES("")
 esES("Imposible calcular FFT de una serie no muestreada")
@@ -324,13 +330,19 @@ esES("Error obteniendo FFT")
 euES("")
 frFR("")
 
+T_("FFT")
+caES("")
+esES("")
+euES("")
+frFR("")
+
 T_("FFT-phase [rad]")
 caES("")
 esES("FFT-fase [rad]")
 euES("")
 frFR("")
 
-T_("FFT")
+T_("PSD")
 caES("")
 esES("")
 euES("")
@@ -693,6 +705,12 @@ esES("Sensibilidad")
 euES("")
 frFR("")
 
+T_("Sector Average")
+caES("")
+esES("")
+euES("")
+frFR("")
+
 T_("Moving Average")
 caES("")
 esES("Media m\303\263vil")
@@ -729,9 +747,15 @@ esES("Eje X")
 euES("")
 frFR("")
 
-T_("Show phase")
+T_("FFT\nPhase\nPSD")
 caES("")
-esES("Mostrar fase")
+esES("")
+euES("")
+frFR("")
+
+T_("Window")
+caES("")
+esES("")
 euES("")
 frFR("")
 
@@ -752,3 +776,12 @@ caES("")
 esES("")
 euES("")
 frFR("")
+
+
+// Obsolete
+
+T_("Show phase")
+caES("")
+esES("Mostrar fase")
+euES("")
+frFR("")