diff --git a/q65w/widegraph.cpp b/q65w/widegraph.cpp
index 17897aa7f..f8a9d97c0 100644
--- a/q65w/widegraph.cpp
+++ b/q65w/widegraph.cpp
@@ -42,14 +42,6 @@ WideGraph::WideGraph (QString const& settings_filename, QWidget * parent)
   ui->widePlot->setBinsPerPixel(nbpp);
   m_waterfallAvg = settings.value("WaterfallAvg",10).toInt();
   ui->waterfallAvgSpinBox->setValue(m_waterfallAvg);
-  ui->freqOffsetSpinBox->setValue(settings.value("FreqOffset",0).toInt());
-  m_bForceCenterFreq=settings.value("ForceCenterFreqBool",false).toBool();
-  m_dForceCenterFreq=settings.value("ForceCenterFreqMHz",144.125).toDouble();
-  ui->cbFcenter->setChecked(m_bForceCenterFreq);
-  ui->cbLockTxRx->setChecked(m_bLockTxRx);
-  ui->fCenterLineEdit->setText(QString::number(m_dForceCenterFreq));
-  m_bLockTxRx=settings.value("LockTxRx",false).toBool();
-  ui->cbLockTxRx->setChecked(m_bLockTxRx);
 }
 
 WideGraph::~WideGraph()
@@ -80,10 +72,6 @@ void WideGraph::saveSettings()
   settings.setValue("PlotWidth",ui->widePlot->plotWidth());
   settings.setValue("FreqSpan",ui->freqSpanSpinBox->value());
   settings.setValue("WaterfallAvg",ui->waterfallAvgSpinBox->value());
-  settings.setValue("FreqOffset",ui->widePlot->freqOffset());
-  settings.setValue("ForceCenterFreqBool",m_bForceCenterFreq);
-  settings.setValue("ForceCenterFreqMHz",m_dForceCenterFreq);
-  settings.setValue("LockTxRx",m_bLockTxRx);
 }
 
 void WideGraph::dataSink2(float s[], int nkhz, int ihsym, int ndiskdata,
@@ -122,7 +110,7 @@ void WideGraph::dataSink2(float s[], int nkhz, int ihsym, int ndiskdata,
     n=0;
 
     int w=ui->widePlot->plotWidth();
-    qint64 sf = nkhz + ui->widePlot->freqOffset() - 0.5*w*nbpp*df/1000.0;
+    qint64 sf = nkhz - 0.5*w*nbpp*df/1000.0;
     if(sf != ui->widePlot->startFreq()) ui->widePlot->SetStartFreq(sf);
     int i0=16384.0+(ui->widePlot->startFreq()-nkhz+1.27046+0.001*m_fCal) *
         1000.0/df + 0.5;
@@ -154,22 +142,6 @@ void WideGraph::dataSink2(float s[], int nkhz, int ihsym, int ndiskdata,
   }
 }
 
-void WideGraph::on_freqOffsetSpinBox_valueChanged(int f)
-{
-  ui->widePlot->SetFreqOffset(f);
-}
-
-void WideGraph::on_freqSpanSpinBox_valueChanged(int n)
-{
-  ui->widePlot->setNSpan(n);
-  int w = ui->widePlot->plotWidth();
-  int nbpp = n * 32768.0/(w*96.0) + 0.5;
-  if(nbpp < 1) nbpp=1;
-  if(w > 0) {
-    ui->widePlot->setBinsPerPixel(nbpp);
-  }
-}
-
 void WideGraph::on_waterfallAvgSpinBox_valueChanged(int n)
 {
   m_waterfallAvg = n;
@@ -282,23 +254,6 @@ void WideGraph::setMode65(int n)
   ui->widePlot->setMode65(n);
 }
 
-void WideGraph::on_cbFcenter_stateChanged(int n)
-{
-  m_bForceCenterFreq = (n!=0);
-  if(m_bForceCenterFreq) {
-    ui->fCenterLineEdit->setEnabled(true);
-    ui->pbSetRxHardware->setEnabled(true);
-  } else {
-    ui->fCenterLineEdit->setDisabled(true);
-    ui->pbSetRxHardware->setDisabled(true);
-  }
-}
-
-void WideGraph::on_fCenterLineEdit_editingFinished()
-{
-  m_dForceCenterFreq=ui->fCenterLineEdit->text().toDouble();
-}
-
 void WideGraph::on_cbSpec2d_toggled(bool b)
 {
   ui->widePlot->set2Dspec(b);
@@ -314,20 +269,9 @@ void WideGraph::setPeriod(int n)
   m_TRperiod=n;
 }
 
-void WideGraph::on_cbLockTxRx_stateChanged(int n)
-{
-  m_bLockTxRx = (n!=0);
-  ui->widePlot->setLockTxRx(m_bLockTxRx);
-}
-
 void WideGraph::updateFreqLabel()
 {
   auto rxFreq = QString {"%1"}.arg (ui->widePlot->rxFreq (), 10, 'f', 6);
   rxFreq.insert (rxFreq.size () - 3, '.');
-  ui->labFreq->setText (QString {"Rx:  %1"}.arg (rxFreq));
-}
-
-void WideGraph::enableSetRxHardware(bool b)
-{
-  ui->pbSetRxHardware->setEnabled(b);
+  ui->labFreq->setText (QString {"Center freq:  %1"}.arg (rxFreq));
 }
diff --git a/q65w/widegraph.h b/q65w/widegraph.h
index 29739beaa..f826fbeab 100644
--- a/q65w/widegraph.h
+++ b/q65w/widegraph.h
@@ -51,15 +51,10 @@ protected:
 
 private slots:
   void on_waterfallAvgSpinBox_valueChanged(int arg1);
-  void on_freqSpanSpinBox_valueChanged(int arg1);
-  void on_freqOffsetSpinBox_valueChanged(int arg1);
   void on_zeroSpinBox_valueChanged(int arg1);
   void on_gainSpinBox_valueChanged(int arg1);
   void on_autoZeroPushButton_clicked();
-  void on_cbFcenter_stateChanged(int arg1);
-  void on_fCenterLineEdit_editingFinished();
   void on_cbSpec2d_toggled(bool checked);
-  void on_cbLockTxRx_stateChanged(int arg1);
 
 private:
   Ui::WideGraph * ui;
diff --git a/q65w/widegraph.ui b/q65w/widegraph.ui
index 675b92f92..4e7fc9d54 100644
--- a/q65w/widegraph.ui
+++ b/q65w/widegraph.ui
@@ -40,33 +40,6 @@
      <property name="lineWidth">
       <number>1</number>
      </property>
-     <widget class="QLabel" name="labFreq">
-      <property name="geometry">
-       <rect>
-        <x>940</x>
-        <y>250</y>
-        <width>211</width>
-        <height>21</height>
-       </rect>
-      </property>
-      <property name="font">
-       <font>
-        <pointsize>12</pointsize>
-       </font>
-      </property>
-      <property name="styleSheet">
-       <string notr="true">QLabel {
-	background-color: rgba(0, 0, 0, 0);
-	color: yellow;
-}</string>
-      </property>
-      <property name="text">
-       <string>Rx:  1296.065.200</string>
-      </property>
-      <property name="alignment">
-       <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-      </property>
-     </widget>
     </widget>
    </item>
    <item>
@@ -74,7 +47,7 @@
      <item>
       <layout class="QHBoxLayout" name="horizontalLayout_3">
        <item>
-        <spacer name="horizontalSpacer_2">
+        <spacer name="horizontalSpacer_8">
          <property name="orientation">
           <enum>Qt::Horizontal</enum>
          </property>
@@ -86,46 +59,6 @@
          </property>
         </spacer>
        </item>
-       <item>
-        <widget class="QSpinBox" name="freqOffsetSpinBox">
-         <property name="sizePolicy">
-          <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
-           <horstretch>0</horstretch>
-           <verstretch>0</verstretch>
-          </sizepolicy>
-         </property>
-         <property name="minimumSize">
-          <size>
-           <width>60</width>
-           <height>0</height>
-          </size>
-         </property>
-         <property name="maximumSize">
-          <size>
-           <width>16777215</width>
-           <height>16777215</height>
-          </size>
-         </property>
-         <property name="suffix">
-          <string> kHz</string>
-         </property>
-         <property name="prefix">
-          <string>Offset </string>
-         </property>
-         <property name="minimum">
-          <number>-24</number>
-         </property>
-         <property name="maximum">
-          <number>24</number>
-         </property>
-         <property name="singleStep">
-          <number>1</number>
-         </property>
-         <property name="value">
-          <number>0</number>
-         </property>
-        </widget>
-       </item>
        <item>
         <widget class="QSpinBox" name="freqSpanSpinBox">
          <property name="sizePolicy">
@@ -166,6 +99,22 @@
          </property>
         </widget>
        </item>
+       <item>
+        <spacer name="horizontalSpacer_2">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeType">
+          <enum>QSizePolicy::Fixed</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
        <item>
         <widget class="QSpinBox" name="waterfallAvgSpinBox">
          <property name="sizePolicy">
@@ -197,6 +146,22 @@
          </property>
         </widget>
        </item>
+       <item>
+        <spacer name="horizontalSpacer_3">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeType">
+          <enum>QSizePolicy::Fixed</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
        <item>
         <widget class="QSpinBox" name="gainSpinBox">
          <property name="sizePolicy">
@@ -222,6 +187,22 @@
          </property>
         </widget>
        </item>
+       <item>
+        <spacer name="horizontalSpacer_4">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeType">
+          <enum>QSizePolicy::Fixed</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
        <item>
         <widget class="QSpinBox" name="zeroSpinBox">
          <property name="sizePolicy">
@@ -247,6 +228,22 @@
          </property>
         </widget>
        </item>
+       <item>
+        <spacer name="horizontalSpacer_5">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeType">
+          <enum>QSizePolicy::Fixed</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
        <item>
         <widget class="QPushButton" name="autoZeroPushButton">
          <property name="text">
@@ -254,6 +251,22 @@
          </property>
         </widget>
        </item>
+       <item>
+        <spacer name="horizontalSpacer_6">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeType">
+          <enum>QSizePolicy::Fixed</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
        <item>
         <widget class="QCheckBox" name="cbSpec2d">
          <property name="text">
@@ -261,6 +274,29 @@
          </property>
         </widget>
        </item>
+       <item>
+        <spacer name="horizontalSpacer_7">
+         <property name="orientation">
+          <enum>Qt::Horizontal</enum>
+         </property>
+         <property name="sizeType">
+          <enum>QSizePolicy::Fixed</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>20</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item>
+        <widget class="QLabel" name="labFreq">
+         <property name="text">
+          <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Center freq:   1296.065.000&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+         </property>
+        </widget>
+       </item>
        <item>
         <spacer name="horizontalSpacer">
          <property name="orientation">
@@ -274,52 +310,6 @@
          </property>
         </spacer>
        </item>
-       <item>
-        <widget class="QCheckBox" name="cbLockTxRx">
-         <property name="text">
-          <string>Lock Tx=Rx Freq</string>
-         </property>
-        </widget>
-       </item>
-       <item>
-        <widget class="QCheckBox" name="cbFcenter">
-         <property name="text">
-          <string>Force Center Freq (MHz)</string>
-         </property>
-        </widget>
-       </item>
-       <item>
-        <widget class="QLineEdit" name="fCenterLineEdit">
-         <property name="enabled">
-          <bool>false</bool>
-         </property>
-         <property name="sizePolicy">
-          <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
-           <horstretch>0</horstretch>
-           <verstretch>0</verstretch>
-          </sizepolicy>
-         </property>
-         <property name="maximumSize">
-          <size>
-           <width>65</width>
-           <height>16777215</height>
-          </size>
-         </property>
-         <property name="text">
-          <string>1296.065</string>
-         </property>
-        </widget>
-       </item>
-       <item>
-        <widget class="QPushButton" name="pbSetRxHardware">
-         <property name="enabled">
-          <bool>false</bool>
-         </property>
-         <property name="text">
-          <string>Set Rx Freq</string>
-         </property>
-        </widget>
-       </item>
       </layout>
      </item>
     </layout>