diff --git a/plugins/channelrx/demodatv/atvdemodgui.cpp b/plugins/channelrx/demodatv/atvdemodgui.cpp
index 9df4450ca..2824f7aa1 100644
--- a/plugins/channelrx/demodatv/atvdemodgui.cpp
+++ b/plugins/channelrx/demodatv/atvdemodgui.cpp
@@ -295,8 +295,9 @@ ATVDemodGUI::ATVDemodGUI(PluginAPI* objPluginAPI, DeviceSourceAPI *objDeviceAPI,
     ui->glScope->connectTimer(m_objPluginAPI->getMainWindow()->getMasterTimer());
     connect(&m_objPluginAPI->getMainWindow()->getMasterTimer(), SIGNAL(timeout()), this, SLOT(tick())); // 50 ms
 
+    ui->deltaFrequencyLabel->setText(QString("%1f").arg(QChar(0x94, 0x03)));
     ui->deltaFrequency->setColorMapper(ColorMapper(ColorMapper::GrayGold));
-    ui->deltaFrequency->setValueRange(7, 0U, 9999999U);
+    ui->deltaFrequency->setValueRange(false, 7, -9999999, 9999999);
 
     connect(m_objChannelizer, SIGNAL(inputSampleRateChanged()), this, SLOT(channelSampleRateChanged()));
 
@@ -363,8 +364,7 @@ void ATVDemodGUI::applySettings()
 {
     if (m_blnDoApplySettings)
     {
-		ui->deltaFrequency->setValue(abs(m_objChannelMarker.getCenterFrequency()));
-        ui->deltaFrequencyMinus->setChecked(m_objChannelMarker.getCenterFrequency() < 0);
+		ui->deltaFrequency->setValue(m_objChannelMarker.getCenterFrequency());
 
         m_objChannelizer->configure(m_objChannelizer->getInputMessageQueue(),
                 m_objChannelizer->getInputSampleRate(), // always use maximum available bandwidth
@@ -606,24 +606,9 @@ void ATVDemodGUI::on_decimatorEnable_toggled(bool checked)
     applyRFSettings();
 }
 
-void ATVDemodGUI::on_deltaFrequency_changed(quint64 value)
+void ATVDemodGUI::on_deltaFrequency_changed(qint64 value)
 {
-    if (ui->deltaFrequencyMinus->isChecked()) {
-        m_objChannelMarker.setCenterFrequency(-value);
-    } else {
-        m_objChannelMarker.setCenterFrequency(value);
-    }
-}
-
-void ATVDemodGUI::on_deltaFrequencyMinus_toggled(bool minus)
-{
-    int deltaFrequency = m_objChannelMarker.getCenterFrequency();
-    bool minusDelta = (deltaFrequency < 0);
-
-    if (minus ^ minusDelta) // sign change
-    {
-        m_objChannelMarker.setCenterFrequency(-deltaFrequency);
-    }
+    m_objChannelMarker.setCenterFrequency(value);
 }
 
 void ATVDemodGUI::on_bfo_valueChanged(int value)
diff --git a/plugins/channelrx/demodatv/atvdemodgui.h b/plugins/channelrx/demodatv/atvdemodgui.h
index b5088b1e4..08e0b05a0 100644
--- a/plugins/channelrx/demodatv/atvdemodgui.h
+++ b/plugins/channelrx/demodatv/atvdemodgui.h
@@ -81,8 +81,7 @@ private slots:
     void on_rfOppBW_valueChanged(int value);
     void on_rfFiltering_toggled(bool checked);
     void on_decimatorEnable_toggled(bool checked);
-    void on_deltaFrequency_changed(quint64 value);
-    void on_deltaFrequencyMinus_toggled(bool minus);
+    void on_deltaFrequency_changed(qint64 value);
     void on_bfo_valueChanged(int value);
     void on_fmDeviation_valueChanged(int value);
     void on_screenTabWidget_currentChanged(int index);
diff --git a/plugins/channelrx/demodatv/atvdemodgui.ui b/plugins/channelrx/demodatv/atvdemodgui.ui
index 54c1ecd73..2e8d6cb9f 100644
--- a/plugins/channelrx/demodatv/atvdemodgui.ui
+++ b/plugins/channelrx/demodatv/atvdemodgui.ui
@@ -58,26 +58,20 @@
       <item>
        <layout class="QHBoxLayout" name="deltaFrequencyLayout">
         <item>
-         <widget class="QToolButton" name="deltaFrequencyMinus">
-          <property name="toolTip">
-           <string>Channel center frequency shift direction</string>
+         <widget class="QLabel" name="deltaFrequencyLabel">
+          <property name="minimumSize">
+           <size>
+            <width>16</width>
+            <height>0</height>
+           </size>
           </property>
           <property name="text">
-           <string/>
-          </property>
-          <property name="icon">
-           <iconset>
-            <selectedoff>:/plus.png</selectedoff>
-            <selectedon>:/minus.png</selectedon>
-           </iconset>
-          </property>
-          <property name="checkable">
-           <bool>true</bool>
+           <string>Df</string>
           </property>
          </widget>
         </item>
         <item>
-         <widget class="ValueDial" name="deltaFrequency" native="true">
+         <widget class="ValueDialZ" name="deltaFrequency" native="true">
           <property name="sizePolicy">
            <sizepolicy hsizetype="Maximum" vsizetype="Maximum">
             <horstretch>0</horstretch>
@@ -1117,12 +1111,6 @@
    <header>gui/rollupwidget.h</header>
    <container>1</container>
   </customwidget>
-  <customwidget>
-   <class>ValueDial</class>
-   <extends>QWidget</extends>
-   <header>gui/valuedial.h</header>
-   <container>1</container>
-  </customwidget>
   <customwidget>
    <class>ButtonSwitch</class>
    <extends>QToolButton</extends>
@@ -1146,6 +1134,12 @@
    <header>gui/glscopenggui.h</header>
    <container>1</container>
   </customwidget>
+  <customwidget>
+   <class>ValueDialZ</class>
+   <extends>QWidget</extends>
+   <header>gui/valuedialz.h</header>
+   <container>1</container>
+  </customwidget>
  </customwidgets>
  <resources>
   <include location="../../../sdrbase/resources/res.qrc"/>