diff --git a/src/blackcore/afv/clients/afvclient.cpp b/src/blackcore/afv/clients/afvclient.cpp
index c0baa2fb9..98b6cdfc6 100644
--- a/src/blackcore/afv/clients/afvclient.cpp
+++ b/src/blackcore/afv/clients/afvclient.cpp
@@ -144,7 +144,13 @@ namespace BlackCore
                 }
 
                 const bool integrated = sApp->getIContextSimulator()->getSimulatorSettings().isComIntegrated();
+                const bool changed = integrated != m_integratedComUnit;
+
                 m_integratedComUnit = integrated;
+                if (changed)
+                {
+                    emit this->updatedFromOwnAircraftCockpit();
+                }
             }
 
             void CAfvClient::connectTo(const QString &cid, const QString &password, const QString &callsign, const QString &client)
diff --git a/src/blackcore/afv/clients/afvclient.h b/src/blackcore/afv/clients/afvclient.h
index 6d1deebb9..838e79b8a 100644
--- a/src/blackcore/afv/clients/afvclient.h
+++ b/src/blackcore/afv/clients/afvclient.h
@@ -129,6 +129,10 @@ namespace BlackCore
                 void restartAudio();
                 //! @}
 
+                //! Is integrated with COM unit
+                //! \threadsafe
+                bool isComUnitIntegrated() const { return m_integratedComUnit; }
+
                 //! The device's volume 0..1 @{
                 double getDeviceInputVolume() const;
                 bool   setDeviceInputVolume(double volume);
diff --git a/src/blackcore/context/contextaudio.cpp b/src/blackcore/context/contextaudio.cpp
index 3209502ba..82711772d 100644
--- a/src/blackcore/context/contextaudio.cpp
+++ b/src/blackcore/context/contextaudio.cpp
@@ -305,6 +305,11 @@ namespace BlackCore
             return m_voiceClient && m_voiceClient->isStarted();
         }
 
+        bool CContextAudioBase::isComUnitIntegrated() const
+        {
+            return m_voiceClient && m_voiceClient->isComUnitIntegrated();
+        }
+
         const QList<QCommandLineOption> &CContextAudioBase::getCmdLineOptions()
         {
             static const QList<QCommandLineOption> opts
diff --git a/src/blackcore/context/contextaudio.h b/src/blackcore/context/contextaudio.h
index cfb8408ed..45b000c86 100644
--- a/src/blackcore/context/contextaudio.h
+++ b/src/blackcore/context/contextaudio.h
@@ -218,6 +218,9 @@ namespace BlackCore
             //! Is audio enabled?
             bool isAudioEnabled() const { return m_voiceClient; }
 
+            //! Integrated with COM unit?
+            bool isComUnitIntegrated() const;
+
             //! \todo WORKAROUND to hide the "local signals"
             Afv::Clients::CAfvClient *afvClient() const { return m_voiceClient; }
 
@@ -280,7 +283,7 @@ namespace BlackCore
             /** Workaround those must be invisible for DBus
 
             //! VU levels @{
-            void inputVolumePeakVU(double value);
+            void inputVolumePeakVU (double value);
             void outputVolumePeakVU(double value);
             //! @}
 
@@ -290,7 +293,7 @@ namespace BlackCore
             //! Client updated from own aicraft data
             void updatedFromOwnAircraftCockpit();
 
-            Workaround **/
+            ** Workaround **/
 
             // ------------ local signals -------
 
diff --git a/src/blackgui/components/audiodevicevolumesetupcomponent.cpp b/src/blackgui/components/audiodevicevolumesetupcomponent.cpp
index 36ca4392a..ba0c62e2e 100644
--- a/src/blackgui/components/audiodevicevolumesetupcomponent.cpp
+++ b/src/blackgui/components/audiodevicevolumesetupcomponent.cpp
@@ -154,6 +154,7 @@ namespace BlackGui
             {
                 if (!myself || !sGui || sGui->isShuttingDown()) { return; }
                 myself->setTransmitReceiveInUiFromVoiceClient();
+
             }, ct);
             Q_ASSERT(c);
             m_afvConnections.append(c);
@@ -216,12 +217,14 @@ namespace BlackGui
             ui->le_Info->setToolTip(info);
         }
 
-        void CAudioDeviceVolumeSetupComponent::setTransmitReceiveInUi(bool tx1, bool rec1, bool tx2, bool rec2)
+        void CAudioDeviceVolumeSetupComponent::setTransmitReceiveInUi(bool tx1, bool rec1, bool tx2, bool rec2, bool integrated)
         {
             ui->cb_1Tx->setChecked(tx1);
             ui->cb_2Tx->setChecked(tx2);
             ui->cb_1Rec->setChecked(rec1);
             ui->cb_2Rec->setChecked(rec2);
+
+            ui->cb_IntegratedWithCom->setChecked(integrated);
         }
 
         void CAudioDeviceVolumeSetupComponent::setTransmitReceiveInUiFromVoiceClient()
@@ -245,7 +248,8 @@ namespace BlackGui
             const bool com1Rx = com1Enabled;
             const bool com2Rx = com2Enabled;
 
-            this->setTransmitReceiveInUi(com1Tx, com1Rx, com2Tx, com2Rx);
+            const bool integrated = sGui->getCContextAudioBase()->isComUnitIntegrated();
+            this->setTransmitReceiveInUi(com1Tx, com1Rx, com2Tx, com2Rx, integrated);
         }
 
         CAfvClient *CAudioDeviceVolumeSetupComponent::afvClient()
diff --git a/src/blackgui/components/audiodevicevolumesetupcomponent.h b/src/blackgui/components/audiodevicevolumesetupcomponent.h
index 5cb92cb51..01e245a8d 100644
--- a/src/blackgui/components/audiodevicevolumesetupcomponent.h
+++ b/src/blackgui/components/audiodevicevolumesetupcomponent.h
@@ -118,10 +118,11 @@ namespace BlackGui
             BlackMisc::Audio::CAudioDeviceInfo getSelectedOutputDevice() const;
 
             //! Transmit and receive state @{
-            void setTransmitReceiveInUi(bool tx1, bool rec1, bool tx2, bool rec2);
+            void setTransmitReceiveInUi(bool tx1, bool rec1, bool tx2, bool rec2, bool integrated);
             void setTransmitReceiveInUiFromVoiceClient();
             //! @}
 
+            //! Direct access to client
             static BlackCore::Afv::Clients::CAfvClient *afvClient();
 
             bool m_init = false;
diff --git a/src/blackgui/components/audiodevicevolumesetupcomponent.ui b/src/blackgui/components/audiodevicevolumesetupcomponent.ui
index 0d27a24f7..ba81a828a 100644
--- a/src/blackgui/components/audiodevicevolumesetupcomponent.ui
+++ b/src/blackgui/components/audiodevicevolumesetupcomponent.ui
@@ -6,14 +6,14 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>243</width>
-    <height>267</height>
+    <width>340</width>
+    <height>272</height>
    </rect>
   </property>
   <property name="windowTitle">
    <string>Audio setup</string>
   </property>
-  <layout class="QGridLayout" name="gridLayout">
+  <layout class="QGridLayout" name="gl_AudioDeviceVolumeSetupComponent">
    <item row="9" column="0">
     <widget class="QToolButton" name="tb_ResetInVolume">
      <property name="text">
@@ -93,7 +93,7 @@
          <string>...</string>
         </property>
         <property name="icon">
-         <iconset>
+         <iconset resource="../../blackmisc/blackmisc.qrc">
           <normaloff>:/diagona/icons/diagona/icons/arrow-circle-135.png</normaloff>:/diagona/icons/diagona/icons/arrow-circle-135.png</iconset>
         </property>
        </widget>
@@ -190,6 +190,16 @@
         </property>
        </widget>
       </item>
+      <item>
+       <widget class="QCheckBox" name="cb_IntegratedWithCom">
+        <property name="toolTip">
+         <string>integrated with sim. cockpit</string>
+        </property>
+        <property name="text">
+         <string>sync.</string>
+        </property>
+       </widget>
+      </item>
      </layout>
     </widget>
    </item>
@@ -221,7 +231,7 @@
          <string>...</string>
         </property>
         <property name="icon">
-         <iconset>
+         <iconset resource="../../blackmisc/blackmisc.qrc">
           <normaloff>:/diagona/icons/diagona/icons/arrow-circle-135.png</normaloff>:/diagona/icons/diagona/icons/arrow-circle-135.png</iconset>
         </property>
        </widget>
@@ -313,6 +323,7 @@
   <tabstop>cb_1Rec</tabstop>
   <tabstop>cb_2Tx</tabstop>
   <tabstop>cb_2Rec</tabstop>
+  <tabstop>cb_IntegratedWithCom</tabstop>
   <tabstop>cb_SetupAudioInputDevice</tabstop>
   <tabstop>tb_RefreshInDevice</tabstop>
   <tabstop>cb_SetupAudioOutputDevice</tabstop>
@@ -324,6 +335,8 @@
   <tabstop>hs_VolumeOut</tabstop>
   <tabstop>tb_ResetOutVolume</tabstop>
  </tabstops>
- <resources/>
+ <resources>
+  <include location="../../blackmisc/blackmisc.qrc"/>
+ </resources>
  <connections/>
 </ui>