Index: sources/canbus/MessageInterpreter.cpp
===================================================================
diff -u -rb3eb8bc9696c4db9867ad1cf13b47c455a94e0fe -ra89b5249df072be403141463d7d88728b66a848e
--- sources/canbus/MessageInterpreter.cpp	(.../MessageInterpreter.cpp)	(revision b3eb8bc9696c4db9867ad1cf13b47c455a94e0fe)
+++ sources/canbus/MessageInterpreter.cpp	(.../MessageInterpreter.cpp)	(revision a89b5249df072be403141463d7d88728b66a848e)
@@ -277,6 +277,7 @@
     // alarms
     case Gui::GuiActionType::ID_AlarmSilenceReq                         : INTERPRET_TRANSMIT_MESSAGE(AlarmSilenceRequestData                        ); break;
     case Gui::GuiActionType::ID_AlarmUserActionReq                      : INTERPRET_TRANSMIT_MESSAGE(AlarmUserActionRequestData                     ); break;
+    case Gui::GuiActionType::ID_AlarmVolumeSetReq                       : INTERPRET_TRANSMIT_MESSAGE(AdjustHDAlarmVolumeRequestData                 ); break;
     // coco begin validated: Manually tested. This model class is a placeholder for the message 63(0x3F00) and there is no use case for this now.
     case Gui::GuiActionType::ID_AlarmClearedConditionReq                : INTERPRET_TRANSMIT_MESSAGE(AlarmClearedConditionRequestData               ); break;
     case Gui::GuiActionType::ID_AlarmActiveListReq                      : INTERPRET_TRSMT_MT_MESSAGE(AlarmActiveListRequestData                     ); break;
@@ -291,6 +292,32 @@
 }
 
 /*!
+ * \brief   MessageInterpreter::identifySource
+ * \details Identifies the source of the message regarding the channgel id
+ * \return  the source of the message in enum
+ * \sa      can::Can_Source
+ */
+Can_Source MessageInterpreter::identifySource(Can_Id vCanId)
+{
+    switch (vCanId) {
+        case eChlid_HD_DG   : // 0x008, ///< HD => DG
+        case eChlid_HD_UI   : // 0x020, ///< HD => UI
+        case eChlid_HD_Alarm: // 0x001, ///< HD alarm broadcast
+        case eChlid_HD_Sync : // 0x040, ///< HD sync  broadcast
+            return Can_Source::eCan_HD;
+
+        case eChlid_DG_HD   : // 0x010, ///< DG => HD
+        case eChlid_DG_UI   : // 0x070, ///< DG => UI
+        case eChlid_DG_Alarm: // 0x002, ///< DG alarm broadcast
+        case eChlid_DG_Sync : // 0x080, ///< DG sync  broadcast
+            return Can_Source::eCan_DG;
+
+        default:
+            return Can_Source::eCan_Unknown;
+    }
+}
+
+/*!
  * \brief   MessageInterpreter::interpretMessage
  * \details This method will call appropriate message interpreter
  *          for received messages from HD or DG regarding the Can_Id.
@@ -306,19 +333,11 @@
 bool MessageInterpreter::interpretMessage(const Message &vMessage, QVariantList &vData)
 {
     bool ok = false;
-    switch (vMessage.can_id) {
-    case eChlid_HD_DG   : // break; // 0x008 : to remove the channel from listen list remove the break comment
-    case eChlid_HD_UI   : // break; // 0x020 : to remove the channel from listen list remove the break comment
-    case eChlid_HD_Alarm: // break; // 0x001 : to remove the channel from listen list remove the break comment
-    case eChlid_HD_Sync : /*           0x040 */ ok = interpretMessage_HD(vMessage, vData); break;
 
-    case eChlid_DG_HD   : // break; // 0x010 : to remove the channel from listen list remove the break comment
-    case eChlid_DG_UI   : // break; // 0x070 : to remove the channel from listen list remove the break comment
-    case eChlid_DG_Alarm: // break; // 0x002 : to remove the channel from listen list remove the break comment
-    case eChlid_DG_Sync : /*           0x080 */ ok = interpretMessage_DG(vMessage, vData); break;
-
-    default:
-        break;
+    switch (identifySource(vMessage.can_id)) {
+    case Can_Source::eCan_HD: ok = interpretMessage_HD(vMessage, vData); break;
+    case Can_Source::eCan_DG: ok = interpretMessage_DG(vMessage, vData); break;
+    default                 :                                            break;
     }
     return ok;
 }
@@ -422,6 +441,7 @@
     case Gui::GuiActionType::ID_AlarmStatus                         : ok = notify<Model::MAlarmStatus                           >(vMessage, vData, Gui::GuiActionType::ID_AlarmStatus                   ); break;
     case Gui::GuiActionType::ID_AlarmTriggered                      : ok = notify<Model::MAlarmTriggered                        >(vMessage, vData, Gui::GuiActionType::ID_AlarmTriggered                ); break;
     case Gui::GuiActionType::ID_AlarmCleared                        : ok = notify<Model::MAlarmCleared                          >(vMessage, vData, Gui::GuiActionType::ID_AlarmCleared                  ); break;
+    case Gui::GuiActionType::ID_AlarmVolumeSetRsp                   : ok = notify<Model::MAdjustHDAlarmVolumeResponse           >(vMessage, vData, Gui::GuiActionType::ID_AlarmVolumeSetRsp             ); break;
     // coco begin validated: Manually tested. This model class is a placeholder for the message 63(0x3F00) and there is no use case for this now.
     case Gui::GuiActionType::ID_AlarmClearedConditionRsp            : ok = notify<Model::MAlarmClearedCondition                 >(vMessage, vData, Gui::GuiActionType::ID_AlarmClearedConditionRsp      ); break;
     case Gui::GuiActionType::ID_AlarmActiveListRsp                  : ok = notify<Model::MAlarmActiveListResponse               >(vMessage, vData, Gui::GuiActionType::ID_AlarmActiveListRsp            ); break;