Index: sources/ApplicationController.cpp
===================================================================
diff -u -rf2db5c985e5c0ae7835a69eff43bfc537e6dd2fc -r922463c555493a51ea20744a95dd62976adaf0f9
--- sources/ApplicationController.cpp	(.../ApplicationController.cpp)	(revision f2db5c985e5c0ae7835a69eff43bfc537e6dd2fc)
+++ sources/ApplicationController.cpp	(.../ApplicationController.cpp)	(revision 922463c555493a51ea20744a95dd62976adaf0f9)
@@ -18,7 +18,6 @@
 #include <QtConcurrent/QtConcurrent>
 
 // Project
-#include "MainTimer.h"
 #include "MessageDispatcher.h"
 #include "Logger.h"
 #include "DeviceController.h"
@@ -28,6 +27,7 @@
 #include "MSettings.h"
 #include "WifiInterface.h"
 #include "BluetoothInterface.h"
+#include "MessageAcknowModel.h"
 
 /*!
  * \brief   ApplicationController::ApplicationController
@@ -99,9 +99,6 @@
     connect(&_post  , SIGNAL(   didDone (bool               )),
             this    , SLOT  (onPOSTDone (bool               )));
 
-    connect(&_MainTimer        , SIGNAL(        didTimeout()),
-            this               ,   SLOT(onMainTimerTimeout()));
-
     // From GUI
     connect(&_GuiController , SIGNAL(didActionTransmit(GuiActionType, const QVariantList &)),
             this            ,   SLOT( onActionTransmit(GuiActionType, const QVariantList &)));
@@ -220,16 +217,6 @@
 }
 
 /*!
- * \brief   ApplicationController::onMainTimerTimeout
- * \details This slot is called by MainTimer::didTimeout each second
- *          to call required methods like keepAlive
- */
-void ApplicationController::onMainTimerTimeout()
-{
-    keepAlive();
-}
-
-/*!
  * \brief   ApplicationController::onUSBDriveMount
  * \details This is the slot which connects to the _DeviceController didUSBDriveMount signal
  *          and notifies the other classes (GuiController) by emitting its signal didUSBDriveMount
@@ -574,14 +561,17 @@
  */
 void ApplicationController::onstartPOST() {
     LOG_DEBUG("ApplicationPost Start");
-    emit didActionTransmit(GuiActionType::ID_KeepAlive, {});
+    _MessageAcknowModel.doStartCheckIn();
     _post.start();
 }
 
+/*!
+ * \brief   ApplicationController::onGuiReadyNotify
+ * \details The POST entry point
+ *           - calls the private slot onstartPOST
+ * \return  void
+ */
 void ApplicationController::onGuiReadyNotify()
 {
-    LOG_DEBUG("ApplicationPost Start");
-    emit didActionTransmit(GuiActionType::ID_KeepAlive, {});
-    _MainTimer.start();
-    _post.start();
+    onstartPOST();
 }