diff --git a/src/TactiloController/ovpCBoxAlgorithmTactiloController.cpp b/src/TactiloController/ovpCBoxAlgorithmTactiloController.cpp
index 09fdee4..5f2c8e7 100644
--- a/src/TactiloController/ovpCBoxAlgorithmTactiloController.cpp
+++ b/src/TactiloController/ovpCBoxAlgorithmTactiloController.cpp
@@ -28,8 +28,6 @@ bool CBoxAlgorithmTactiloController::initialize()
 	//get Box Settings
 	m_PortName         = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 0);
 	m_RowBase          = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 1);
-	m_StartStimulation = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 2);
-	m_StopStimulation  = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 3);
 	m_NumberofTactilos = 6; //if this value is specified via box settings this line is not needed
 	//NumberofTactilos = FSettingValueAutoCast(*this->getBoxAlgorithmContext(), 3); //used if this value is set in box settings
 	
@@ -40,7 +38,7 @@ bool CBoxAlgorithmTactiloController::initialize()
 	if(m_Port.is_open())
 	{
 		this->getLogManager() << LogLevel_Info << "Connected to Serial Port: " << m_PortName << "\n";
-		m_Port.write_some(boost::asio::buffer("0"));
+		m_Port.write_some(boost::asio::buffer("b"));
 	}
 	
 	return true;
@@ -50,8 +48,8 @@ bool CBoxAlgorithmTactiloController::initialize()
 
 bool CBoxAlgorithmTactiloController::uninitialize()
 {
-	this->getLogManager() << LogLevel_Info << "Close Serial Port: " << m_PortName << "\n";
-	m_Port.write_some(boost::asio::buffer("0"));
+	this->getLogManager() << LogLevel_Info << "Disconnect from Serial Port: " << m_PortName << "\n";
+	m_Port.write_some(boost::asio::buffer("e"));
 	m_Port.close();
 
 	m_StimDecoder.uninitialize();
@@ -81,7 +79,6 @@ bool CBoxAlgorithmTactiloController::process()
 	// the dynamic box context describes the current state of the box inputs and outputs (i.e. the chunks)
 	IBoxIO& boxContext       = this->getDynamicBoxContext();
 	
-	uint64_t TactiloNr       = 0;
 	uint64_t StimulationID   = 0;
 	uint64_t ChunkStartTime  = 0;
 	uint64_t ChunkEndTime    = 0;
@@ -93,28 +90,29 @@ bool CBoxAlgorithmTactiloController::process()
 	{
 		// decode the chunk i
 		m_StimDecoder.decode(i);
+
 		if(m_StimDecoder.isBufferReceived())
 		{
 			//check received stimulations
 			IStimulationSet* StimSet = m_StimDecoder.getOutputStimulationSet();
-            for(uint64_t j=0; j<StimSet->getStimulationCount(); j++)
-            {
-                StimulationID   = StimSet->getStimulationIdentifier(j);
+			for(uint64_t j=0; j<StimSet->getStimulationCount(); j++)
+			{
+				StimulationID   = StimSet->getStimulationIdentifier(j);
 				
 				if(StimulationID >= m_RowBase && StimulationID < (m_RowBase + m_NumberofTactilos))
 				{				
-					TactiloNr = StimulationID-m_RowBase+1;
+					m_TactiloNr = StimulationID-m_RowBase+1;
 				}
-				if(StimulationID == m_StartStimulation || StimulationID == m_StopStimulation)
+				if(StimulationID == OVTK_StimulationId_VisualStimulationStart)
 				{
-					this->getLogManager() << LogLevel_Debug << "Tactilo Nr. " << TactiloNr << " ON\n";
-					m_Port.write_some(boost::asio::buffer(std::to_string(TactiloNr)));
+					this->getLogManager() << LogLevel_Info << "Tactilo Nr. " << m_TactiloNr << " ON\n";
+					m_Port.write_some(boost::asio::buffer(std::to_string(m_TactiloNr)));
+				}
+				if(StimulationID == OVTK_StimulationId_VisualStimulationStop)
+				{
+					this->getLogManager() << LogLevel_Info << "Tactilo Nr. " << m_TactiloNr << " OFF\n";
+					m_Port.write_some(boost::asio::buffer(std::to_string(m_TactiloNr)));
 				}
-              	if(StimulationID == m_StopStimulation)
-                {
-                  	this->getLogManager() << LogLevel_Debug << "Tactilo Nr. " << TactiloNr << " OFF\n";
-					m_Port.write_some(boost::asio::buffer(std::to_string(TactiloNr)));
-                }
 			}
 		}
 		// forward input chunks
diff --git a/src/TactiloController/ovpCBoxAlgorithmTactiloController.h b/src/TactiloController/ovpCBoxAlgorithmTactiloController.h
index f29ec1f..34b3641 100644
--- a/src/TactiloController/ovpCBoxAlgorithmTactiloController.h
+++ b/src/TactiloController/ovpCBoxAlgorithmTactiloController.h
@@ -47,12 +47,12 @@ namespace OpenViBE
 				Toolkit::TStimulationEncoder<CBoxAlgorithmTactiloController> m_StimEncoder;
 				
 			private:
+				//variable to store the current TactiloNr
+				uint64_t  m_TactiloNr        = 0;
 				//Box Settings
-				CString   m_PortName;
-				uint64_t  m_RowBase;
-				uint64_t  m_StartStimulation;
-				uint64_t  m_StopStimulation;
-				uint64_t  m_NumberofTactilos;
+				CString   m_PortName         = "";
+				uint64_t  m_RowBase          = 0;
+				uint64_t  m_NumberofTactilos = 0;
 				
 				//Serial Port
 				boost::asio::io_service m_IO;
@@ -97,8 +97,6 @@ namespace OpenViBE
 					//Box Settings
 					prototype.addSetting("Serial Port Name",OV_TypeId_String,"/dev/ttyACM0");
 					prototype.addSetting("Row Stimulation Base",OV_TypeId_Stimulation,"OVTK_StimulationId_Label_01");
-					prototype.addSetting("Flash Start Stimulation",OV_TypeId_Stimulation,"OVTK_StimulationId_VisualStimulationStart");
-					prototype.addSetting("Flash Stop Stimulation",OV_TypeId_Stimulation,"OVTK_StimulationId_VisualStimulationStop");
 					//prototype.addSetting("Number of Tactilos",OV_TypeId_Integer,"6"); //used to make this setting accessable in the box settings
 					
 					//prototype.addFlag(Kernel::BoxFlag_CanModifySetting);