diff --git a/build.sh b/build.sh
index ae3e928..6752a10 100755
--- a/build.sh
+++ b/build.sh
@@ -22,34 +22,35 @@ if [ "${RPI}" -gt "1" ]; then
 fi
 
 # Build circle-stdlib library
-cd circle-stdlib/
-if [ ! -z "${CLEAN}" ] ; then
-make mrproper || true
-fi
-./configure -r ${RPI} --prefix "${TOOLCHAIN_PREFIX}" ${OPTIONS} -o KERNEL_MAX_SIZE=0x400000
-make -j
+#cd circle-stdlib/
+#if [ ! -z "${CLEAN}" ] ; then
+#make mrproper || true
+#fi
+#./configure -r ${RPI} --prefix "${TOOLCHAIN_PREFIX}" ${OPTIONS} -o KERNEL_MAX_SIZE=0x400000
+#make -j
 
 # Build additional libraries
-cd libs/circle/addon/display/
-if [ ! -z "${CLEAN}" ] ; then
-make clean || true
-fi
-make -j
-cd ../sensor/
-if [ ! -z "${CLEAN}" ] ; then
-make clean || true
-fi
-make -j
-cd ../Properties/
-if [ ! -z "${CLEAN}" ] ; then
-make clean || true
-fi
-make -j
-cd ../../../..
-
-cd ..
+#cd libs/circle/addon/display/
+#if [ ! -z "${CLEAN}" ] ; then
+#make clean || true
+#fi
+#make -j
+#cd ../sensor/
+#if [ ! -z "${CLEAN}" ] ; then
+#make clean || true
+#fi
+#make -j
+#cd ../Properties/
+#if [ ! -z "${CLEAN}" ] ; then
+#make clean || true
+#fi
+#make -j
+#cd ../../../..
+
+#cd ..
 
 # Build MiniDexed
+echo "Build MiniDexed"
 cd src
 if [ ! -z "${CLEAN}" ] ; then
 make clean || true
diff --git a/src/mididevice.cpp b/src/mididevice.cpp
index b32d610..bf82130 100644
--- a/src/mididevice.cpp
+++ b/src/mididevice.cpp
@@ -174,7 +174,6 @@ void CMIDIDevice::MIDIMessageHandler (const u8 *pMessage, size_t nLength, unsign
 	{
 		float32_t nMasterVolume=((pMessage[5] & 0x7c) & ((pMessage[6] & 0x7c) <<7))/(1<<14);
 		LOGNOTE("Master volume: %f",nMasterVolume);
-		printf("Master volume: %f",nMasterVolume);
 		m_pSynthesizer->setMasterVolume(nMasterVolume);
 	}
 	else
@@ -188,7 +187,6 @@ void CMIDIDevice::MIDIMessageHandler (const u8 *pMessage, size_t nLength, unsign
 				if (m_ChannelMap[nTG] == ucSysExChannel || m_ChannelMap[nTG] == OmniMode)
 				{
 					LOGNOTE("MIDI-SYSEX: channel: %u, len: %u, TG: %u",m_ChannelMap[nTG],nLength,nTG);
-					printf("MIDI-SYSEX: channel: %lu, len: %lu, TG: %lu\n",m_ChannelMap[nTG],nLength,nTG);
 					HandleSystemExclusive(pMessage, nLength, nCable, nTG);
 				}
 			}
@@ -338,9 +336,7 @@ void CMIDIDevice::HandleSystemExclusive(const uint8_t* pMessage, const size_t nL
   sysex_return = m_pSynthesizer->checkSystemExclusive(pMessage, nLength, nTG);
   uint8_t instanceID = pMessage[2]&0xF;
   LOGDBG("SYSEX handler return value: %d", sysex_return);
-  printf("SYSEX handler return value: %d\n", sysex_return);
-  printf("TG %i\n", nTG);
-  printf("%02X\n", instanceID);
+
   switch (sysex_return)
   {
     case -1:
@@ -433,9 +429,11 @@ void CMIDIDevice::HandleSystemExclusive(const uint8_t* pMessage, const size_t nL
       break;
 /* BeZo patches */
     case 80:						// Set midi channel
-	m_ChannelMap[instanceID] = pMessage[5];
+	LOGDBG("Set midi channel for TG %i", instanceID);
+	m_pSynthesizer->SetMIDIChannel(pMessage[5], instanceID);
 	break;
     case 81:						// Reverb level
+	LOGDBG("Set Reverb Level for TG %i", instanceID);
         m_pSynthesizer->SetReverbSend (maplong (pMessage[5], 0, 127, 0, 99), instanceID);
 	break;
     case 82:						// Compressor toggle
@@ -443,6 +441,7 @@ void CMIDIDevice::HandleSystemExclusive(const uint8_t* pMessage, const size_t nL
     case 83:						// Transpose
 	break;
     case 84:						// Detune
+	LOGDBG("Set detune for TG %i", instanceID);
 	if (pMessage[5] == 0)
         {
         	// "0 to 127, with 0 being no celeste (detune) effect applied at all."
@@ -454,10 +453,12 @@ void CMIDIDevice::HandleSystemExclusive(const uint8_t* pMessage, const size_t nL
         }
 	break;
     case 85:						// Panning
+	LOGDBG("Set panning for TG %i", instanceID);
         m_pSynthesizer->SetPan(pMessage[5], instanceID);
 	break;
     case 86:						// Volume
-        m_pSynthesizer->SetVol(pMessage[5], instanceID);
+	LOGDBG("Set volume for TG %i", instanceID);
+        m_pSynthesizer->SetVolume(pMessage[5], instanceID);
 	break;
     case 87:						// Pitch Bend
 	break;