diff --git a/Synth_Dexed b/Synth_Dexed
index 8c677ce..28ef0da 160000
--- a/Synth_Dexed
+++ b/Synth_Dexed
@@ -1 +1 @@
-Subproject commit 8c677ceb4b3fb73f8643e30ff6cf4158dc8b9e53
+Subproject commit 28ef0da952b5c3b20204f14a56724290235b154d
diff --git a/build.sh b/build.sh
index 6752a10..0ac1723 100755
--- a/build.sh
+++ b/build.sh
@@ -22,32 +22,32 @@ 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"
diff --git a/src/mididevice.cpp b/src/mididevice.cpp
index bf82130..03134cb 100644
--- a/src/mididevice.cpp
+++ b/src/mididevice.cpp
@@ -187,6 +187,7 @@ 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: %u, len: %lu, TG: %u",m_ChannelMap[nTG],nLength,nTG);
 					HandleSystemExclusive(pMessage, nLength, nCable, nTG);
 				}
 			}
@@ -490,6 +491,7 @@ void CMIDIDevice::HandleSystemExclusive(const uint8_t* pMessage, const size_t nL
       else if(sysex_return >= 500 && sysex_return < 600)
       {
         LOGDBG("SysEx send voice %u request",sysex_return-500);
+        printf("SysEx send voice %u request",sysex_return-500);
         SendSystemExclusiveVoice(sysex_return-500, nCable, nTG);
       }
       break;