diff --git a/build.sh b/build.sh
index 271501a..5823756 100755
--- a/build.sh
+++ b/build.sh
@@ -14,6 +14,7 @@ else
     export TOOLCHAIN_PREFIX="arm-none-eabi-"
 fi
 
+
 # Define system options
 OPTIONS="-o USE_PWM_AUDIO_ON_ZERO -o SAVE_VFP_REGS_ON_IRQ -o REALTIME -o SCREEN_DMA_BURST_LENGTH=1"
 if [ "${RPI}" -gt "1" ]; then
@@ -21,6 +22,8 @@ if [ "${RPI}" -gt "1" ]; then
 fi
 
 # Build circle-stdlib library
+# Apply NL to NL+CR on output fix
+cp serial.h circle-stdlib/libs/circle/include/circle/serial.h
 cd circle-stdlib/
 make mrproper || true
 ./configure -r ${RPI} --prefix "${TOOLCHAIN_PREFIX}" ${OPTIONS} -o KERNEL_MAX_SIZE=0x400000
diff --git a/src/mididevice.cpp b/src/mididevice.cpp
index d137a06..bb121ce 100644
--- a/src/mididevice.cpp
+++ b/src/mididevice.cpp
@@ -324,13 +324,20 @@ void CMIDIDevice::HandleSystemExclusive(const uint8_t* pMessage, const size_t nL
 
   if ( nTG >= CConfig::ToneGenerators ) return;
  
-  sysex_return = checkSystemExclusive(pMessage, nLength, nTG);
+  sysex_return = m_pSynthesizer->checkSystemExclusive(pMessage, nLength, nTG);
   uint8_t instanceID = pMessage[2]&0xF;
 
+  if ( sysex_return == -11 && (pMessage[0] == 0xF0 && (pMessage[1] == 0x43 && nLength == 4 )
+  {
+	if ((pMessage[2] & 0x30) == 0x30) // Send config request
+		sysex_return = 600;
+	if ((pMessage[2] & 0x70) == 0x40) // Send Bank Name request
+		sysex_return = 601;
+  }
   if ( instanceID != nTG ) { printf("WARNING instanceID and nTG do not match!!!!!\n"); }
 
   LOGDBG("SYSEX handler return value: %d", sysex_return);
-  //printf("SYSEX handler return value: %d for TG %i\n", sysex_return, instanceID);
+  printf("SYSEX handler return value: %d for TG %i\n", sysex_return, instanceID);
 
   switch (sysex_return)
   {
@@ -679,104 +686,3 @@ void CMIDIDevice::SendBankName(uint8_t nTG)
     LOGDBG("Send Bank Name Sysex to \"%s\"",Iterator->first.c_str());
   }
 }
-
-int16_t CMidiDevice::checkSystemExclusive(const uint8_t* sysex, const uint16_t len)
-/*
-        -1:     	SysEx end status byte not detected.
-        -2:     	SysEx vendor not Yamaha.
-        -3:     	Unknown SysEx parameter change.
-        -4:     	Unknown SysEx voice or function.
-        -5:     	Not a SysEx voice bulk upload.
-        -6:     	Wrong length for SysEx voice bulk upload (not 155).
-        -7:     	Checksum error for one voice.
-        -8:     	Not a SysEx bank bulk upload.
-        -9:     	Wrong length for SysEx bank bulk upload (not 4096).
-        -10:    	Checksum error for bank.
-        -11:    	Unknown SysEx message.
-	64-77:		Function parameter changed.
-	100:		Voice loaded.
-	200:		Bank loaded.
-	300-455:	Voice parameter changed.
-	500-531:	Send patch request.
-	600		Send config request
-        601		Send Bank Name
-*/
-{
-  int32_t bulk_checksum_calc = 0;
-  const int8_t bulk_checksum = sysex[161];
-
-  // Check for SYSEX end byte
-  if (sysex[len - 1] != 0xf7)
-    return(-1);
-
-  // check for Yamaha sysex
-  if (sysex[1] != 0x43)
-    return(-2);
-
-  // Decode SYSEX by means of length
-  switch (len)
-  {
-    case 4:
-      if ((sysex[2] & 0x30) == 0x30) // Send config request
-        return 600;
-      if ((sysex[2] & 0x70) == 0x40) // Send config request
-        return 601;
-      break;
-    case 5:
-      if ((sysex[2] & 0x70) == 0x20) // Send voice request
-        return(500 + (sysex[3] & 0x7c));
-      break;
-    case 7: // parse parameter change
-      if (((sysex[3] & 0x7c) >> 2) != 0 && ((sysex[3] & 0x7c) >> 2) != 2)
-        return(-3);
-
-      if ((sysex[3] & 0x7c) >> 2 == 0) // Voice parameter
-      {
-        setVoiceDataElement((sysex[4] & 0x7f) + ((sysex[3] & 0x03) * 128), sysex[5]);
-	doRefreshVoice();
-	return((sysex[4] & 0x7f) + ((sysex[3] & 0x03) * 128)+300);
-      }
-      else if ((sysex[3] & 0x7c) >> 2 == 2) // Function parameter
-        return(sysex[4]);
-      else
-	return(-4);
-      break;
-    case 163: // 1 Voice bulk upload
-      if ((sysex[3] & 0x7f) != 0)
-        return(-5);
-
-      if (((sysex[4] << 7) | sysex[5]) != 0x9b)
-        return(-6);
-
-      // checksum calculation
-      for (uint8_t i = 0; i < 155 ; i++)
-        bulk_checksum_calc -= sysex[i + 6];
-      bulk_checksum_calc &= 0x7f;
-
-      if (bulk_checksum_calc != bulk_checksum)
-        return(-7);
-
-      return(100);
-      break;
-    case 4104: // 1 Bank bulk upload
-      if ((sysex[3] & 0x7f) != 9)
-        return(-8);
-
-      if (((sysex[4] << 7) | sysex[5]) != 0x1000)
-        return(-9);
-
-      // checksum calculation
-      for (uint16_t i = 0; i < 4096 ; i++)
-        bulk_checksum_calc -= sysex[i + 6];
-      bulk_checksum_calc &= 0x7f;
-
-      if (bulk_checksum_calc != bulk_checksum)
-        return(-10);
-
-      return(200);
-      break;
-    default:
-      return(-11);
-  }
-  return(SHRT_MIN);
-}
diff --git a/src/mididevice.h b/src/mididevice.h
index d3eba67..38002b7 100644
--- a/src/mididevice.h
+++ b/src/mididevice.h
@@ -74,7 +74,6 @@ protected:
 	void MIDIMessageHandler (const u8 *pMessage, size_t nLength, unsigned nCable = 0);
 	void AddDevice (const char *pDeviceName);
 	void HandleSystemExclusive(const uint8_t* pMessage, const size_t nLength, const unsigned nCable, const uint8_t nTG);
-	int16_t checkSystemExclusive(const uint8_t* sysex, const uint16_t len);
 private:
 	CMiniDexed *m_pSynthesizer;
 	CConfig *m_pConfig;