Index: MsgDefs.h
===================================================================
diff -u -r4a07e2337f10451bf526118eb87e70704cbc4a1a -r67c7f75de952b2adb149485240dcf353bd13e247
--- MsgDefs.h	(.../MsgDefs.h)	(revision 4a07e2337f10451bf526118eb87e70704cbc4a1a)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 67c7f75de952b2adb149485240dcf353bd13e247)
@@ -365,6 +365,20 @@
     MSG_ID_DD_BICART_DRAIN_REQUEST_OVERRIDE_REQUEST = 0xA05A,                       ///< DD bicarb drain request overrride request
     MSG_ID_DD_BICART_CARTRIDGE_SELECT_OVERRIDE_REQUEST = 0xA05B,                    ///< DD bicarb cartridge select(small-0, large-1) overrride request
 
+    MSG_ID_DD_NVM_GET_RECORD = 0xA05C,                                              ///< DD Non volatile Memory Calibration send to UI
+    MSG_ID_DD_NVM_SEND_CALIBRATION_RECORD = 0xA05D,                                  ///< DD Non volatile Memory Calibration receive from UI
+    MSG_ID_DD_NVM_SET_CALIBRATION_RECORD = 0xA05D,                                  ///< DD Non volatile Memory Calibration receive from UI
+    MSG_ID_DD_NVM_SEND_SYSTEM_RECORD  = 0xA05E,                                      ///< DD Non volatile Memory System Record send to UI
+    MSG_ID_DD_NVM_SET_SYSTEM_RECORD  = 0xA05F,                                      ///< DD Non volatile Memory System Record receive from UI
+    MSG_ID_DD_NVM_SEND_SERVICE_RECORD  = 0xA060,                                     ///< DD Non volatile Memory Service Record send to UI
+    MSG_ID_DD_NVM_SET_SERVICE_RECORD  = 0xA061,                                     ///< DD Non volatile Memory Service Record receive from UI
+    MSG_ID_DD_NVM_SEND_USAGE_INFO_RECORD  = 0xA062,                                  ///< DD Non volatile Memory Usage Info Record send to UI
+    MSG_ID_DD_NVM_SET_USAGE_INFO_RECORD  = 0xA063,                                  ///< DD Non volatile Memory Usage Info Record receive from UI
+#ifndef _RELEASE_
+    MSG_ID_DD_NVM_SEND_SW_CONFIG_RECORD  = 0xA064,                                   ///< DD Non volatile Memory Software Configuration Record send to UI
+    MSG_ID_DD_NVM_SET_SW_CONFIG_RECORD  = 0xA065,                                   ///< DD Non volatile Memory Software Configuration Record receive from UI
+#endif
+
 #ifdef __TEENSY_CONDUCTIVITY_DRIVER__
     MSG_ID_DD_SET_CONDUCTIVITY_MODEL_REQUEST = 0xA100,                              ///< DD set conductivity model to conductivity sensors ( also applies to FP conductivity sensors )
     MSG_ID_DD_CONDUCTIVITY_SENSOR_RESISTANCE_OVERRIDE_REQUEST = 0xA101,             ///< DD conductivity sensor resistance override request