Index: firmware/App/Services/NVRecordsDD.h
===================================================================
diff -u -rbe1ff666dbd2ff03342c22c8e50b21d0f9b988a9 -r1ce98afa73e6c88addb3a01643c791c15e7a147c
--- firmware/App/Services/NVRecordsDD.h	(.../NVRecordsDD.h)	(revision be1ff666dbd2ff03342c22c8e50b21d0f9b988a9)
+++ firmware/App/Services/NVRecordsDD.h	(.../NVRecordsDD.h)	(revision 1ce98afa73e6c88addb3a01643c791c15e7a147c)
@@ -73,6 +73,7 @@
 typedef enum DD_Cal_Records_Type
 {
     DD_CAL_RECORD_PRESSURE_SENSOR = 0,                                          ///< Index for pressure sensors calibration data.
+    DD_CAL_FIRST_RECORD = DD_CAL_RECORD_PRESSURE_SENSOR,                        ///< First component of the calibration data.
     DD_CAL_RECORD_TEMPERATURE_SENSOR,                                           ///< Index for temperature sensors calibration data.
     DD_CAL_RECORD_CONCENTRATE_PUMP,                                             ///< Index for concentrate pumps calibration record.
     DD_CAL_RECORD_D12_PUMP,                                                     ///< Index for D12 dialysate pump calibration record.
@@ -88,6 +89,7 @@
 typedef enum DD_Instit_Records_Type
 {
     DD_INSTIT_MIN_DIALYSATE_FLOW_MLPM = 0,                                      ///< Index for Min dialysate flow in mL/min.
+    DD_INSTIT_FIRST_PARAM = DD_INSTIT_MIN_DIALYSATE_FLOW_MLPM,                  ///< First Parameter of the Institutional record.
     DD_INSTIT_MAX_DIALYSATE_FLOW_MLPM,                                          ///< Index for Max dialysate flow in mL/min.
     DD_INSTIT_MIN_DIALYSATE_TEMP_C,                                             ///< Index for Min dialysate temperature in C.
     DD_INSTIT_MAX_DIALYSATE_TEMP_C,                                             ///< Index for Max dialysate temperature in C.
@@ -109,7 +111,7 @@
     DD_INSTIT_MIN_BICARB_ALARM_LIMIT_PCT,                                       ///< Index for Min bicarbonate alarm limit in percent.
     DD_INSTIT_POST_TREAT_DRAIN_OPTION,                                          ///< Index for Dialysate Post Treatment Drain Option 
     DD_INSTIT_POST_TREAT_DRY_BICARB_OPTION,                                     ///< Index for Dry Bicarbonate Post Treatment Option 
-    DD_INSTIT_CALIBRATION_TIME,                                                 ///< Index for Calibration time in epoch.
+    DD_INSTIT_LAST_UPDATED_TIME,                                                ///< Index for last updated time in epoch.
     DD_INSTIT_CRC,                                                              ///< Index for CRC of the institutional record.
     NUM_OF_DD_INSTIT_RECORD_TYPE                                                ///< Total number of components in institutional record
 }DD_INSTIT_REC_TYPE;
@@ -298,7 +300,7 @@
     F32 minBicarbAlarmLimitPCT;                                                 ///< Min bicarbonate alarm limit in percent.
     U32 postTreatDrainOption;                                                   ///< Dialysate Post Treatment Drain Option 
     U32 postTreatDryBicarbOption;                                               ///< Dry Bicarbonate Post Treatment Option 
-    U32 calibrationTime;                                                        ///< Calibration time in epoch.
+    U32 lastUpdatedTime;                                                        ///< Last time when institutional setting was updated in epoch.
     U16 crc;                                                                    ///< CRC of the institutional record.
 } DD_INSTITUTIONAL_RECORD_T;