Index: NVDataMgmtHDRecords.h
===================================================================
diff -u -rce9c43081997fda665170fc2b07815706db77666 -r793c9593c95fc6ecb33130a6b4a340c825ff01b8
--- NVDataMgmtHDRecords.h	(.../NVDataMgmtHDRecords.h)	(revision ce9c43081997fda665170fc2b07815706db77666)
+++ NVDataMgmtHDRecords.h	(.../NVDataMgmtHDRecords.h)	(revision 793c9593c95fc6ecb33130a6b4a340c825ff01b8)
@@ -254,7 +254,9 @@
 /// HD usage info structure.
 typedef struct
 {
-    U32 treatmentTime;                                                                                          ///< Treatment time.
+    F32 txTimeTotalHrs;                                                                                         ///< Treatment time total in hours (never reset).
+    F32 txTimeSinceLastSrvcHrs;                                                                                 ///< Treatment time since last service in hours.
+    U32 txLastEpochDate;                                                                                        ///< Last tretment time in epoch.
     U16 crc;                                                                                                    ///< CRC for the HD usage info structure.
 } HD_USAGE_INFO_RECORD_T;