Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -rc5f3dfc2a87c35036f21f969f6e762ae779839f2 -r607854ec35335ec37a9e83976a4fb6655cc0fe90
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision c5f3dfc2a87c35036f21f969f6e762ae779839f2)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 607854ec35335ec37a9e83976a4fb6655cc0fe90)
@@ -1144,6 +1144,14 @@
             handleDGMixingRatios( message );
             break;
 
+        case MSG_ID_HD_GET_USAGE_INFO_RECORD:
+            handleGetHDUsageInfoRecord( message );
+            break;
+
+        case MSG_ID_HD_SET_USAGE_INFO_RECORD:
+            handleSetHDUsageInfoRecord( message );
+            break;
+
         // NOTE: this always must be the last case
         case MSG_ID_TESTER_LOGIN_REQUEST:
             handleTesterLogInRequest( message );