Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -r3b70632c04247a6973960e1f37ae73eb4384a6b7 -rfc11115c26447a2da7b12f5f38ff0d4af06c579b
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 3b70632c04247a6973960e1f37ae73eb4384a6b7)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision fc11115c26447a2da7b12f5f38ff0d4af06c579b)
@@ -811,6 +811,10 @@
             handleAlarmClear( message );
             break;
 
+        case MSG_ID_RTC_EPOCH:
+            handleRTCSyncFromHD( message );
+            break;
+
         case MSG_ID_SET_DG_DIALYSATE_TEMP_TARGETS:
             handleSetDialysateTemperatureCmd( message );
             break;
@@ -888,6 +892,9 @@
             handleServiceModeRequest( message );
             break;
 
+        case MSG_ID_HD_REQUEST_DG_USAGE_INFO:
+            break;
+
         // NOTE: This case must be last
         case MSG_ID_DG_TESTER_LOGIN_REQUEST:
             handleTesterLogInRequest( message );
@@ -1129,11 +1136,11 @@
                 break;
 
             case MSG_ID_FILTER_FLUSH_TIME_PERIOD_OVERRIDE:
-                handleFilterFlushTimePeriodOverride( message );
+                handleFilterFlushTimePeriodOverride(message);
                 break;
 
-            case MSG_ID_DG_FANS_RPM_OVERRIDE:
-                handleFansRPMOverride( message );
+            case MSG_ID_DG_BLOCK_MESSAGE_TRANSMISSION:
+                handleTestBlockMessagesRequest( message );
                 break;
 
             case MSG_ID_DG_STOP_RTC_CLOCK:
@@ -1144,10 +1151,6 @@
                 handleSetDrainPumpMeasuredRPMOverrideRequest( message );
                 break;
 
-            case MSG_ID_DG_BLOCK_MESSAGE_TRANSMISSION:
-                handleTestBlockMessagesRequest( message );
-                break;
-
             case MSG_ID_DG_SUPER_CLEAR_ALARMS_CMD:
                 handleTestSuperClearAlarmsRequest( message );
                 break;
@@ -1160,6 +1163,10 @@
                 handleTestFansRPMAlarmStartTimeOffsetRequest( message );
                 break;
 
+            case MSG_ID_DG_FANS_RPM_OVERRIDE:
+                handleFansRPMOverride( message );
+                break;
+
             case MSG_ID_DG_USED_ACID_VOLUME_ML_OVERRIDE:
                 handleTestUsedAcidVolumeMLOverrideRequest( message );
                 break;
@@ -1200,6 +1207,10 @@
                 handleTestTareReservoirRequest( message );
                 break;
 
+            case MSG_ID_HD_REQUEST_DG_ALARMS:
+                handleResendAllAlarmsCommand( message );
+                break;
+
             default:
                 // TODO - unrecognized message ID received - ignore
                 break;