Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -rcef8149cb8dfbd5c91c32f5318334c5db2366f7e -r45a5b4b93d1793860d5a000406591ee5cf6935d6
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision cef8149cb8dfbd5c91c32f5318334c5db2366f7e)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 45a5b4b93d1793860d5a000406591ee5cf6935d6)
@@ -8,7 +8,7 @@
 * @file    SystemComm.c
 *
 * @author  (last)      Dara Navaei
-* @date    (last)      23-May-2022
+* @date    (last)      21-Sep-2022
 *
 * @author  (original)  Dara Navaei
 * @date    (original)  05-Nov-2019
@@ -817,6 +817,10 @@
             handleAlarmClear( message );
             break;
 
+        case MSG_ID_RTC_EPOCH:
+            handleRTCSyncFromHD( message );
+            break;
+
         case MSG_ID_SET_DG_DIALYSATE_TEMP_TARGETS:
             handleSetDialysateTemperatureCmd( message );
             break;
@@ -890,6 +894,10 @@
             handleDGScheduledRunsRequest( message );
             break;
 
+        case MSG_ID_HD_REQUEST_DG_SERVICE_MODE:
+            handleServiceModeRequest( message );
+            break;
+
         // NOTE: This case must be last
         case MSG_ID_DG_TESTER_LOGIN_REQUEST:
             handleTesterLogInRequest( message );
@@ -1198,6 +1206,14 @@
                 handleResendAllAlarmsCommand( message );
                 break;
 
+            case MSG_ID_DG_SET_OP_MODE_REQUEST:
+                handleTestSetOpModeRequest( message );
+                break;
+
+            case MSG_ID_DG_RESERVOIR_TARE_REQUEST:
+                handleTestTareReservoirRequest( message );
+                break;
+
             default:
                 // TODO - unrecognized message ID received - ignore
                 break;