Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -r9f2e4e5933d2e418b75f91e3db5df69c71878d43 -r6d05f4b1484a9271d8cf3b529dbb7e5080e7c954
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 9f2e4e5933d2e418b75f91e3db5df69c71878d43)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 6d05f4b1484a9271d8cf3b529dbb7e5080e7c954)
@@ -1572,6 +1572,34 @@
                 handleTestSyringePumpMeasuredVolumeOverrideRequest( message );
                 break;
 
+            case MSG_ID_HD_MONITORED_VOLTAGES_SEND_INTERVAL_OVERRIDE:
+                handleTestMonitoredVoltagesSendIntervalOverrideRequest( message );
+                break;
+
+            case MSG_ID_HD_MONITORED_VOLTAGES_OVERRIDE:
+                handleTestMonitoredVoltageOverrideRequest( message );
+                break;
+
+            case MSG_ID_HD_ALARM_INFO_SEND_INTERVAL_OVERRIDE:
+                handleTestAlarmInfoSendIntervalOverrideRequest( message );
+                break;
+
+            case MSG_ID_HD_ALARM_AUDIO_VOLUME_LEVEL_OVERRIDE:
+                handleTestAlarmAudioVolumeOverrideRequest( message );
+                break;
+
+            case MSG_ID_HD_ALARM_AUDIO_CURRENT_HG_OVERRIDE:
+                handleTestAlarmAudioCurrentHgOverrideRequest( message );
+                break;
+
+            case MSG_ID_HD_ALARM_AUDIO_CURRENT_LG_OVERRIDE:
+                handleTestAlarmAudioCurrentLgOverrideRequest( message );
+                break;
+
+            case MSG_ID_HD_ALARM_BACKUP_AUDIO_CURRENT_OVERRIDE:
+                handleTestAlarmBackupAudioCurrentOverrideRequest( message );
+                break;
+
             default:
                 // Unrecognized message ID received - ignore
                 break;