Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -r6419179374edcd65da462de84e8aeaefb7e20320 -r9f2e4e5933d2e418b75f91e3db5df69c71878d43
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 6419179374edcd65da462de84e8aeaefb7e20320)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 9f2e4e5933d2e418b75f91e3db5df69c71878d43)
@@ -36,6 +36,7 @@
 #include "Rinseback.h"
 #include "SyringePump.h"
 #include "Valves.h"
+#include "Voltages.h"
 
 /**
  *  @defgroup SystemCommMessages SystemCommMessages
@@ -171,6 +172,12 @@
 // MSG_ID_HD_HEPARIN_PAUSE_RESUME_RESPONSE
 BOOL sendHeparinCommandResponse( U32 accepted, U32 rejReason );
 
+// MSG_ID_UI_SET_ALARM_AUDIO_VOLUME_LEVEL_CMD
+void handleAlarmAudioVolumeSetCmd( MESSAGE_T *message );
+
+// MSG_ID_HD_ALARM_AUDIO_VOLUME_SET_RESPONSE
+BOOL sendAlarmAudioVolumeSetResponse( U32 accepted, U32 rejReason );
+
 // MSG_ID_UI_SAMPLE_WATER_CMD
 void handleSampleWaterCmd( MESSAGE_T *message );
 
@@ -297,6 +304,9 @@
 
 // MSG_ID_PRESSURE_OCCLUSION_DATA
 BOOL broadcastPresOcclData( PRESSURE_OCCLUSION_DATA_T data );
+
+// MSG_ID_HD_VOLTAGES_DATA
+BOOL broadcastVoltagesData( VOLTAGES_DATA_PAYLOAD_T data );
 
 // MSG_ID_RTC_EPOCH
 BOOL broadcastRTCEpoch( U32 epoch );