Index: MsgDefs.h
===================================================================
diff -u -rcc2857a0e8bfa6935286c48be72fb99bc6069126 -r80d2807deee485973b52173a9a639459e5398052
--- MsgDefs.h	(.../MsgDefs.h)	(revision cc2857a0e8bfa6935286c48be72fb99bc6069126)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 80d2807deee485973b52173a9a639459e5398052)
@@ -91,7 +91,9 @@
     MSG_ID_UI_TREATMENT_END_REQUEST = 0x3C,                             ///< UI user treatment end request
     MSG_ID_HD_TREATMENT_END_RESPONSE = 0x3D,                            ///< HD response to user request to end treatment
     MSG_ID_HD_AIR_TRAP_DATA = 0x3E,                                     ///< HD broadcast of air trap data
-    MSG_ID_USER_UF_PAUSE_RESUME_RESPONSE = 0x3F,                        ///< HD response to user request to pause or resume ultrafiltration
+    MSG_ID_UI_ALARM_USER_ACKNOWLEDGE = 0x3F,                            ///< UI user has acknowledged alarm
+    MSG_ID_UI_ALARM_USER_ACTION = 0x40,                                 ///< UI user has requested an alarm action
+    MSG_ID_USER_UF_PAUSE_RESUME_RESPONSE = 0x41,                        ///< HD response to user request to pause or resume ultrafiltration
 
 #ifdef EMC_TEST_BUILD
     MSG_ID_CAN_ERROR_COUNT = 0x999,  // test code in support of EMC testing
@@ -155,6 +157,9 @@
     MSG_ID_HD_SOFTWARE_RESET_REQUEST = 0x8034,                          ///< HD reset request
     MSG_ID_BLOOD_FLOW_SIG_STRENGTH_OVERRIDE = 0x8035,                   ///< Blood flow signal strength override request
     MSG_ID_DIAL_IN_FLOW_SIG_STRENGTH_OVERRIDE = 0x8036,                 ///< Dialysate flow signal strength override request
+    MSG_ID_BLOOD_PUMP_HOME_CMD = 0x8037,                                ///< Blood pump home command
+    MSG_ID_DIAL_IN_PUMP_HOME_CMD = 0x8038,                              ///< Dialysate inlet pump home command
+    MSG_ID_DIAL_OUT_PUMP_HOME_CMD = 0x8039,                             ///< Dialysate outlet pump home command
 
     MSG_ID_FIRST_DG_TESTER_MESSAGE = 0xA000,                            ///< First DG test message ID
     MSG_ID_DG_TESTER_LOGIN_REQUEST = MSG_ID_FIRST_DG_TESTER_MESSAGE,    ///< DG tester log-in