Index: MsgDefs.h
===================================================================
diff -u -r42d796b7a65b8cb96457dd099589ff0dfb1030e1 -r436a133a02043c225bd33bb9bcb21cc9d6d6d019
--- MsgDefs.h	(.../MsgDefs.h)	(revision 42d796b7a65b8cb96457dd099589ff0dfb1030e1)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 436a133a02043c225bd33bb9bcb21cc9d6d6d019)
@@ -29,16 +29,16 @@
 /// Enumeration of system message IDs
 enum Msg_IDs
 {   // normal CAN messages
-    MSG_ID_UNUSED = 0,                                                  ///< Zero is an undefined (un-used) message ID)
-    MSG_ID_OFF_BUTTON_PRESS = 1,                                        ///< HD/UI off button interactions
-    MSG_ID_ALARM_STATUS = 2,                                            ///< HD broadcast of system alarm state information
-    MSG_ID_ALARM_TRIGGERED = 3,                                         ///< Alarm triggered event
-    MSG_ID_ALARM_CLEARED = 4,                                           ///< Alarm cleared event
-    MSG_ID_BLOOD_FLOW_DATA = 5,                                         ///< HD broadcast of blood flow/pump data
-    MSG_ID_DG_CHECK_IN = 6,                                             ///< DG check-in with HD
-    MSG_ID_UI_CHECK_IN = 7,                                             ///< UI check-in with HD
-    MSG_ID_DIALYSATE_FLOW_DATA = 8,                                     ///< HD broadcast of dialysate inlet flow/pump data
-    MSG_ID_PRESSURE_OCCLUSION_DATA = 9,                                 ///< HD broadcast of pressure/occlusion data
+    MSG_ID_UNUSED = 0x0,                                                ///< Zero is an undefined (un-used) message ID)
+    MSG_ID_OFF_BUTTON_PRESS = 0x1,                                      ///< HD/UI off button interactions
+    MSG_ID_ALARM_STATUS = 0x2,                                          ///< HD broadcast of system alarm state information
+    MSG_ID_ALARM_TRIGGERED = 0x3,                                       ///< Alarm triggered event
+    MSG_ID_ALARM_CLEARED = 0x4,                                         ///< Alarm cleared event
+    MSG_ID_BLOOD_FLOW_DATA = 0x5,                                       ///< HD broadcast of blood flow/pump data
+    MSG_ID_DG_CHECK_IN = 0x6,                                           ///< DG check-in with HD
+    MSG_ID_UI_CHECK_IN = 0x7,                                           ///< UI check-in with HD
+    MSG_ID_DIALYSATE_FLOW_DATA = 0x8,                                   ///< HD broadcast of dialysate inlet flow/pump data
+    MSG_ID_PRESSURE_OCCLUSION_DATA = 0x9,                               ///< HD broadcast of pressure/occlusion data
     MSG_ID_RTC_EPOCH = 0xA,                                             ///< HD broadcast of current date and time from clock
     MSG_ID_DIALYSATE_OUT_FLOW_DATA = 0xB,                               ///< HD broadcast of dialysate outlet flow/pump/load cell data
     MSG_ID_LOAD_CELL_READINGS = 0xC,                                    ///< DG broadcast of load cell weights