Index: MsgDefs.h
===================================================================
diff -u -r7582fe2dfe1b4152671b2e27f817ef496a04424c -re31db63cec48e8143ad11cda8bf672690db7539b
--- MsgDefs.h	(.../MsgDefs.h)	(revision 7582fe2dfe1b4152671b2e27f817ef496a04424c)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision e31db63cec48e8143ad11cda8bf672690db7539b)
@@ -245,7 +245,7 @@
     MSG_ID_PRESSURE_VENOUS_OVERRIDE = 0x8018,                           ///< Venous pressure measured override request
     MSG_ID_OCCLUSION_BLOOD_PUMP_OVERRIDE = 0x8019,                      ///< Blood pump occlusion pressure measured override request
     MSG_ID_BLOOD_ROTOR_COUNT_OVERRIDE = 0x801A,                         ///< Blood pump rotor count override request
-    MSG_ID_SET_ARTERIAL_PRESSURE_OFFSET = 0x801B,                       ///< Set arterial pressure offset request
+    MSG_ID____AVAILABLE_1 = 0x801B,                                     ///< Unused - this message ID is available for use
     MSG_ID_PRES_OCCL_SEND_INTERVAL_OVERRIDE = 0x801C,                   ///< Pressure and occlusion broadcast interval override request
     MSG_ID_SET_RTC_DATE_TIME = 0x801D,                                  ///< RTC set date/time request
     MSG_ID_DIAL_OUT_FLOW_SEND_INTERVAL_OVERRIDE = 0x801E,               ///< Dialysate outlet flow broadcast interval override request