Index: MsgDefs.h
===================================================================
diff -u -rc8d557db959085f9cdaa1eecdd04781b60f2040d -r558bf93d65b0504f7cc2a775d9400661b8800383
--- MsgDefs.h	(.../MsgDefs.h)	(revision c8d557db959085f9cdaa1eecdd04781b60f2040d)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 558bf93d65b0504f7cc2a775d9400661b8800383)
@@ -196,6 +196,8 @@
     MSG_ID_DD_BC_VALVE_STATES_OVERRIDE_REQUEST = 0xA036,                            ///< DD balancing chamber valve states override request
     MSG_ID_DD_BC_SWITCH_ONLY_START_STOP_OVERRIDE_REQUEST = 0xA037,                  ///< DD balancing chamber switch only start/stop override request
     MSG_ID_DD_HYD_CHAMBER_TARGET_TEMP_OVERRIDE_REQUEST = 0xA038,                    ///< DD Hydraulic chamber target temperature override request
+    MSG_ID_DD_ACID_DOSING_VOLUME_OVERRIDE_REQUEST = 0xA039,                         ///< DD acid dosing volume override request
+    MSG_ID_DD_BICARB_DOSING_VOLUME_OVERRIDE_REQUEST = 0xA03A,                       ///< DD bicarb dosing volume override request
 #ifdef __PUMPTEST__
     MSG_ID_DD_PISTON_PUMP_DATA_PUBLISH_OVERRIDE_REQUEST = 0xAF00,                   ///< DD piston pump data publish interval override request
     MSG_ID_DD_PISTON_PUMP_START_STOP_OVERRIDE_REQUEST = 0xAF01,                     ///< DD piston pump start/stop override request