Index: MsgDefs.h
===================================================================
diff -u -r0d4e3836373a771ab8ca90b177b6afcc2e62093f -rcccd9c9d23a6be09d331ab3aae8b7415757b682d
--- MsgDefs.h	(.../MsgDefs.h)	(revision 0d4e3836373a771ab8ca90b177b6afcc2e62093f)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision cccd9c9d23a6be09d331ab3aae8b7415757b682d)
@@ -478,6 +478,8 @@
     MSG_ID_DD_BICART_DEPRESSURISE_REQUEST_OVERRIDE_REQUEST = 0xA074,                    ///< DD dry bicart depressurise overrride request
     MSG_ID_DD_TREATMENT_PARAMS_OVERRIDE_REQUEST = 0xA075,                               ///< DD Treatment parameters override request
     MSG_ID_DD_NVM_RECORD_CRC_OVERRIDE_REQUEST  = 0xA076,                                ///< DD NVM Record CRC override Request
+    MSG_ID_DD_MIXING_BICARB_CONTROL_INTERVAL_OVERRIDE_REQUEST = 0xA077,                 ///< DD Bicarb volume control interval
+    MSG_ID_DD_MIXING_ACID_CONTROL_INTERVAL_OVERRIDE_REQUEST = 0xA078,                   ///< DD Acid volume control interval
 
     MSG_ID_FIRST_FP_TESTER_MESSAGE = 0xB000,                                            ///< First FP test message ID
     MSG_ID_FP_TESTER_LOGIN_REQUEST = MSG_ID_FIRST_FP_TESTER_MESSAGE,                    ///< FP tester log-in