Index: firmware/App/Modes/OperationModes.c
===================================================================
diff -u -ra5560a2917aa62bcafd8e6a81041ace723237109 -rb89d157b56dce2daf63f4a9e9df9ef6636f2bf44
--- firmware/App/Modes/OperationModes.c	(.../OperationModes.c)	(revision a5560a2917aa62bcafd8e6a81041ace723237109)
+++ firmware/App/Modes/OperationModes.c	(.../OperationModes.c)	(revision b89d157b56dce2daf63f4a9e9df9ef6636f2bf44)
@@ -23,7 +23,7 @@
 #include "ModeFault.h"
 #include "ModeStandby.h"
 #include "ModeTxParams.h"
-//#include "ModePreTreat.h"
+#include "ModePreTreat.h"
 #include "ModeTreatment.h"
 //#include "ModePostTreat.h"
 //#include "NVDataMgmt.h"
@@ -150,7 +150,7 @@
 
 #ifndef TEST_UI_ONLY
     // Verify mode transition is legal unless tester working with system    TODO - restore check when all modes are implemented
-    if ( ( isTestingActivated() != TRUE ) && ( getTestConfigStatus( TEST_CONFIG_RECOVER_TREATMENT ) != TRUE ) )
+//    if ( ( isTestingActivated() != TRUE ) && ( getTestConfigStatus( TEST_CONFIG_RECOVER_TREATMENT ) != TRUE ) )
     {
         newMode = MODE_TRANSITION_TABLE[ currentMode ][ newMode ];
     }
@@ -207,10 +207,10 @@
             currentSubMode = execTreatParamsMode();
             break;
 
-//        case MODE_PRET:
-//            currentSubMode = execPreTreatmentMode();
-//            break;
-//
+        case MODE_PRET:
+            currentSubMode = execPreTreatmentMode();
+            break;
+
         case MODE_TREA:
             currentSubMode = execTreatmentMode();
             break;
@@ -395,6 +395,8 @@
  *************************************************************************/
 static void transitionToNewOperationMode( TD_OP_MODE_T newMode )
 {
+    SEND_EVENT_WITH_2_U32_DATA( TD_EVENT_OP_MODE_CHANGE, lastMode, newMode )
+
     // Setup for new operating mode
     switch ( newMode )
     {
@@ -413,9 +415,9 @@
         case MODE_TPAR:
             currentSubMode = transitionToTreatParamsMode();
             break;
-//        case MODE_PRET:
-//            currentSubMode = transitionToPreTreatmentMode();
-//            break;
+        case MODE_PRET:
+            currentSubMode = transitionToPreTreatmentMode();
+            break;
         case MODE_TREA:
             currentSubMode = transitionToTreatmentMode();
             break;