Index: sources/gui/qml/pages/pretreatment/PreTreatmentStack.qml
===================================================================
diff -u -r301c0a2101eb9374145ae274c8d91460fc9a6a62 -rf68b226e67eb500758ee94fe015df48931240013
--- sources/gui/qml/pages/pretreatment/PreTreatmentStack.qml	(.../PreTreatmentStack.qml)	(revision 301c0a2101eb9374145ae274c8d91460fc9a6a62)
+++ sources/gui/qml/pages/pretreatment/PreTreatmentStack.qml	(.../PreTreatmentStack.qml)	(revision f68b226e67eb500758ee94fe015df48931240013)
@@ -39,15 +39,15 @@
     PreTreatmentConnectionStack { id: _pretreatmentConnectionStack      ;objectName: "_pretreatmentConnectionStack " }
 
     Connections { target: vPreTreatmentStates
-        onStartChanged              : {}
-        onWaterSampleChanged        : { page( _preTreatmentWaterSampleStack , vwaterSample          )}
-        onSelfTestConsumablesChanged: { page( _preTreatmentConsumablesStack , vselfTestConsumables  )}
-        onSelfTestNoCartridgeChanged: { page( _preTreatmentDisposablesStack , vselfTestNoCartridge  )}
-        onInstallationChanged       : { page( _preTreatmentDisposablesStack , vinstallation         )} // DEBUG: Experimental : console.debug("vinstallation       "
-        onSelfTestDryChanged        : { page( _pretreatmentPrimeStack       , vselfTestDry          )}
-        onPrimeChanged              : { page( _pretreatmentPrimeStack       , vprime                )} // DEBUG: Experimental : console.debug("vprime              "
-        onRecirculateChanged        : { page( _pretreatmentPrimeStack       , vrecirculate          )} // DEBUG: Experimental : console.debug("vrecirculate        "
-        onPatientConnectionChanged  : { page( _pretreatmentConnectionStack  , vpatientConnection    )}
+        function onStartChanged                 ( vValue ) {}
+        function onWaterSampleChanged           ( vValue ) { page( _preTreatmentWaterSampleStack , vValue )}
+        function onSelfTestConsumablesChanged   ( vValue ) { page( _preTreatmentConsumablesStack , vValue )}
+        function onSelfTestNoCartridgeChanged   ( vValue ) { page( _preTreatmentDisposablesStack , vValue )}
+        function onInstallationChanged          ( vValue ) { page( _preTreatmentDisposablesStack , vValue )} // DEBUG: Experimental : console.debug("vinstallation       "
+        function onSelfTestDryChanged           ( vValue ) { page( _pretreatmentPrimeStack       , vValue )}
+        function onPrimeChanged                 ( vValue ) { page( _pretreatmentPrimeStack       , vValue )} // DEBUG: Experimental : console.debug("vprime              "
+        function onRecirculateChanged           ( vValue ) { page( _pretreatmentPrimeStack       , vValue )} // DEBUG: Experimental : console.debug("vrecirculate        "
+        function onPatientConnectionChanged     ( vValue ) { page( _pretreatmentConnectionStack  , vValue )}
     }
 
     onVisibleChanged: {