Index: sources/gui/qml/pages/pretreatment/PreTreatmentBase.qml
===================================================================
diff -u -rb59827b661a423b2b1ad2ca7b8611c2c0be7bd6a -r41ba9331e6a540df0c8eced0c4d3b8684afa9afa
--- sources/gui/qml/pages/pretreatment/PreTreatmentBase.qml	(.../PreTreatmentBase.qml)	(revision b59827b661a423b2b1ad2ca7b8611c2c0be7bd6a)
+++ sources/gui/qml/pages/pretreatment/PreTreatmentBase.qml	(.../PreTreatmentBase.qml)	(revision 41ba9331e6a540df0c8eced0c4d3b8684afa9afa)
@@ -27,16 +27,7 @@
  */
 TreatmentFlowBase { id: _root
     objectName: "_PreTreatmentBase"
-    header.stepNames: [
-            qsTr("Installation" ),
-            qsTr("Self-Tests"   ),
-            qsTr("Saline"       ),
-            qsTr("Prime"        ),
-            qsTr("Rx"           ),
-            qsTr("UF"           ),
-            qsTr("Connect"      ),
-        ]
-    header.stepLineLength   : 100
+    header.visible : false
 
     onVisibleChanged: {
         if (visible) {
@@ -45,18 +36,14 @@
     }
 
     function updateModel (index) {
-        let  group = _root.header.stepNames[index]
+        let  group = stepNames[index]
         if ( group === undefined ) group = ""
         let instructionsGroup    = vSettings.instructions[group]
 
         if ( instructionsGroup !== undefined ) {
             instructionTitle      = instructionsGroup.title
             instructionStepNames  = instructionsGroup.keys
             instructionStepImages = instructionsGroup.values
-
-            print("instructionTitle "       + instructionTitle)
-            print("instructionStepNames "   + instructionStepNames)
-            print("instructionStepImages "  + instructionStepImages)
         }
     }
 }