Index: sources/gui/qml/pages/pretreatment/PreTreatmentBase.qml
===================================================================
diff -u -ra5760947d3ed0d2748ba023a1c25e3c6aa0b1de1 -r41ba9331e6a540df0c8eced0c4d3b8684afa9afa
--- sources/gui/qml/pages/pretreatment/PreTreatmentBase.qml	(.../PreTreatmentBase.qml)	(revision a5760947d3ed0d2748ba023a1c25e3c6aa0b1de1)
+++ sources/gui/qml/pages/pretreatment/PreTreatmentBase.qml	(.../PreTreatmentBase.qml)	(revision 41ba9331e6a540df0c8eced0c4d3b8684afa9afa)
@@ -27,15 +27,23 @@
  */
 TreatmentFlowBase { id: _root
     objectName: "_PreTreatmentBase"
-    header.stepNames: [
-            qsTr("Create"           ),
-            qsTr("Sample"           ),
-            qsTr("Consumables"      ),
-            qsTr("Disposables"      ),
-            qsTr("Prime"            ),
-            qsTr("BP/HR"            ),
-            qsTr("Ultrafiltration"  ),
-            qsTr("Connection"       ),
-            qsTr("Start"            ),
-        ]
+    header.visible : false
+
+    onVisibleChanged: {
+        if (visible) {
+            _root.updateModel(stackStepIndex)
+        }
+    }
+
+    function updateModel (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
+        }
+    }
 }