Index: sources/gui/qml/pages/treatment/TreatmentTrends.qml
===================================================================
diff -u -rcdf3731b3aa395afa89430e81b1076087f3a2776 -r3f45841f8e2fa936666f8de8e2a02fe19fb39a8d
--- sources/gui/qml/pages/treatment/TreatmentTrends.qml	(.../TreatmentTrends.qml)	(revision cdf3731b3aa395afa89430e81b1076087f3a2776)
+++ sources/gui/qml/pages/treatment/TreatmentTrends.qml	(.../TreatmentTrends.qml)	(revision 3f45841f8e2fa936666f8de8e2a02fe19fb39a8d)
@@ -28,9 +28,9 @@
  */
 ScreenItem { id: _root
     objectName: "_TreatmentTrends"
+    property alias isParamExpanded: _paramArea.isExpanded
 
     onVisibleChanged: {
-        _paramArea.isExpanded = false
         _paramList.positionViewAtBeginning()
         _historyList.positionViewAtBeginning()
     }
@@ -264,7 +264,7 @@
 
         Rectangle { id: _paramArea
             objectName              : "_paramArea"
-            property bool isExpanded: false
+            property bool isExpanded: true
             anchors {
                 top     : parent.top
                 bottom  : parent.bottom
@@ -365,6 +365,7 @@
                 ListView { id: _paramList
                     objectName: "_paramList"
                     readonly property int visibleParamCount: _paramArea.isExpanded ? 7 : 5
+                    readonly property int modelCount: model.count ?? 0
                     
                     anchors {
                         fill        : parent
@@ -454,6 +455,8 @@
                     }
 
                     Behavior on contentX { NumberAnimation { duration: 200 } }
+
+                    onModelCountChanged: { positionViewAtBeginning() }
                 }
             }
 
@@ -620,6 +623,8 @@
 
             ListView { id: _historyList
                 objectName: "_historyList"
+                readonly property int modelCount: model.count ?? 0
+
                 anchors {
                     top         : _timeArea.bottom
                     topMargin   : 10
@@ -681,6 +686,8 @@
                         text: entryID ? "(%1: %2) %3".arg(qsTr("ID")).arg(entryID).arg(message) : message
                     }
                 }
+
+                onModelCountChanged: { positionViewAtBeginning() }
             }
 
             ScrollBar2 { id: _historyScrollbar