Index: sources/gui/qml/pages/TreatmentStart.qml
===================================================================
diff -u -r0e87420e50dd94c37eb25f289ef3262e0e45d7f4 -rf9a99ad603189f8aafd2b913fd1d453094f00a7e
--- sources/gui/qml/pages/TreatmentStart.qml	(.../TreatmentStart.qml)	(revision 0e87420e50dd94c37eb25f289ef3262e0e45d7f4)
+++ sources/gui/qml/pages/TreatmentStart.qml	(.../TreatmentStart.qml)	(revision f9a99ad603189f8aafd2b913fd1d453094f00a7e)
@@ -28,7 +28,6 @@
  * which is the default screen in the "Manager" stack
  */
 ScreenItem { id: _root
-
     property int bloodFlow_MeasuredFlow_Precision: 0
 
     property int leftColumnX    :  40
@@ -108,12 +107,25 @@
 
     // ---------- COLUMN RIGHT
     TouchArea { id: _ultrafiltrationTouchArea
+        clip: false
         x: rightColumnX
         y: row1Y
         width: _flowsTouchArea.width
+        height: 200
         isTouchable: true
         orientation: TouchArea.Orientation.Vertical
         title: qsTr("ULTRAFILTRATION VOLUME") + " " + qsTr("(mL)")
+        ProgressBar { id: _progressbar
+            property int r: Math.floor(Math.random() * 5000 + 1000)
+            y: 75
+            width: parent.width
+
+            // TEST : simulation code
+            minimum: 0      // TEST : only test values
+            medimum: 3000   // TEST : only test values
+            maximum: 4000   // TEST : only test values
+            NumberAnimation on value { duration: 50000 /*_progressbar.r*/; from: _progressbar.minimum; to: _progressbar.maximum; loops: Animation.Infinite;  }
+        }
     }
 
     Line { x: rightLinesX; y: row1LineY; length: lineLength }