Index: sources/gui/qml/pages/treatment/adjustments/TreatmentAdjustmentDuration.qml
===================================================================
diff -u -r7b4219600ec64c2860113225ced0b5fc839b8ad2 -rbbbaf4c6c5aead284b9e8ab71d7c039621c754d3
--- sources/gui/qml/pages/treatment/adjustments/TreatmentAdjustmentDuration.qml	(.../TreatmentAdjustmentDuration.qml)	(revision 7b4219600ec64c2860113225ced0b5fc839b8ad2)
+++ sources/gui/qml/pages/treatment/adjustments/TreatmentAdjustmentDuration.qml	(.../TreatmentAdjustmentDuration.qml)	(revision bbbaf4c6c5aead284b9e8ab71d7c039621c754d3)
@@ -42,6 +42,7 @@
     titleText: qsTr("TREATMENT DURATION")
 
     Column { id : _column
+        width: 880
         spacing: 65
         anchors.centerIn: parent
         TimeText { id: _currentTimeText
@@ -51,8 +52,7 @@
             anchors.horizontalCenter: parent.horizontalCenter
         }
         Slider { id : _durationSlider
-            anchors.horizontalCenter: parent.horizontalCenter
-            width   : 880
+            width   : _column.width - _durationSliderArrows.width
             minimum : vTreatmentRanges.treatmentRanges_Duration_Min //  in Minutes
             maximum : vTreatmentRanges.treatmentRanges_Duration_Max //  in Minutes
             step    : Variables.durationResolution
@@ -71,6 +71,15 @@
                     horizontalCenter: _durationSlider.handler.horizontalCenter
                 }
             }
+            SliderArrows{ id: _durationSliderArrows
+                visible : true
+                anchors.verticalCenter  : _durationSlider.verticalCenter
+                anchors.left            : _durationSlider.right
+                anchors.leftMargin      : Variables.sliderAdjustButtonLeftMargin
+
+                onIncrementValue        : _durationSlider.incrementValue(true)
+                onDecrementValue        : _durationSlider.decrementValue(true)
+            }
         }
     }
 }