Index: sources/gui/qml/components/Slider.qml
===================================================================
diff -u -r7578800a0b1b509e855e5e872798163b2b2e4b1e -r376fa09daeeca0afef2b157005cc85e9595c4c96
--- sources/gui/qml/components/Slider.qml	(.../Slider.qml)	(revision 7578800a0b1b509e855e5e872798163b2b2e4b1e)
+++ sources/gui/qml/components/Slider.qml	(.../Slider.qml)	(revision 376fa09daeeca0afef2b157005cc85e9595c4c96)
@@ -26,6 +26,7 @@
 RangeRect { id: _root
     property alias  value              : _progressRect.value
     property real displayedValue       : 0
+    property real initActiveValue      : _root.minimum // the value to assigned upon first activation
 
     property real   step               : 1
     property bool   stepSnap           : false
@@ -58,18 +59,10 @@
     signal handleSelected()
 
     function incrementValue (vInStepSegments) {
-        // in case the slider is not yet activated, activate
-        if (!isActive) {
-            setActive(true)
-        }
         updateValue(vInStepSegments, true)
     }
 
     function decrementValue (vInStepSegments) {
-        // in case the slider is not yet activated, activate
-        if (!isActive) {
-            setActive(true)
-        }
         updateValue(vInStepSegments, false)
     }
 
@@ -94,7 +87,7 @@
         update(newValue.toFixed(decimal))
     }
 
-    function setActive(active) {
+    function setActiveVisuals(active) {
         if (active) {
             color        = Colors.sliderHighlightColor
             handlerColor = Colors.createTreatmentActive
@@ -105,11 +98,19 @@
     }
 
     onIsActiveChanged: {
-        setActive(isActive)
+        setActiveVisuals(isActive)
+
+        // value is assigned a different value based on active-ness of the slider
+        // This is to resolve the use of slider with a switch and arrows enabled.
+        // It allows correct behavior when using arrow on a first initialize increment of
+        // the slider when the slider has inActiveZero to true.
         if (!isActive) {
             value = inActiveZero ? 0 : minimum
+        } else {
+            value = initActiveValue
         }
-        activeChanged()
+
+        activeChanged() // emit
     }
 
     onValueChanged: {
@@ -126,7 +127,7 @@
     radius  : _root.isRoundedEnds ? (height/2) : Variables.rangeRectRadius
 
     border.width: _root.hasBorder ? Variables.rangeRectBorderWidth : 0
-    border.color: _root.isActive ? Colors.borderButton : Colors.borderDisableButton
+    border.color: _root.isActive  ? Colors.borderButton : Colors.borderDisableButton
 
     minimum         : 0
     maximum         : 0
Index: sources/gui/qml/globals/Colors.qml
===================================================================
diff -u -r89426b2b3d45008f5e6cb19e0c7adef3a242ce36 -r376fa09daeeca0afef2b157005cc85e9595c4c96
--- sources/gui/qml/globals/Colors.qml	(.../Colors.qml)	(revision 89426b2b3d45008f5e6cb19e0c7adef3a242ce36)
+++ sources/gui/qml/globals/Colors.qml	(.../Colors.qml)	(revision 376fa09daeeca0afef2b157005cc85e9595c4c96)
@@ -43,6 +43,7 @@
     readonly property color backgroundSlider                : "#195187"
 
     readonly property color sliderHighlightColor            : "orange"
+    readonly property color sliderProgressBorderActive      : "white"
 
     readonly property color backgroundUltrafiltrationButton : "#31568F"
     readonly property color textValueUltrafiltrationButtonFg: "#98aec2"
Index: sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml
===================================================================
diff -u -r74de6c3e36568bf842648d1a9f8d5bb6949fca5b -r376fa09daeeca0afef2b157005cc85e9595c4c96
--- sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml	(.../PreTreatmentCreate.qml)	(revision 74de6c3e36568bf842648d1a9f8d5bb6949fca5b)
+++ sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml	(.../PreTreatmentCreate.qml)	(revision 376fa09daeeca0afef2b157005cc85e9595c4c96)
@@ -583,7 +583,6 @@
                     onCheckedChanged: {
                         if ( ! active ) {
                             active = true
-                            checked = ! checked
                         }
                         vTreatmentCreate.bloodPressureMeasureInterval   = 0
                         _bloodPressureInterval.value                    = 0