Index: sources/canbus/messageinterpreter.cpp
===================================================================
diff -u -r5c5fa01738826261e0b3647db6b7b3fc26b04251 -r9ec7a27375189ad75f0bef142cd6beb386db0955
--- sources/canbus/messageinterpreter.cpp	(.../messageinterpreter.cpp)	(revision 5c5fa01738826261e0b3647db6b7b3fc26b04251)
+++ sources/canbus/messageinterpreter.cpp	(.../messageinterpreter.cpp)	(revision 9ec7a27375189ad75f0bef142cd6beb386db0955)
@@ -227,16 +227,6 @@
         ok = alarmStatus                (vMessage, vData);
         break;
 
-    case Gui::GuiActionType::AlarmTriggered:
-        printUnhandled                  (vMessage);
-        ok = true;
-        break;
-
-    case Gui::GuiActionType::AlarmCleared:
-        printUnhandled                  (vMessage);
-        ok = true;
-        break;
-
     case Gui::GuiActionType::PressureOcclusion:
         ok = pressureOcclusionData      (vMessage, vData);
         break;
@@ -253,6 +243,23 @@
         ok = adjustDurationData         (vMessage, vData);
         break;
 
+    // unhandles messages: these will only be logged as received message
+    // there has nothing been defined for these messages.
+    case Gui::GuiActionType::AlarmTriggered:
+        printUnhandled                  (vMessage);
+        ok = true;
+        break;
+
+    case Gui::GuiActionType::AlarmCleared:
+        printUnhandled                  (vMessage);
+        ok = true;
+        break;
+
+    case Gui::GuiActionType::TreatmentState:
+        printUnhandled                  (vMessage);
+        ok = true;
+        break;
+
     default:
         printUnhandled                  (vMessage);
         break;
Index: sources/gui/guiglobals.h
===================================================================
diff -u -r5c5fa01738826261e0b3647db6b7b3fc26b04251 -r9ec7a27375189ad75f0bef142cd6beb386db0955
--- sources/gui/guiglobals.h	(.../guiglobals.h)	(revision 5c5fa01738826261e0b3647db6b7b3fc26b04251)
+++ sources/gui/guiglobals.h	(.../guiglobals.h)	(revision 9ec7a27375189ad75f0bef142cd6beb386db0955)
@@ -68,6 +68,8 @@
 
             TreatmentRanges         = 0x1A00, // 26
 
+            TreatmentState          = 0x0F00, // 15
+
             String                  = 0xFFFE,
 
             Acknow                  = 0xFFFF,
Index: sources/gui/qml/components/Slider.qml
===================================================================
diff -u -r95c671ab7037af055db551456a719ff67bf10262 -r9ec7a27375189ad75f0bef142cd6beb386db0955
--- sources/gui/qml/components/Slider.qml	(.../Slider.qml)	(revision 95c671ab7037af055db551456a719ff67bf10262)
+++ sources/gui/qml/components/Slider.qml	(.../Slider.qml)	(revision 9ec7a27375189ad75f0bef142cd6beb386db0955)
@@ -25,6 +25,8 @@
 RangeRect { id: _root
     property alias  value       : _progressRect.value
     property int    step        : 1
+    property bool   stepSnap    : false
+
     property bool   ticks       : false
 
     property alias  color       : _progressRect.color
@@ -62,22 +64,25 @@
         font.bold        : false
     }
 
-    function getPosition(x) {
+    function getValueOfX(x) {
         return ( x * ( maximum - minimum ) ) / width + minimum
     }
 
     function setValue(x) {
-        if ( x < 0     ) {
-            value = minimum
-        } else
-        if ( x > width ) {
-            value = maximum
-        } else
-        if (step === 1) { // only for performance otherwise formula works perfectly fine for any step.
-            value = getPosition(x)
-        } else {
-            value = Math.round((getPosition(x) - minimum) / step) * step + minimum
-        }
+        if ( x <     0 ) { value = minimum;                             return; }
+        if ( x > width ) { value = maximum;                             return; }
+
+        value = getValueOfX(x)
+
+        if ( step === 1 ) { /* keep the value and return */             return; }
+
+        var start = 0
+        if ( ! stepSnap ) start = minimum
+
+        value = Math.round((value - start) / step) * step + start
+
+        if ( value < minimum ) { value = minimum;                       return; }
+        if ( value > maximum ) { value = maximum;                       return; }
     }
 
     ProgressRect { id: _progressRect
@@ -105,6 +110,8 @@
             minimum     : _root.minimum
             maximum     : _root.maximum
             step        : _root.step
+            stepSnap    : _root.stepSnap
+            textColor   : _root.color
         }
     }
 
Index: sources/gui/qml/components/TickMarks.qml
===================================================================
diff -u -rcd7de5f6d239a11615ba8c6c03339a10996486ca -r9ec7a27375189ad75f0bef142cd6beb386db0955
--- sources/gui/qml/components/TickMarks.qml	(.../TickMarks.qml)	(revision cd7de5f6d239a11615ba8c6c03339a10996486ca)
+++ sources/gui/qml/components/TickMarks.qml	(.../TickMarks.qml)	(revision 9ec7a27375189ad75f0bef142cd6beb386db0955)
@@ -29,27 +29,35 @@
     property int    minimum     : parent.minimum
     property int    maximum     : parent.maximum
     property int    step        : parent.step
+    property bool   stepSnap    : false
 
     property color  color       : Colors.backgroundDialog
 
     property int    orientation : Line.Orientation.Vertical
     property int    length      : parent.height
     property int    thickness   : 1
+
     property bool   textVisible : false
+    property color  textColor   : "white"
+
     anchors.fill: parent
 
     Repeater { id : _repeater
         model: (maximum - minimum) / step + 1
         Line { id: _line
+            property int gap    : stepSnap ?
+                                  (
+                                    (parent.width * (step - (minimum % step))) / (maximum - minimum)
+                                  ) : 0
             orientation : _root.orientation
             thickness   : _root.thickness
             color       : _root.color
             length      : _root.length
-            x: (((index * step) * (parent.width - parent.x)) / (maximum - minimum))
+            x: (((index * step) * (parent.width - parent.x)) / (maximum - minimum)) + gap
             y: 0
             Text { id : _text
                 visible: textVisible
-                color: _root.color
+                color: _root.textColor
                 font.pixelSize: 10
                 text: (index * step) + minimum
                 anchors {
Index: sources/gui/qml/globals/Variables.qml
===================================================================
diff -u -r34471900489397f483e052870ddc46059cef49fb -r9ec7a27375189ad75f0bef142cd6beb386db0955
--- sources/gui/qml/globals/Variables.qml	(.../Variables.qml)	(revision 34471900489397f483e052870ddc46059cef49fb)
+++ sources/gui/qml/globals/Variables.qml	(.../Variables.qml)	(revision 9ec7a27375189ad75f0bef142cd6beb386db0955)
@@ -71,6 +71,6 @@
     readonly property int     bloodFlowResolution   : 25
     readonly property int dialysateFlowResolution   : 50
 
-    readonly property int      durationResolution   :  1 // ?
+    readonly property int      durationResolution   : 15 // PRS346
 
 }
Index: sources/gui/qml/pages/treatment/adjustments/TreatmentAdjustmentDuration.qml
===================================================================
diff -u -r95c671ab7037af055db551456a719ff67bf10262 -r9ec7a27375189ad75f0bef142cd6beb386db0955
--- sources/gui/qml/pages/treatment/adjustments/TreatmentAdjustmentDuration.qml	(.../TreatmentAdjustmentDuration.qml)	(revision 95c671ab7037af055db551456a719ff67bf10262)
+++ sources/gui/qml/pages/treatment/adjustments/TreatmentAdjustmentDuration.qml	(.../TreatmentAdjustmentDuration.qml)	(revision 9ec7a27375189ad75f0bef142cd6beb386db0955)
@@ -65,8 +65,10 @@
             minimum : vTreatmentRanges.treatmentRanges_Duration_Min //  in Minutes
             maximum : vTreatmentRanges.treatmentRanges_Duration_Max //  in Minutes
             step    : Variables.durationResolution
+            stepSnap: true
             minText.visible: false
             maxText.visible: false
+            ticks: true
             TimeText { id: _durationText
                 seconds: 60 * _durationSlider.value // in Minutes => to Seconds
                 secondsVisible: false