Index: sources/gui/qml/components/RangeBar.qml
===================================================================
diff -u -r77ba0083b790f7c1c851c60ecaeaa4f2e7eff7a8 -rca5a17d5abaae0982922faca123d6f189135d413
--- sources/gui/qml/components/RangeBar.qml	(.../RangeBar.qml)	(revision 77ba0083b790f7c1c851c60ecaeaa4f2e7eff7a8)
+++ sources/gui/qml/components/RangeBar.qml	(.../RangeBar.qml)	(revision ca5a17d5abaae0982922faca123d6f189135d413)
@@ -36,9 +36,12 @@
         property int  val           : isOutLower ? min : isOutUpper ? max : value
         property int  min           : minimum
         property int  max           : maximum
-        property bool isOutLower    : value < min
+        property bool isOutLower    : value < min   // value out of min/max range
         property bool isOutUpper    : value > max
-        property bool isOutRange    : isOutLower || isOutUpper
+
+        property bool isUnderBounds : value < lowerBound    // value out of lower/ upper bounds
+        property bool isOverBounds  : value > upperBound
+        property bool isOutRange    : isOverBounds || isUnderBounds
     }
 
     property int    markerHeight: Variables.rangeMarkerHeightMidle