Index: sources/gui/qml/components/RangeSlider.qml
===================================================================
diff -u -raac9d5d70abbd8d75c6e3782722e5daaf7355153 -r74fa9686a916c53d1549fa3733d200edb9df9d3b
--- sources/gui/qml/components/RangeSlider.qml	(.../RangeSlider.qml)	(revision aac9d5d70abbd8d75c6e3782722e5daaf7355153)
+++ sources/gui/qml/components/RangeSlider.qml	(.../RangeSlider.qml)	(revision 74fa9686a916c53d1549fa3733d200edb9df9d3b)
@@ -118,6 +118,19 @@
         font.bold        : false
     }
 
+    function incrementMax(vInStepSegments) {
+        updateMaxValue(vInStepSegments, true)
+    }
+    function decrementMax(vInStepSegments) {
+        updateMaxValue(vInStepSegments, false)
+    }
+
+    function incrementMin(vInStepSegments) {
+        updateMinValue(vInStepSegments, true)
+    }
+    function decrementMin(vInStepSegments) {
+        updateMinValue(vInStepSegments, false)
+    }
     ///
     /// \brief   grays out the rangebar and handler if not adjusted and hasAdjust set to true
     ///
@@ -218,7 +231,7 @@
     function checkLimitsMinValueBounds          ( vValue ) {
         if ( vValue < minValueLowerBound ) { minValue = minValueLowerBound; return }
         if ( vValue > minValueUpperBound ) { minValue = minValueUpperBound; return }
-        setMinvalue(vValue)
+        setMinValue(vValue)
     }
 
     function checkLimitsMaxValueBounds          ( vValue ) {
@@ -227,7 +240,7 @@
         setMaxValue(vValue)
     }
 
-    function setMinvalue(vValue) {
+    function setMinValue(vValue) {
         minAdjusted = true
         minValue    = vValue
     }
@@ -237,6 +250,38 @@
         maxValue    = vValue
     }
 
+    // This is a helper function that will calculate and return a new value
+    // that was either incremented or decremented by 1 or step amount
+    function determineNewValue(vOldValue, vInStepSegments, vIsIncrementing) {
+        let amountChanged = 1
+        if (vInStepSegments) {
+            amountChanged = step
+        }
+
+        let newValue = Number.NaN
+        if(vIsIncrementing) {
+            newValue = vOldValue + amountChanged
+        } else {
+            newValue = vOldValue - amountChanged
+        }
+
+        // Capping values based on min/max threshold
+        if ( newValue < minimum ) newValue = minimum
+        if ( newValue > maximum ) newValue = maximum
+
+        return newValue.toFixed(decimal)
+    }
+
+    function updateMaxValue(vInStepSegments, vIsIncrementing) {
+        let newMaxValue = determineNewValue(_root.maxValue, vInStepSegments, vIsIncrementing)
+        setMaxValue(newMaxValue)
+    }
+
+    function updateMinValue(vInStepSegments, vIsIncrementing) {
+        let newMinValue = determineNewValue(_root.minValue, vInStepSegments, vIsIncrementing)
+        setMinValue(newMinValue)
+    }
+
     /// The main range rectangle bar - This is the "highlighted" area of the slider
     RangeRect { id: _rangeRect
         property alias  lowerBound  : _rangeRect.minimum