Index: sources/gui/qml/globals/Variables.qml
===================================================================
diff -u -ra6586ea871f21a08e7d50552983360fb5e344b3a -rf3a336a173b0fc1198a2e13d9da36d06dc911fcc
--- sources/gui/qml/globals/Variables.qml	(.../Variables.qml)	(revision a6586ea871f21a08e7d50552983360fb5e344b3a)
+++ sources/gui/qml/globals/Variables.qml	(.../Variables.qml)	(revision f3a336a173b0fc1198a2e13d9da36d06dc911fcc)
@@ -167,7 +167,14 @@
     readonly property int screenGridRow1LineY                   : 275
     readonly property int screenGridRow2LineY                   : 525
 
+    readonly property int sliderAdjustButtonBorderWidth         : 2
+    readonly property int sliderAdjustButtonSpacing             : 20
+    readonly property int sliderAdjustButtonDiameter            : 50
 
+    readonly property int circleButtonDefaultDiameter            : 50
+    readonly property int circleButtonDefaultBorderWidth        : 2
+
+
     // ---------- < PRS > Related Section ----------
     // blood flow rate
     readonly property int     bloodFlowMin          : 100 // PRS 30