Index: sources/gui/qml/pages/pretreatment/PreTreatmentBase.qml
===================================================================
diff -u -r4a2b83dcb56555861d2c741a8e8894e5b07e24bf -ra55e0de27d8c427dd4d441f47bb22ca2fe0ca462
--- sources/gui/qml/pages/pretreatment/PreTreatmentBase.qml	(.../PreTreatmentBase.qml)	(revision 4a2b83dcb56555861d2c741a8e8894e5b07e24bf)
+++ sources/gui/qml/pages/pretreatment/PreTreatmentBase.qml	(.../PreTreatmentBase.qml)	(revision a55e0de27d8c427dd4d441f47bb22ca2fe0ca462)
@@ -31,44 +31,13 @@
 
     onVisibleChanged: if ( visible ) { _root.updateModel() }
 
-    /// --------TODO REMOVE -- DEMO testing progression --------------------------////
-    // TODO remove -- testing progress //////////////////////////
-    property int testCount  : checkListStepNames.length
-    property int increment  : timeCircleMaximum / checkListStepNames.length
-    property int step       : 1
-
-    function resetTest() {
-        timeCircleProgressValue = 0
-        step                    = 1
-        checkList.setItemExt(0, true)
-        _progressTimer.start()
-    }
-
-    function incrementTest() {
-        if (timeCircleProgressValue >= timeCircleMaximum ) { return }
-        timeCircleProgressValue = step * increment
-
-        // fix setItemExt methods in checklist later.. i do not understand 😵‍💫
-        checkList.setItemExt(step, true)
-        checkList.stepDone(step - 1)
-        step++
-    }
-
-    Timer { id: _progressTimer
-        interval    : 1000
-        running     : ! isComplete
-        repeat      : ! isComplete
-        onTriggered: incrementTest()
-    }
-    /// --------END REMOVE -----------------------------------------------------////
-
     // update model for instruction based steps
     function updateModel () {
         let  stepName = stepNames[stackStepIndex]
         if ( stepName === undefined ) stepName = ""
 
-        let group = vSettings.advancedMode ? vSettings.groupFormat.arg(stepName).arg("Advanced") :
-                                             _root.subStepName.length === 0 ? stepName : vSettings.groupFormat.arg(stepName).arg(_root.subStepName)
+        let group = vSettings.groupFormat(stepName, vSettings.advancedMode || _root.subStepName.length === 0 ? "" : _root.subStepName )
+
         let instructionsGroup    = vSettings.instructions[group]
 
         if ( instructionsGroup !== undefined ) {