Index: sources/gui/qml/pages/pretreatment/PreTreatmentBase.qml
===================================================================
diff -u -r8457901952a1d732c4688da471ae98e1d4f3024f -r4a2b83dcb56555861d2c741a8e8894e5b07e24bf
--- sources/gui/qml/pages/pretreatment/PreTreatmentBase.qml	(.../PreTreatmentBase.qml)	(revision 8457901952a1d732c4688da471ae98e1d4f3024f)
+++ sources/gui/qml/pages/pretreatment/PreTreatmentBase.qml	(.../PreTreatmentBase.qml)	(revision 4a2b83dcb56555861d2c741a8e8894e5b07e24bf)
@@ -31,11 +31,44 @@
 
     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") : stepName
+        let group = vSettings.advancedMode ? vSettings.groupFormat.arg(stepName).arg("Advanced") :
+                                             _root.subStepName.length === 0 ? stepName : vSettings.groupFormat.arg(stepName).arg(_root.subStepName)
         let instructionsGroup    = vSettings.instructions[group]
 
         if ( instructionsGroup !== undefined ) {