diff --git a/gui/include/gui/widgets/menuspinbox.h b/gui/include/gui/widgets/menuspinbox.h
index 79e0b778b7..77f3930c41 100644
--- a/gui/include/gui/widgets/menuspinbox.h
+++ b/gui/include/gui/widgets/menuspinbox.h
@@ -100,7 +100,11 @@ class SCOPY_GUI_EXPORT IncrementStrategyPower2 : public IncrementStrategy
 class SCOPY_GUI_EXPORT IncrementStrategyFixed : public IncrementStrategy
 {
 public:
-	IncrementStrategyFixed(double k = 1) { m_k = k; };
+	IncrementStrategyFixed(double k = 1)
+	{
+		m_k = k;
+		m_scale = 1;
+	};
 	~IncrementStrategyFixed(){};
 	virtual double increment(double val) override
 	{
diff --git a/gui/src/widgets/menuspinbox.cpp b/gui/src/widgets/menuspinbox.cpp
index 0186528c72..1829cfc9af 100644
--- a/gui/src/widgets/menuspinbox.cpp
+++ b/gui/src/widgets/menuspinbox.cpp
@@ -263,24 +263,27 @@ void MenuSpinbox::userInput(QString s)
 	if(!ok)
 		setValue(m_value); // reset
 
-	QString unit = s.mid(i + 1, 1); // isolate prefix and unit from the whole string (mV)
-	if(unit.length() > 0) {		// user wrote a prefix and/or a unit
-		double scale = getScaleForPrefix(unit, Qt::CaseSensitive); // find the unit in the map
-		if(scale == -1) {
-			scale = getScaleForPrefix(unit,
-						  Qt::CaseInsensitive); // the user may have written 30K instead of 30k
-		}
+	if(m_scalingEnabled) {
+		QString unit = s.mid(i + 1, 1); // isolate prefix and unit from the whole string (mV)
+		if(unit.length() > 0) {		// user wrote a prefix and/or a unit
+			double scale = getScaleForPrefix(unit, Qt::CaseSensitive); // find the unit in the map
+			if(scale == -1) {
+				scale = getScaleForPrefix(
+					unit,
+					Qt::CaseInsensitive); // the user may have written 30K instead of 30k
+			}
 
-		if(scale == -1) {
-			scale = 1; // do not scale the value at all
+			if(scale == -1) {
+				scale = 1; // do not scale the value at all
+			} else {
+				val = val * scale; // scale accordingly
+			}
 		} else {
-			val = val * scale; // scale accordingly
+			val = val *
+				m_scaleCb->currentData()
+					.toDouble(); // the user didnt write a scale => use scale in combobox
 		}
-	} else {
-		val = val *
-			m_scaleCb->currentData().toDouble(); // the user didnt write a scale => use scale in combobox
 	}
-
 	setValue(val);
 }
 
diff --git a/plugins/adc/src/time/timeplotmanagersettings.cpp b/plugins/adc/src/time/timeplotmanagersettings.cpp
index 9a3038d01d..6909aa68d2 100644
--- a/plugins/adc/src/time/timeplotmanagersettings.cpp
+++ b/plugins/adc/src/time/timeplotmanagersettings.cpp
@@ -177,7 +177,9 @@ QWidget *TimePlotManagerSettings::createXAxisMenu(QWidget *parent)
 		if(xcb->itemData(idx) == XMODE_SAMPLES) {
 			m_sampleRateSpin->setValue(1);
 			m_xmin->setUnit("samples");
+			m_xmin->setScaleRange(1, 1e6);
 			m_xmax->setUnit("samples");
+			m_xmax->setScaleRange(1, 1e6);
 			m_plotManager->setXUnit("samples");
 			for(PlotComponent *plt : m_plotManager->plots()) {
 				auto p = dynamic_cast<TimePlotComponent *>(plt);
@@ -190,7 +192,9 @@ QWidget *TimePlotManagerSettings::createXAxisMenu(QWidget *parent)
 			m_sampleRateSpin->setEnabled(false);
 			m_sampleRateSpin->setValue(readSampleRate());
 			m_xmin->setUnit("s");
+			m_xmin->setScaleRange(0, 1);
 			m_xmax->setUnit("s");
+			m_xmax->setScaleRange(0, 1);
 			m_plotManager->setXUnit("s");
 
 			for(PlotComponent *plt : m_plotManager->plots()) {
@@ -205,7 +209,9 @@ QWidget *TimePlotManagerSettings::createXAxisMenu(QWidget *parent)
 			m_sampleRateSpin->setEnabled(true);
 
 			m_xmin->setUnit("s");
+			m_xmin->setScaleRange(0, 1);
 			m_xmax->setUnit("s");
+			m_xmax->setScaleRange(0, 1);
 			m_plotManager->setXUnit("s");
 			for(PlotComponent *plt : m_plotManager->plots()) {
 				auto p = dynamic_cast<TimePlotComponent *>(plt);