diff --git a/plugins/XPSSpectrum.form b/plugins/XPSSpectrum.form
index 4a61cffa..e25d4422 100644
--- a/plugins/XPSSpectrum.form
+++ b/plugins/XPSSpectrum.form
@@ -212,6 +212,9 @@
             <Property name="selectedIndex" type="int" value="4"/>
             <Property name="toolTipText" type="java.lang.String" value=""/>
           </Properties>
+          <Events>
+            <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="comboPassActionPerformed"/>
+          </Events>
         </Component>
         <Component class="ch.psi.pshell.swing.ValueSelection" name="valueSize">
           <Properties>
diff --git a/plugins/XPSSpectrum.java b/plugins/XPSSpectrum.java
index 79f75680..1447a918 100644
--- a/plugins/XPSSpectrum.java
+++ b/plugins/XPSSpectrum.java
@@ -15,6 +15,7 @@ import ch.psi.utils.Serializer;
 import ch.psi.utils.State;
 import ch.psi.utils.swing.SwingUtils;
 import ch.psi.pshell.swing.ValueSelection;
+import ch.psi.pshell.swing.ValueSelection.ValueSelectionListener;
 import java.awt.Component;
 import java.io.File;
 import java.nio.file.Files;
@@ -76,6 +77,34 @@ public class XPSSpectrum extends Panel {
         persistedComponents.addAll(Arrays.asList(SwingUtils.getComponentsByType(this, ValueSelection.class)));
         persistedComponents.addAll(Arrays.asList(SwingUtils.getComponentsByType(this, JComboBox.class)));
         setPersistedComponents(persistedComponents.toArray(new Component[0]));
+        
+        ValueSelectionListener listener = new ValueSelectionListener() {
+            @Override
+            public void onValueChanged(ValueSelection origin, double value, boolean editing) {
+                try{
+                    if (editing){
+                        scienta = (Scienta) getDevice("Scienta");
+                        if (origin == valueLow){
+                            scienta.getLowEnergy().write(value);
+                        } else if (origin == valueHigh){
+                            scienta.getHighEnergy().write(value);
+                        } else if (origin == valueTime){
+                            scienta.getStepTime().write(value);
+                        } else if (origin == valueSize){
+                            scienta.getStepSize().write(value);
+                        }
+                    }
+                } catch (Exception ex){
+                    getLogger().log(Level.WARNING, null, ex);
+                }
+            }
+        };
+        
+        valueLow.addListener(listener);
+        valueHigh.addListener(listener);
+        valueTime.addListener(listener);
+        valueSize.addListener(listener);
+        
     }
 
     @Override
@@ -84,8 +113,10 @@ public class XPSSpectrum extends Panel {
         scienta.getTotalChannels().addListener(progressListener);
         scienta.getCurrentChannel().addListener(progressListener);
         dvpAcqTime.setDevice(scienta.getAcquisitionTime());
-        startTimer(500, 100);
+        startTimer(500, 100);        
     }
+    
+    
 
     @Override
     public void onStateChange(State state, State former) {
@@ -300,6 +331,11 @@ public class XPSSpectrum extends Panel {
         comboPass.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "2", "5", "10", "20", "50", "100", "200" }));
         comboPass.setSelectedIndex(4);
         comboPass.setToolTipText("");
+        comboPass.addActionListener(new java.awt.event.ActionListener() {
+            public void actionPerformed(java.awt.event.ActionEvent evt) {
+                comboPassActionPerformed(evt);
+            }
+        });
 
         valueSize.setDecimals(3);
         valueSize.setMaxValue(1000.0);
@@ -677,6 +713,18 @@ public class XPSSpectrum extends Panel {
         }
     }//GEN-LAST:event_buttonScientaSetupActionPerformed
 
+    private void comboPassActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_comboPassActionPerformed
+        try {
+            scienta = (Scienta) getDevice("Scienta");
+            int energy = Integer.valueOf(comboPass.getSelectedItem().toString());
+            if (energy != scienta.getPassEnergy()){
+                scienta.setPassEnergy(energy);            
+            }
+        } catch (Exception ex) {
+            getLogger().log(Level.WARNING, null, ex);
+        }        
+    }//GEN-LAST:event_comboPassActionPerformed
+
     // Variables declaration - do not modify//GEN-BEGIN:variables
     private javax.swing.JButton btLoad;
     private javax.swing.JButton btSave;