diff --git a/plugins/Scienta.java b/plugins/Scienta.java
index 8ebb980a..67306f9c 100644
--- a/plugins/Scienta.java
+++ b/plugins/Scienta.java
@@ -59,8 +59,6 @@ public class Scienta extends ch.psi.pshell.epics.Scienta {
     @Override
     protected void doInitialize() throws IOException, InterruptedException {
         super.doInitialize();
-        spectrum.setSize(KEEP_TO_VALID);
-        spectrumX.setSize(KEEP_TO_VALID);
     }
 
     
@@ -101,13 +99,14 @@ public class Scienta extends ch.psi.pshell.epics.Scienta {
             setAccessType(AccessType.Read);
         }
 
-        /*
+        
         @Override
         protected double[] doRead() throws IOException, InterruptedException {
-            getNumChannels().getValue();
+            //getNumChannels().getValue();
+            setSizeToValidElements();
             return super.doRead();
         }
-        */
+        
 
         @Override
         public ArrayCalibration getCalibration() {
@@ -143,6 +142,7 @@ public class Scienta extends ch.psi.pshell.epics.Scienta {
         }
         return x;
         */
+        spectrumX.setSizeToValidElements();
         return spectrumX.read();
     }