diff --git a/script/users/MultiRegionScan_Ag_valence62eV.py b/script/users/MultiRegionScan_Ag_valence62eV.py
index aa39b126..e5bd1333 100644
--- a/script/users/MultiRegionScan_Ag_valence62eV.py
+++ b/script/users/MultiRegionScan_Ag_valence62eV.py
@@ -108,7 +108,6 @@ class SpectrumReader(ReadonlyRegisterBase, ReadonlyRegisterArray):
             if self.region_index == 0:
                 print "scan {0}".format(self.scan_index)
 
-        print("ephot")
         #ephot = Eph.read()
         #try:
         #    if self.region['cis']:
@@ -122,22 +121,27 @@ class SpectrumReader(ReadonlyRegisterBase, ReadonlyRegisterArray):
         elo = self.region['elo'] + edelta
         ehi = self.region['ehi'] + edelta
 
-        if self.region['fixed']:
+        try:
             Eph.write(self.region['ephot'])
+        except KeyError:
+            pass
+            
+        if self.region['fixed']:
             Scienta.setAcquisitionMode(ch.psi.pshell.epics.Scienta.AcquisitionMode.Fixed)
             Scienta.centerEnergy.write(elo)
         else:
-            Eph.write(self.region['ephot'])
             Scienta.setAcquisitionMode(ch.psi.pshell.epics.Scienta.AcquisitionMode.Swept)
             Scienta.lowEnergy.write(elo)
             Scienta.highEnergy.write(ehi)
             Scienta.stepSize.write(self.region['estep'])
-        
-        #Scienta.setPassEnergy(self.region['epass'])
-        #Scienta.stepTime.write(self.region['tstep'])
-        #Scienta.setIterations(self.region['iter'])
-        #ExitSlit.write(self.region['slit'])
-        #Scienta.update()
+
+        print("set pass energy")
+        Scienta.setPassEnergy(self.region['epass'])
+        Scienta.stepTime.write(self.region['tstep'])
+        Scienta.setIterations(self.region['iter'])
+        ExitSlit.write(self.region['slit'])
+        Scienta.update()
+        print("after update")
         
         if self.region['fixed']:
             append_dataset(self.channel_center_dataset_name, elo)