diff --git a/script/SchofieldScan.py b/script/SchofieldScan.py
index a0a0959f..5c00dc43 100644
--- a/script/SchofieldScan.py
+++ b/script/SchofieldScan.py
@@ -8,15 +8,13 @@ MODE ('fixed' or 'swept')
 TYPE ('CIS' or 'CFS')
 STEP (double)
 """
-VECTOR = [ 
-    [630.0,88.0, 94.0],
-    [634.0,94.0,100.0],
-    ]
+VECTOR = [ 630.0, 634.0]
+
 
 class SpectrumReader(ReadonlyRegisterBase, ReadonlyRegisterArray):
     def doRead(self):
         global VECTOR
-        self.offset = Eph.getSetpoint().take() - VECTOR[0][0]
+        self.offset = Eph.getSetpoint().take() - VECTOR[0]
         self.setup()
         trig_scienta()
         return Scienta.getSpectrum().read()
@@ -31,6 +29,7 @@ class SpectrumReader1(SpectrumReader):
         Scienta.getStepSize().write(0.1)        
         Scienta.getLowEnergy().write(88.0 + self.offset)
         Scienta.getHighEnergy().write(94.0 + self.offset)
+        global energy_scale_table
         energy_scale_array = [Scienta.getLowEnergy().take(), Scienta.getHighEnergy().take(), Scienta.getStepSize().take()]
 
 class SpectrumReader2(SpectrumReader):
@@ -38,6 +37,7 @@ class SpectrumReader2(SpectrumReader):
         Scienta.getStepSize().write(0.05)
         Scienta.getLowEnergy().write(94.0 + self.offset)
         Scienta.getHighEnergy().write(98.0 + self.offset)
+        global energy_scale_table
         energy_scale_array.append([Scienta.getLowEnergy().take(), Scienta.getHighEnergy().take(), Scienta.getStepSize().take()])
 
 class SpectrumReader3(SpectrumReader):
@@ -46,6 +46,7 @@ class SpectrumReader3(SpectrumReader):
         Scienta.getLowEnergy().write(98.0 + self.offset)
         Scienta.getHighEnergy().write(108.0 + self.offset)
         energy_scale_array.append([Scienta.getLowEnergy().take(), Scienta.getHighEnergy().take(), Scienta.getStepSize().take()])
+        global energy_scale_table
         append_dataset(energy_scale_table,[])    
 
 
@@ -73,12 +74,8 @@ SENSORS = [RefCurrent, reader1, image1, reader2, image2, reader3, image3]
 
 Scienta.setAcquisitionMode(ch.psi.pshell.epics.Scienta.AcquisitionMode.Swept)
 
-Scienta.lowEnergy.write(VECTOR[0][1])
-Scienta.highEnergy.write(VECTOR[0][2])
-writables = (Eph)
 
 energy_scale_table = get_context().group + "/EnergyScale"
-
 create_dataset(energy_scale_table, 'd', dimensions=[0,9])
 
 
@@ -87,7 +84,7 @@ set_adc_averaging()
 set_preference(Preference.PLOT_TYPES, {'Scienta spectrum':1})
 
 try:
-    vscan(writables, SENSORS, VECTOR, True, LATENCY,False, before_read=wait_beam, after_read = after_readout)
+    vscan(Eph, SENSORS, VECTOR, True, LATENCY,False, before_read=wait_beam, after_read = after_readout)
 finally:
     if ENDSCAN:
         after_scan()