diff --git a/script/users/chong/MultiRegionScan.py b/script/users/chong/MultiRegionScan.py
index 85f7b992..c72e043b 100644
--- a/script/users/chong/MultiRegionScan.py
+++ b/script/users/chong/MultiRegionScan.py
@@ -179,11 +179,11 @@ class SpectrumReader(ReadonlyRegisterBase, ReadonlyRegisterArray):
         ehi = self.region['ehi'] + edelta
 
         if self.region['fixed']:
-#            Scienta.setAcquisitionMode("Fixed")
+            Scienta.setAcquisitionMode("Fixed")
             Scienta.centerEnergy.write(elo)
             append_dataset(self.channel_center_dataset_name, elo)
         else:
-#            Scienta.setAcquisitionMode("Sweep Energy")
+            Scienta.setAcquisitionMode("Sweep Energy")
             Scienta.lowEnergy.write(elo)
             Scienta.highEnergy.write(ehi)
             Scienta.stepSize.write(self.region['estep'])