diff --git a/script/users/X-Treme_XPSScan.py b/script/users/X-Treme_XPSScan.py
index c0370deb..4e6b3a04 100644
--- a/script/users/X-Treme_XPSScan.py
+++ b/script/users/X-Treme_XPSScan.py
@@ -69,9 +69,9 @@ REGIONS = [REG1, REG2]
 """
 
 # front end 3x4 mm2
-# Ephot = 500 eV; if 'ephot' is not specified in the region, it will not be set!!
-REG1 = {'name': '500eV_Dy4d', 'elo': 338.0, 'ehi': 358.0, 'estep': 0.05, 'epass': 20., 'tstep': 0.5, 'iter': 1, 'slit' : 100, 'cis': True}
-REG2 = {'name': '500eV_Ag3d', 'elo': 117.0, 'ehi': 131.0, 'estep': 0.05, 'epass': 20., 'tstep': 0.5, 'iter': 1, 'slit' : 100, 'cis': True}
+# Ephot = 490 eV; if 'ephot' is not specified in the region, it will not be set!!
+REG1 = {'name': '490eV_Dy4d', 'elo': 334.0, 'ehi': 354.0, 'estep': 0.05, 'epass': 20., 'tstep': 0.5, 'iter': 1, 'slit' : 100, 'cis': True}
+REG2 = {'name': '490eV_Ag3d', 'elo': 107.0, 'ehi': 121.0, 'estep': 0.05, 'epass': 20., 'tstep': 0.5, 'iter': 1, 'slit' : 100, 'cis': True}
 REGIONS = [REG1, REG2]