diff --git a/script/users/chong/MultiRegionScan.py b/script/users/chong/MultiRegionScan.py
index 079acb44..c7195c93 100644
--- a/script/users/chong/MultiRegionScan.py
+++ b/script/users/chong/MultiRegionScan.py
@@ -77,8 +77,8 @@ REGION1 = {'name': 'Second', 'elo': 7., 'ehi': 12., 'estep': 0.01,'epass': 5., '
 #REGION02 = {'name': 'blank2', 'elo': 461, 'ehi': 462, 'estep': 1.0, 'epass': 100., 'tstep': 1.0, 'iter': 1,'slit':20}
 #REGION3 = {'name': 'multiplet 2', 'elo': 173.5, 'ehi': 176.8, 'estep': 0.03, 'epass': 50., 'tstep': 0.12, 'iter': 1}
 
-REGION1fix = {'name': 'c1s', 'efix': 457, 'epass': 100., 'tstep': 4,'slit':200} #for 1100eV Eph use efix 810eV ,Eph=740eV use efix 451eV
-REGION2fix = {'name': 'o1s', 'efix': 209, 'epass': 100., 'tstep': 4,'slit':200}
+REGION1fix = {'name': 'c1s', 'efix': 466, 'epass': 100., 'tstep': 4,'slit':200} #for 1100eV Eph use efix 810eV ,Eph=740eV use efix 451eV
+REGION2fix = {'name': 'o1s', 'efix': 217.5, 'epass': 100., 'tstep': 4,'slit':200}
 
 # list of region dictionaries to execute at each scan position
 #REGIONS=[REGION1]