diff --git a/script/XAS.py b/script/XAS.py
index 126d2521..29ced02b 100644
--- a/script/XAS.py
+++ b/script/XAS.py
@@ -5,12 +5,12 @@ XAS scan
 POSITIONERS = (Eph)
 SENSORS = (SampleCurrent, RefCurrent, AuxCurrent, AuxVoltage, MachineCurrent)
 #SENSORS = (SampleCurrent, RefCurrent, AuxCurrent, MachineCurrent, OpticsCameraCentroidX, OpticsCameraSigmaX)
-STARTPOS = (518.0)
-ENDPOS = (548.0)
+STARTPOS = (99)
+ENDPOS = (110)
 #NUMPOINTS = 76
-STEPSIZE = 0.05
-LATENCY = 0.2
-DWELL = 5.0
+STEPSIZE = 0.5
+LATENCY = 0.0
+DWELL = 60.0
 ENDSCAN = True # close shutter at end
 
 value = DWELL * 10.0