diff --git a/script/XAS.py b/script/XAS.py
index 50e00152..6360dd53 100644
--- a/script/XAS.py
+++ b/script/XAS.py
@@ -5,10 +5,10 @@ XAS scan
 POSITIONERS = (Eph)
 SENSORS = (SampleCurrent, RefCurrent, AuxCurrent, AuxVoltage, MachineCurrent)
 #SENSORS = (SampleCurrent, RefCurrent, AuxCurrent, MachineCurrent, OpticsCameraCentroidX, OpticsCameraSigmaX)
-STARTPOS = (95)
-ENDPOS = (115)
+STARTPOS = (98)
+ENDPOS = (140)
 #NUMPOINTS = 76
-STEPSIZE = 0.1
+STEPSIZE = 0.5
 LATENCY = 0.0
 DWELL = 1.0
 ENDSCAN = True # close shutter at end