diff --git a/script/XAS.py b/script/XAS.py
index f817e2b8..d2358b5f 100644
--- a/script/XAS.py
+++ b/script/XAS.py
@@ -7,10 +7,10 @@ POSITIONERS = (Eph)
 
 SENSORS = (SampleCurrent, RefCurrent, MachineCurrent)
 #SENSORS = (SampleCurrent, RefCurrent, AuxCurrent, MachineCurrent, OpticsCameraCentroidX, OpticsCameraSigmaX)
-STARTPOS = (440.)
-ENDPOS = (450.)
+STARTPOS = (60.)
+ENDPOS = (600.)
 #NUMPOINTS = 76
-STEPSIZE = 2.5
+STEPSIZE = 10.0
 LATENCY = 0.0
 
 ENDSCAN = False # close shutter at end