diff --git a/script/XAS.py b/script/XAS.py
index e39dca62..814847e1 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 = (500.)
-ENDPOS = (1500.)
+STARTPOS = (60.)
+ENDPOS = (800.)
 #NUMPOINTS = 76
-STEPSIZE = 10.0
+STEPSIZE = 5.0
 LATENCY = 0.0
 
 ENDSCAN = True # close shutter at end