diff --git a/script/XAS.py b/script/XAS.py
index 7ab3a801..d90cc984 100644
--- a/script/XAS.py
+++ b/script/XAS.py
@@ -7,12 +7,12 @@ SENSORS = (Keithley1, Keithley2, MachineCurrent)
 
 #SENSORS = (SampleCurrent, RefCurrent, AuxCurrent, AuxVoltage, MachineCurrent)
 #SENSORS = (SampleCurrent, RefCurrent, AuxCurrent, MachineCurrent, OpticsCameraCentroidX, OpticsCameraSigmaX)
-STARTPOS = (800)
-ENDPOS = (810)
+STARTPOS = (98)
+ENDPOS = (106)
 #NUMPOINTS = 76
 STEPSIZE = 0.1
 LATENCY = 5.0
-DWELL = 0.5
+DWELL = 1
 
 ENDSCAN = False # close shutter at end