diff --git a/script/XAS.py b/script/XAS.py
index 7b0faf1a..da1cc40e 100644
--- a/script/XAS.py
+++ b/script/XAS.py
@@ -8,7 +8,7 @@ STARTPOS = (700.0)
 ENDPOS = (710.0)
 NUMPOINTS = 11
 LATENCY = 0.1
-DWELL = 1.0
+DWELL = 5.0
 #OTF = FALSE
 ENDSCAN = True # close shutter at end
 
@@ -17,8 +17,12 @@ SampleCurrentAveraging.write(value)
 RefCurrentAveraging.write(value)
 AuxCurrentAveraging.write(value)
 
+def trig():
+    wait_beam()
+    adctrg.write(1)
+
 try:
-    lscan(POSITIONERS, SENSORS, STARTPOS, ENDPOS, NUMPOINTS, LATENCY, before_read=wait_beam, after_read=after_readout)
+    lscan(POSITIONERS, SENSORS, STARTPOS, ENDPOS, NUMPOINTS, LATENCY, before_read=trig, after_read=after_readout)
 finally:
     if ENDSCAN:
         after_scan()