diff --git a/script/optics/ExitSlitYScanKei.py b/script/optics/ExitSlitYScanKei.py
index 5411c2d7..14801b0a 100644
--- a/script/optics/ExitSlitYScanKei.py
+++ b/script/optics/ExitSlitYScanKei.py
@@ -34,13 +34,14 @@ caput(KEI_RMU + "RANGE", 8) # 2 nA
 
 def trig():
     wait_beam()
-    caput(KEI_DIODE + "DOINIT", 1)
+    caput(KEI_DIODE + "DOREAD", 1)
+    #caput(KEI_DIODE + "DOINIT", 1)
     #caput(KEI_RMU + "DOINIT", 1)
-    time.sleep(1.0)
-    caput(KEI_DIODE + "DOTRIGGER", 1)
+    #time.sleep(1.0)
+    #caput(KEI_DIODE + "DOTRIGGER", 1)
     #caput(KEI_RMU + "DOTRIGGER", 1)
-    time.sleep(DWELL * 2)
-    caput(KEI_DIODE + "DOFETCH", 1)
+    #time.sleep(DWELL * 2)
+    #caput(KEI_DIODE + "DOFETCH", 1)
     #caput(KEI_RMU + "DOFETCH", 1)
 
 lscan(POSITIONERS, SENSORS, STARTPOS, ENDPOS, STEPS, LATENCY, before_read=trig, after_read=after_readout)