diff --git a/script/optics/ExitSlitYScan.py b/script/optics/ExitSlitYScan.py
index a53e34bb..9069b992 100644
--- a/script/optics/ExitSlitYScan.py
+++ b/script/optics/ExitSlitYScan.py
@@ -13,8 +13,8 @@ ENDPOS = (0.0)
 #STEPS = -0.01
 DWELL = 0.1
 TOTAL_TIME = 120
-STEPS = int(TOTAL_TIME / DWELL) + 1
-#STEPS = 200
+#STEPS = int(TOTAL_TIME / DWELL) + 1
+STEPS = 100
 
 def trig():
     #wait_beam()
@@ -27,5 +27,5 @@ def trig():
 #set_adc_averaging(dwelltime=DWELL)
 #set_exec_pars(compression=True, shuffle=True)
 set_exec_pars(compression=True)
-#lscan(POSITIONERS, SENSORS, STARTPOS, ENDPOS, STEPS, LATENCY, before_read=trig, after_read=after_readout)
-cscan(POSITIONERS, SENSORS, STARTPOS, ENDPOS, STEPS, time=TOTAL_TIME, before_read=trig, after_read=after_readout, check_positions = False)
+lscan(POSITIONERS, SENSORS, STARTPOS, ENDPOS, STEPS, LATENCY, before_read=trig, after_read=after_readout)
+#cscan(POSITIONERS, SENSORS, STARTPOS, ENDPOS, STEPS, time=TOTAL_TIME, before_read=trig, after_read=after_readout, check_positions = False)