diff --git a/script/optics/ExitSlitScan.py b/script/optics/ExitSlitScan.py
index 368ca2db..fe3c1a72 100644
--- a/script/optics/ExitSlitScan.py
+++ b/script/optics/ExitSlitScan.py
@@ -6,7 +6,7 @@ set ADC or Keithly averaging separately.
 
 POSITIONERS = (ExitSlit)
 SENSORS = (SampleCurrent, RefCurrent, AuxCurrent, MachineCurrent)
-STARTPOS = (-10.0)
+STARTPOS = (0.0)
 ENDPOS = (200.0)
 STEPS = 10.0
 LATENCY = 10.
@@ -14,8 +14,8 @@ LATENCY = 10.
 lscan(POSITIONERS, SENSORS, STARTPOS, ENDPOS, STEPS, LATENCY, before_read=before_readout, after_read=after_readout)
 
 STARTPOS = (200.0)
-ENDPOS = (-10.0)
+ENDPOS = (0.0)
 STEPS = -10.0
 
-lscan(POSITIONERS, SENSORS, STARTPOS, ENDPOS, STEPS, LATENCY, before_read=before_readout, after_read=after_readout)
+# lscan(POSITIONERS, SENSORS, STARTPOS, ENDPOS, STEPS, LATENCY, before_read=before_readout, after_read=after_readout)