diff --git a/script/optics/ExitSlitScanKei.py b/script/optics/ExitSlitScanKei.py
index fdfc9354..49fa7179 100644
--- a/script/optics/ExitSlitScanKei.py
+++ b/script/optics/ExitSlitScanKei.py
@@ -12,12 +12,14 @@ SENSORS = (Keithley1, Keithley2, MachineCurrent)
 STARTPOS = (-10.0)
 ENDPOS = (200.0)
 STEPS = 10.0
-LATENCY = 0.1
+LATENCY = 1.0
 DWELL = 1.0
 
 KEI_DIODE = "X03DA-KEITHLEY-1:"
 KEI_RMU = "X03DA-KEITHLEY-2:"
 
+ExitSlit.write(STARTPOS)
+
 caput(KEI_DIODE + "DOSETDEFAULT", 1)
 caput(KEI_RMU + "DOSETDEFAULT", 1)
 time.sleep(1.0)