diff --git a/script/Alignment/Gun_solenoid_alignment_dv_sim.py b/script/Alignment/Gun_solenoid_alignment_dv_sim.py
index c6a5e54..140338b 100644
--- a/script/Alignment/Gun_solenoid_alignment_dv_sim.py
+++ b/script/Alignment/Gun_solenoid_alignment_dv_sim.py
@@ -6,7 +6,7 @@ bpm_y = ai2        # Channel("SINEG01-DBPM340:Y1")
 def ccr(mag):
     n = 1
     while n > 0:
-        sleep(2.0)
+        sleep(0.2)
         n = caget(mag + ":I-COMP")
 
 I1 = 2.0
@@ -21,7 +21,7 @@ for m in mag:
 for m in mag:
     ccr(m)
 
-r = lscan(I_set, [I_read, bpm_x, bpm_y], I1, I2, dI)
+r = lscan(I_set, [I_read, bpm_x, bpm_y], I1, I2, dI, before_read = ccr("SINEG01-MSOL130"))
 
 plot(r.getReadable(2), xdata=r.getReadable(1), title = "Centroid excursion")
 set_return(r.print())