diff --git a/hp4155/memristor (Version 4.1)/help_pulse.py b/hp4155/memristor (Version 4.1)/help_pulse.py
index cb554537f075d5b48505cdcb33f402755efd4d95..c612e68ee5285d61ac30fa3ba37663f11d59083b 100644
--- a/hp4155/memristor (Version 4.1)/help_pulse.py	
+++ b/hp4155/memristor (Version 4.1)/help_pulse.py	
@@ -9,7 +9,6 @@ import os
 from datetime import datetime
 import matplotlib.pyplot as plt
 import numpy as np
-import module
 import time
 import pandas as pd
 from IPython.display import display, clear_output
@@ -247,11 +246,9 @@ def constant_meas(dictionary,device):
     times = (elapsed_time,expected_time)
     values = (V_i,I_i,R_i)
 
-    # disable VSU1
-    device.inst.write(":PAGE:CHAN:VSU1:DIS")
-  
     device.autoscaling()
-
+    # disable VSU1
+    device.inst.write(":PAGE:CHAN:VSU1:DIS")    
     return times,values
 
 def plot_constant_pulse(values):
diff --git a/hp4155/memristor (Version 4.1)/memristor_buttons.ipynb b/hp4155/memristor (Version 4.1)/memristor_buttons.ipynb
index f7f151701c06dc130f72e39aafbbb521a0ca5795..3f0b2d276174f99bcee369bd1a047e2aa9c15bba 100644
--- a/hp4155/memristor (Version 4.1)/memristor_buttons.ipynb	
+++ b/hp4155/memristor (Version 4.1)/memristor_buttons.ipynb	
@@ -9,7 +9,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "212346701646426e93e8303278b3364e",
+       "model_id": "ee37bb9143ea4700b52b65472396a736",
        "version_major": 2,
        "version_minor": 0
       },
@@ -23,7 +23,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "3139b7a506294d9da242f0a20ad14372",
+       "model_id": "69dc37eef3324042bde9312312e3c7ae",
        "version_major": 2,
        "version_minor": 0
       },
@@ -37,7 +37,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "d95060388c364b88a88bbb56670d622c",
+       "model_id": "07e0dcf7487e4865a0dca762f11622f5",
        "version_major": 2,
        "version_minor": 0
       },
@@ -51,7 +51,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "949c539ec0cd44ce983f7825903d8774",
+       "model_id": "6a06dee55f204e44963596e9fe610547",
        "version_major": 2,
        "version_minor": 0
       },