diff --git a/utils/gui/pyqt/main_window/MainWindow.ui b/utils/gui/pyqt/main_window/MainWindow.ui
index fc22876..bdf34fd 100644
--- a/utils/gui/pyqt/main_window/MainWindow.ui
+++ b/utils/gui/pyqt/main_window/MainWindow.ui
@@ -135,7 +135,7 @@
                     <string>afficher les graphes</string>
                    </property>
                    <property name="checked">
-                    <bool>false</bool>
+                    <bool>true</bool>
                    </property>
                   </widget>
                  </item>
@@ -262,6 +262,9 @@
                    </item>
                    <item row="3" column="1">
                     <widget class="QDoubleSpinBox" name="x_mean">
+                     <property name="readOnly">
+                      <bool>true</bool>
+                     </property>
                      <property name="buttonSymbols">
                       <enum>QAbstractSpinBox::NoButtons</enum>
                      </property>
diff --git a/utils/gui/pyqt/main_window/UI_MainWindow.py b/utils/gui/pyqt/main_window/UI_MainWindow.py
index e257896..4ac9872 100644
--- a/utils/gui/pyqt/main_window/UI_MainWindow.py
+++ b/utils/gui/pyqt/main_window/UI_MainWindow.py
@@ -84,7 +84,7 @@ class Ui_MainWindow(object):
         self.graphs_params_layout = QtWidgets.QHBoxLayout()
         self.graphs_params_layout.setObjectName("graphs_params_layout")
         self.show_graph_checkbox = QtWidgets.QCheckBox(self.parameters)
-        self.show_graph_checkbox.setChecked(False)
+        self.show_graph_checkbox.setChecked(True)
         self.show_graph_checkbox.setObjectName("show_graph_checkbox")
         self.graphs_params_layout.addWidget(self.show_graph_checkbox)
         self.label = QtWidgets.QLabel(self.parameters)
@@ -114,7 +114,7 @@ class Ui_MainWindow(object):
         self.scrollArea.setWidgetResizable(True)
         self.scrollArea.setObjectName("scrollArea")
         self.scrollAreaWidgetContents = QtWidgets.QWidget()
-        self.scrollAreaWidgetContents.setGeometry(QtCore.QRect(0, 0, 431, 907))
+        self.scrollAreaWidgetContents.setGeometry(QtCore.QRect(0, -179, 431, 907))
         sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Ignored, QtWidgets.QSizePolicy.Preferred)
         sizePolicy.setHorizontalStretch(0)
         sizePolicy.setVerticalStretch(0)