Index: DD_Calibration/interface.ui
===================================================================
diff -u -rfc2bcc5d5a0af8e977e5a1c35e2b5573630984df -r4d40ee3486dcc3fdc5be44f0f8bfe4fdeb7110d2
--- DD_Calibration/interface.ui	(.../interface.ui)	(revision fc2bcc5d5a0af8e977e5a1c35e2b5573630984df)
+++ DD_Calibration/interface.ui	(.../interface.ui)	(revision 4d40ee3486dcc3fdc5be44f0f8bfe4fdeb7110d2)
@@ -60,7 +60,7 @@
    <item row="1" column="0">
     <widget class="QTabWidget" name="tabWidget">
      <property name="currentIndex">
-      <number>6</number>
+      <number>0</number>
      </property>
      <widget class="QWidget" name="tab">
       <attribute name="title">