diff --git a/schainpy/gui/viewer/ui_initwindow.py b/schainpy/gui/viewer/ui_initwindow.py
index 928616a..1031a6f 100644
--- a/schainpy/gui/viewer/ui_initwindow.py
+++ b/schainpy/gui/viewer/ui_initwindow.py
@@ -37,7 +37,7 @@ class Ui_InitWindow(object):
         font.setBold(False)
         font.setWeight(50)
         self.label_3.setFont(font)
-        self.label_3.setText(QtGui.QApplication.translate("Dialog", "Signal Chain - Ver. 1.0", None, QtGui.QApplication.UnicodeUTF8))
+        self.label_3.setText(QtGui.QApplication.translate("Dialog", "Signal Chain GUI - Ver. 2.0", None, QtGui.QApplication.UnicodeUTF8))
         self.label_3.setObjectName(_fromUtf8("label_3"))
         self.verticalLayout_4.addWidget(self.label_3)
         self.line_2 = QtGui.QFrame(Dialog)
diff --git a/schainpy/model/io/jroIO_voltage.py b/schainpy/model/io/jroIO_voltage.py
index 266157c..5537f1f 100644
--- a/schainpy/model/io/jroIO_voltage.py
+++ b/schainpy/model/io/jroIO_voltage.py
@@ -499,7 +499,7 @@ class VoltageWriter(JRODataWriter, Operation):
         self.blockIndex += 1
         self.nTotalBlocks += 1
         
-        print "[Writing] Block = ", self.blockIndex
+#         print "[Writing] Block = %04d" %self.blockIndex
         
     def putData(self):
         """