diff --git a/plugins/samplesource/filesource/filesourcegui.cpp b/plugins/samplesource/filesource/filesourcegui.cpp
index f76a26af0..9e82c5a36 100644
--- a/plugins/samplesource/filesource/filesourcegui.cpp
+++ b/plugins/samplesource/filesource/filesourcegui.cpp
@@ -50,6 +50,7 @@ FileSourceGui::FileSourceGui(PluginAPI* pluginAPI, QWidget* parent) :
 	connect(&m_updateTimer, SIGNAL(timeout()), this, SLOT(updateHardware()));
 	connect(&(m_pluginAPI->getMainWindow()->getMasterTimer()), SIGNAL(timeout()), this, SLOT(tick()));
 	displaySettings();
+	ui->navTimeSlider->setEnabled(false);
 
 	m_sampleSource = new FileSourceInput(m_pluginAPI->getMainWindow()->getMasterTimer());
 	connect(m_sampleSource->getOutputMessageQueueToGUI(), SIGNAL(messageEnqueued()), this, SLOT(handleSourceMessages()));
@@ -227,8 +228,9 @@ void FileSourceGui::updateWithStreamTime()
 	QTime t(0, 0, 0, 0);
 	t = t.addSecs(t_sec);
 	t = t.addMSecs(t_msec);
-	QString s_time = t.toString("hh:mm:ss.zzz");
-	ui->relTimeText->setText(s_time);
+	QString s_timems = t.toString("hh:mm:ss.zzz");
+	QString s_time = t.toString("hh:mm:ss");
+	ui->relTimeText->setText(s_timems);
 
 	quint64 startingTimeStampMsec = m_startingTimeStamp * 1000;
 	QDateTime dt = QDateTime::fromMSecsSinceEpoch(startingTimeStampMsec);
@@ -236,6 +238,9 @@ void FileSourceGui::updateWithStreamTime()
 	dt = dt.addMSecs(t_msec);
 	QString s_date = dt.toString("yyyy-MM-dd hh:mm:ss.zzz");
 	ui->absTimeText->setText(s_date);
+	float posRatio = (float) t_sec / (float) m_recordLength;
+	ui->navTimeSlider->setValue((int) (posRatio * 100.0));
+	ui->navTimeText->setText(s_time);
 }
 
 void FileSourceGui::tick()
diff --git a/plugins/samplesource/filesource/filesourcegui.ui b/plugins/samplesource/filesource/filesourcegui.ui
index 10d2e4ff4..0faf9b4a2 100644
--- a/plugins/samplesource/filesource/filesourcegui.ui
+++ b/plugins/samplesource/filesource/filesourcegui.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>289</width>
-    <height>133</height>
+    <height>227</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -362,6 +362,69 @@
      </item>
     </layout>
    </item>
+   <item>
+    <widget class="Line" name="line_rate2">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_nav">
+     <item>
+      <widget class="QSlider" name="navTimeSlider">
+       <property name="toolTip">
+        <string>Time navigator</string>
+       </property>
+       <property name="maximum">
+        <number>100</number>
+       </property>
+       <property name="pageStep">
+        <number>1</number>
+       </property>
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="Line" name="line">
+       <property name="orientation">
+        <enum>Qt::Vertical</enum>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="navTimeText">
+       <property name="enabled">
+        <bool>false</bool>
+       </property>
+       <property name="minimumSize">
+        <size>
+         <width>60</width>
+         <height>0</height>
+        </size>
+       </property>
+       <property name="toolTip">
+        <string>Navigate time</string>
+       </property>
+       <property name="text">
+        <string>00:00:00</string>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item>
+    <widget class="Line" name="line_nav">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+    </widget>
+   </item>
   </layout>
  </widget>
  <customwidgets>