diff --git a/src/plotmanager.h b/src/plotmanager.h
--- a/src/plotmanager.h
+++ b/src/plotmanager.h
@@ -1,5 +1,5 @@
 /*
-  Copyright © 2016 Hasan Yavuz Özderya
+  Copyright © 2017 Hasan Yavuz Özderya
 
   This file is part of serialplot.
 
@@ -30,13 +30,14 @@
 #include <qwt_plot_curve.h>
 #include "plot.h"
 #include "framebufferseries.h"
+#include "channelinfomodel.h"
 
 class PlotManager : public QObject
 {
     Q_OBJECT
 
 public:
-    explicit PlotManager(QWidget* plotArea, QObject *parent = 0);
+    explicit PlotManager(QWidget* plotArea, ChannelInfoModel* infoModel = NULL, QObject *parent = 0);
     ~PlotManager();
     /// Add a new curve with title and buffer. A color is
     /// automatically chosen for curve.
@@ -77,6 +78,7 @@ private:
     QScrollArea* scrollArea;
     QList<QwtPlotCurve*> curves;
     QList<Plot*> plotWidgets;
+    ChannelInfoModel* _infoModel;
     bool isDemoShown;
     bool _autoScaled;
     double _yMin;
@@ -104,6 +106,10 @@ private slots:
     void showLegend(bool show = true);
     void unzoom();
     void darkBackground(bool enabled = true);
+
+    void onChannelInfoChanged(const QModelIndex & topLeft,
+                              const QModelIndex & bottomRight,
+                              const QVector<int> & roles = QVector<int> ());
 };
 
 #endif // PLOTMANAGER_H