diff --git a/src/plotmanager.h b/src/plotmanager.h
--- a/src/plotmanager.h
+++ b/src/plotmanager.h
@@ -26,12 +26,24 @@
 #include <QVBoxLayout>
 #include <QList>
 #include <QSettings>
+#include <QAction>
+#include <QMenu>
 
 #include <qwt_plot_curve.h>
 #include "plot.h"
 #include "framebufferseries.h"
 #include "channelinfomodel.h"
 
+struct PlotViewSettings
+{
+    bool showGrid;
+    bool showMinorGrid;
+    bool darkBackground;
+    bool showLegend;
+    bool showMulti;
+    Plot::ShowSymbols showSymbols;
+};
+
 class PlotManager : public QObject
 {
     Q_OBJECT
@@ -52,6 +64,10 @@ public:
     unsigned numOfCurves();
     /// Returns the list of actions to be inserted into the `View` menu
     QList<QAction*> menuActions();
+    /// Returns current status of menu actions
+    PlotViewSettings viewSettings() const;
+    /// Set the current state of view
+    void setViewSettings(const PlotViewSettings& settings);
     /// Stores plot settings into a `QSettings`.
     void saveSettings(QSettings* settings);
     /// Loads plot settings from a `QSettings`.
@@ -71,7 +87,7 @@ public slots:
     /// Display an animation for snapshot
     void flashSnapshotOverlay();
     /// Should be called to update zoom base
-    void onNumOfSamplesChanged(unsigned value);
+    void setNumOfSamples(unsigned value);
 
 private:
     bool isMulti;
@@ -89,6 +105,7 @@ private:
     double _xMin;
     double _xMax;
     unsigned _numOfSamples;
+    Plot::ShowSymbols showSymbols;
 
     // menu actions
     QAction showGridAction;
@@ -97,6 +114,11 @@ private:
     QAction darkBackgroundAction;
     QAction showLegendAction;
     QAction showMultiAction;
+    QAction setSymbolsAction;
+    QMenu setSymbolsMenu;
+    QAction* setSymbolsAutoAct;
+    QAction* setSymbolsShowAct;
+    QAction* setSymbolsHideAct;
 
     void setupLayout(bool multiPlot);
     /// Inserts a new plot widget to the current layout.
@@ -105,6 +127,7 @@ private:
     Plot* plotWidget(unsigned curveIndex);
     /// Common part of overloaded `addCurve` functions
     void _addCurve(QwtPlotCurve* curve);
+    void setSymbols(Plot::ShowSymbols shown);
 
 private slots:
     void showGrid(bool show = true);