diff --git a/.vscode/settings.json b/.vscode/settings.json
index 88e7c1f..0650fea 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,7 +1,8 @@
 {
   "files.associations": {
     "script.C": "cpp",
-    "SOLARIS_Qt6_DAQ.pro" :  "makefile"
+    "SOLARIS_Qt6_DAQ.pro": "makefile",
+    "qlineseries": "cpp"
   },
 
   "better-comments.multilineComments": true,
diff --git a/README.md b/README.md
index 6b250eb..b3a6702 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ CAEN_DIG2_v1.5.3
 
 CAEN_FELIB_v1.2.2
 
-`sudo apt install qt6-base-dev libcurl4-openssl-dev`
+`sudo apt install qt6-base-dev libcurl4-openssl-dev libqt6charts6-dev`
 
 Digitizer firmware V2745-dpp-pha-2022092903.cup
 
diff --git a/SOLARIS_Qt6_DAQ.pro b/SOLARIS_Qt6_DAQ.pro
index 358a133..b1e26a6 100644
--- a/SOLARIS_Qt6_DAQ.pro
+++ b/SOLARIS_Qt6_DAQ.pro
@@ -6,7 +6,7 @@ TEMPLATE = app
 TARGET = SOLARIS_DAQ
 INCLUDEPATH += .
 
-QT += widgets
+QT += widgets charts
 
 LIBS += -lcurl -lCAEN_FELib
 
diff --git a/mainwindow.cpp b/mainwindow.cpp
index a4ffbe3..c205dd2 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -8,7 +8,10 @@
 #include <QDir>
 #include <QFile>
 #include <QProcess>
-#include <QRegularExpression>
+
+#include <QChartView>
+#include <QLineSeries>
+#include <QValueAxis>
 
 #include <unistd.h>
 
@@ -27,6 +30,8 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent){
   digiSetting = NULL;
   readDataThread = NULL;
 
+  plot = new QChart();
+
   QWidget * mainLayoutWidget = new QWidget(this);
   setCentralWidget(mainLayoutWidget);
   QVBoxLayout * layoutMain = new QVBoxLayout(mainLayoutWidget);
@@ -52,8 +57,9 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent){
     leExpName->setAlignment(Qt::AlignHCenter);
     leExpName->setReadOnly(true);
 
-    QPushButton * bnOpenScope = new QPushButton("Open scope", this);
+    bnOpenScope = new QPushButton("Open scope", this);
     bnOpenScope->setEnabled(false);
+    connect(bnOpenScope, &QPushButton::clicked, this, &MainWindow::OpenScope);
 
     bnOpenDigitizers = new QPushButton("Open Digitizers", this);
     connect(bnOpenDigitizers, SIGNAL(clicked()), this, SLOT(OpenDigitizers()));
@@ -66,7 +72,7 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent){
     bnDigiSettings->setEnabled(false);
     connect(bnDigiSettings, SIGNAL(clicked()), this, SLOT(OpenDigitizersSettings()));
 
-    QPushButton * bnSOLSettings = new QPushButton("SOLARIS Settings", this);
+    bnSOLSettings = new QPushButton("SOLARIS Settings", this);
     bnSOLSettings->setEnabled(false);
 
     layout1->addWidget(bnProgramSettings, 0, 0);
@@ -163,8 +169,7 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent){
 
   if( OpenProgramSettings() )  OpenExpSettings();
 
-  //bnOpenDigitizers_clicked();
-  //OpenDigitizersSettings();
+  bnOpenScope->setEnabled(true);
 
 }
 
@@ -178,6 +183,8 @@ MainWindow::~MainWindow(){
   //delete bnNewExp;
   //delete logInfo;
 
+  if( plot != NULL )delete plot;
+
   //---- need manually delete
   if( digiSetting != NULL ) delete digiSetting;
 
@@ -233,7 +240,7 @@ void MainWindow::StopACQ(){
 //^###################################################################### open and close digitizer
 void MainWindow::OpenDigitizers(){
 
-  LogMsg("Opening " + QString::number(nDigi) + " Digitizers.....");
+  LogMsg("<font style=\"color:blue;\">Opening " + QString::number(nDigi) + " Digitizers..... </font>");
 
   digi = new Digitizer2Gen*[nDigi];
   readDataThread = new ReadDataThread*[nDigi];
@@ -252,6 +259,7 @@ void MainWindow::OpenDigitizers(){
       LogMsg("Opened digitizer : <font style=\"color:red;\">" + QString::number(digi[i]->GetSerialNumber()) + "</font>");
       bnStartACQ->setEnabled(true);
       bnStopACQ->setEnabled(false);
+      bnOpenScope->setEnabled(true);
 
       readDataThread[i] = new ReadDataThread(digi[i], this);
       connect(readDataThread[i], &ReadDataThread::sendMsg, this, &MainWindow::LogMsg);
@@ -272,6 +280,8 @@ void MainWindow::OpenDigitizers(){
 }
 
 void MainWindow::CloseDigitizers(){
+
+  if( digi == NULL) return;
   
   for( int i = 0; i < nDigi; i++){
     digi[i]->CloseDigitizer();
@@ -306,6 +316,49 @@ void MainWindow::CloseDigitizers(){
   bnOpenDigitizers->setFocus();
 }
 
+//^###################################################################### Open Scope
+void MainWindow::OpenScope(){
+
+  QMainWindow * scope = new QMainWindow(this);
+  scope->setWindowTitle("Scope");
+  scope->setGeometry(0, 0, 1000, 800);  
+
+  QWidget * layoutWidget = new QWidget(scope);
+  scope->setCentralWidget(layoutWidget);
+  QGridLayout * layout = new QGridLayout(layoutWidget);
+  layoutWidget->setLayout(layout);
+
+
+  plot->removeAllSeries();
+
+  QLineSeries * data = new QLineSeries(this);
+  data->setName("data");
+
+  //--------- add data
+  data->append(1, 2);
+  data->append(2, 2);
+  data->append(3, 5);
+  data->append(4, 2);
+
+  plot->addSeries(data);
+
+
+  plot->createDefaultAxes(); /// this must be after addSeries();
+  plot->axes(Qt::Vertical).first()->setRange(0, 10); /// this must be after createDefaultAxes();
+  plot->axes(Qt::Horizontal).first()->setRange(0, 5);
+
+  QChartView * plotView = new QChartView(plot);
+  plotView->setRenderHints(QPainter::Antialiasing);
+  
+  //scope->setCentralWidget(plotView);
+  layout->addWidget(plotView);
+
+
+  scope->show();
+
+}
+
+//^###################################################################### Open digitizer setting panel
 void MainWindow::OpenDigitizersSettings(){
   LogMsg("Open digitizers Settings Panel");
 
diff --git a/mainwindow.h b/mainwindow.h
index d08d87c..24a057f 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -11,6 +11,7 @@
 #include <QScrollBar>
 #include <QPushButton>
 #include <QMutex>
+#include <QChart>
 
 #include <vector>
 #include <time.h> // time in nano-sec
@@ -85,92 +86,99 @@ private:
 //=================================================
 
 class MainWindow : public QMainWindow{
-    Q_OBJECT
+  Q_OBJECT
 
 public:
-    MainWindow(QWidget *parent = nullptr);
-    ~MainWindow();
+  MainWindow(QWidget *parent = nullptr);
+  ~MainWindow();
 
     
 private slots:
 
-    void OpenDigitizers();
-    void CloseDigitizers();
+  void OpenDigitizers();
+  void CloseDigitizers();
+  
+  void OpenScope();
 
-    void OpenDigitizersSettings();
+  void OpenDigitizersSettings();
 
 
-    void ProgramSettings();
-    bool OpenProgramSettings();
-    void SaveProgramSettings();
-    void OpenDirectory(int id);
+  void ProgramSettings();
+  bool OpenProgramSettings();
+  void SaveProgramSettings();
+  void OpenDirectory(int id);
 
-    void SetupNewExp();
-    bool OpenExpSettings();
-    void CreateNewExperiment(const QString newExpName);
-    void ChangeExperiment(const QString newExpName);
-    void CreateRawDataFolderAndLink(const QString newExpName);
+  void SetupNewExp();
+  bool OpenExpSettings();
+  void CreateNewExperiment(const QString newExpName);
+  void ChangeExperiment(const QString newExpName);
+  void CreateRawDataFolderAndLink(const QString newExpName);
 
 signals :
 
 
 private:
     
-    QPushButton * bnProgramSettings;
-    QPushButton * bnNewExp;
-    QLineEdit   * leExpName;
+  QPushButton * bnProgramSettings;
+  QPushButton * bnNewExp;
+  QLineEdit   * leExpName;
 
-    QPushButton * bnOpenDigitizers;
-    QPushButton * bnCloseDigitizers;
-    QPushButton * bnDigiSettings;
+  QPushButton * bnOpenDigitizers;
+  QPushButton * bnCloseDigitizers;
+  
+  QPushButton * bnDigiSettings;
+  QPushButton * bnSOLSettings;
 
-    QPushButton * bnStartACQ;
-    QPushButton * bnStopACQ;
-    QLineEdit   * leRunID;
-    QLineEdit   * leRawDataPath;
+  QPushButton * bnOpenScope;
+  QChart      * plot;
 
-    DigiSettings * digiSetting;
+  QPushButton * bnStartACQ;
+  QPushButton * bnStopACQ;
+  QLineEdit   * leRunID;
+  QLineEdit   * leRawDataPath;
 
-    QPlainTextEdit * logInfo;
+  DigiSettings * digiSetting;
 
-    static Digitizer2Gen ** digi; 
-    unsigned short nDigi;
-    std::vector<unsigned short> digiSerialNum;
+  QPlainTextEdit * logInfo;
 
-    void StartACQ();
-    void StopACQ();
+  static Digitizer2Gen ** digi; 
+  unsigned short nDigi;
+  std::vector<unsigned short> digiSerialNum;
 
-    ReadDataThread ** readDataThread;   
+  void StartACQ();
+  void StopACQ();
 
-    void LogMsg(QString msg);
-    bool logMsgHTMLMode = true;
+  ReadDataThread ** readDataThread;   
 
-    //---------------- Program settings
-    QLineEdit * lSaveSettingPath; // only live in ProgramSettigns()
-    QLineEdit * lAnalysisPath; // only live in ProgramSettigns()
-    QLineEdit * lDataPath; // only live in ProgramSettigns()
+  void LogMsg(QString msg);
+  bool logMsgHTMLMode = true;
 
-    QLineEdit * lIPDomain;
-    QLineEdit * lDatbaseIP;
-    QLineEdit * lDatbaseName;
-    QLineEdit * lElogIP;
+  //---------------- Program settings
+  QLineEdit * lSaveSettingPath; // only live in ProgramSettigns()
+  QLineEdit * lAnalysisPath; // only live in ProgramSettigns()
+  QLineEdit * lDataPath; // only live in ProgramSettigns()
 
-    QString settingFilePath;
-    QString analysisPath;
-    QString dataPath;
-    QString IPListStr;
-    QStringList IPList;
-    QString DatabaseIP;
-    QString DatabaseName;
-    QString ElogIP;
+  QLineEdit * lIPDomain;
+  QLineEdit * lDatbaseIP;
+  QLineEdit * lDatbaseName;
+  QLineEdit * lElogIP;
 
-    //------------- experiment settings
-    bool isGitExist;
-    bool useGit;
-    QString expName;
-    QString rawDataFolder;
-    unsigned int runID;
-    unsigned int elogID;
+  QString settingFilePath;
+  QString analysisPath;
+  QString dataPath;
+  QString IPListStr;
+  QStringList IPList;
+  QString DatabaseIP;
+  QString DatabaseName;
+  QString ElogIP;
+
+  //------------- experiment settings
+  bool isGitExist;
+  bool useGit;
+  QString expName;
+  QString rawDataFolder;
+  unsigned int runID;
+  unsigned int elogID;
 
 };