diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 4a9d269..bf3b922 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -10,9 +10,9 @@ mainWindow::mainWindow(QWidget *parent) :
     _presetsTable(new QTableWidget),
     _presetSettingsTable(new QTableWidget),
     _menuBar(new QMenuBar),
-    _midiIn(new QMidiIn),
-    _midiOut(new QMidiOut),
-    _midiMessage(new QMidiMessage)
+    _midiMessage(new QMidiMessage),
+    _midiIn(new QMidiIn(this)),
+    _midiOut(new QMidiOut(this))
 {
     //_midiIn->openPort(NULL);
     //_midiOut->openPort(NULL);
@@ -74,6 +74,8 @@ mainWindow::~mainWindow()
 
 }
 
+// SLOTS
+
 void mainWindow::onMidiMessageReceive(QMidiMessage *message)
 {
     std::vector<unsigned char> rawMessage = message->getRawMessage();
@@ -102,9 +104,24 @@ void mainWindow::onMidiMessageReceive(QMidiMessage *message)
     //qDebug() << "BYTE #7 : " << rawMessage.at(6) ; // DEBUG
 }
 
-void mainWindow::openSettingsWindow(){
+void mainWindow::openSettingsWindow()
+{
     qDebug() << "Open settings window here" ;
     _settingsWindow->setWindowModality(Qt::ApplicationModal);
     _settingsWindow->show();
 
 }
+
+void mainWindow::openMidiOutPort(unsigned int port)
+{
+    if(_midiOut->isPortOpen()) _midiOut->closePort();
+    _midiOut->openPort(port);
+}
+
+void mainWindow::openMidiInPort(unsigned int port)
+{
+    if(_midiIn->isPortOpen()) _midiIn->closePort();
+
+    _midiIn->openPort(port);
+}
+
diff --git a/src/mainwindow.h b/src/mainwindow.h
index 7159c9d..7ee1aa9 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -60,6 +60,9 @@ public slots:
     void openSettingsWindow();
     //void updateDeviceConfig(std::bitset<3> thru, int mastChn);
     //void updatePresetSettings(std::vector<unsigned int>* presetSettings);
+    void openMidiOutPort(unsigned int port);
+    void openMidiInPort(unsigned int port);
+
 
 };
 
diff --git a/src/settingswindow.cpp b/src/settingswindow.cpp
index 70517c8..c708411 100644
--- a/src/settingswindow.cpp
+++ b/src/settingswindow.cpp
@@ -2,14 +2,22 @@
 #include <QPushButton>
 #include <QVBoxLayout>
 #include <QDebug>
+#include <QGroupBox>
+#include <QCheckBox>
+#include <QSpinBox>
 #include <QLabel>
+#include <bitset>
 settingsWindow::settingsWindow(QWidget *parent) :
     QMainWindow(parent),
     _midiIn(new QMidiIn),
     _midiOut(new QMidiOut),
     _midiMessage(new QMidiMessage),
     _inPortComboBox(new QComboBox(this)),
-    _outPortComboBox(new QComboBox(this))
+    _outPortComboBox(new QComboBox(this)),
+    _channelThruCheckBox(new QCheckBox(this)),
+    _sysexThruCheckBox(new QCheckBox(this)),
+    _realtimeThruCheckBox(new QCheckBox(this)),
+    _masterChannelSpinBox(new QSpinBox(this))
 {
     this->setWindowTitle("Configuration");
 
@@ -24,17 +32,42 @@ settingsWindow::settingsWindow(QWidget *parent) :
 
 
     QPushButton *bouton = new QPushButton();
-    bouton->setText("OK");
+    bouton->setText("Apply");
+
+    // THRU MASTER CHANNEL
+    QGroupBox *thruChnBox = new QGroupBox("Thru Settings");
+    _channelThruCheckBox->setText("Channel Events Thru (BIT0)");
+    _sysexThruCheckBox->setText("Sysex Events Thru (BIT1)");
+    _realtimeThruCheckBox->setText("Realtim Events Thru (BIT2)");
+
+    _masterChannelSpinBox->setValue(1);
+
+    QPushButton *getConfigButton = new QPushButton;
+    getConfigButton->setText("Get configuration");
+    QPushButton *setConfigButton = new QPushButton;
+    setConfigButton->setText("Set configuration");
+
+    QVBoxLayout *vbox = new QVBoxLayout;
+    vbox->addWidget(_channelThruCheckBox);
+    vbox->addWidget(_sysexThruCheckBox);
+    vbox->addWidget(_realtimeThruCheckBox);
+    vbox->addWidget(_masterChannelSpinBox);
+    vbox->addWidget(getConfigButton);
+    vbox->addWidget(setConfigButton);
+    thruChnBox->setLayout(vbox);
+    // END THRU MASTER CHANNEL
 
     mainLayout->addWidget(new QLabel("Midi IN"));
     mainLayout->addWidget(_inPortComboBox);
     mainLayout->addWidget(new QLabel("Midi OUT"));
     mainLayout->addWidget(_outPortComboBox);
     mainLayout->addWidget(bouton);
+    mainLayout->addWidget(thruChnBox);
 
     mainWidget->setLayout(mainLayout);
     setCentralWidget(mainWidget);
 
 
 
+
 }
diff --git a/src/settingswindow.h b/src/settingswindow.h
index b01f251..502f161 100644
--- a/src/settingswindow.h
+++ b/src/settingswindow.h
@@ -4,6 +4,9 @@
 #include <QWidget>
 #include <QMainWindow>
 #include <QComboBox>
+#include <QGroupBox>;
+#include <QCheckBox>
+#include <QSpinBox>
 
 #include "qmidimessage.h"
 #include "qmidiin.h"
@@ -19,6 +22,12 @@ public:
 
     QComboBox *_inPortComboBox;
     QComboBox *_outPortComboBox;
+
+    QCheckBox *_channelThruCheckBox;
+    QCheckBox *_sysexThruCheckBox;
+    QCheckBox *_realtimeThruCheckBox;
+    QSpinBox *_masterChannelSpinBox;
+
 private:
     QMidiIn *_midiIn;
     QMidiOut *_midiOut;