diff --git a/README.txt b/README.txt
index ad2d7c4..06ad208 100644
--- a/README.txt
+++ b/README.txt
@@ -6,7 +6,7 @@ installation, you must certify that your system is Debian based (or at least
 uses apt-get) and that you have an active Internet connection. It is important
 to note that you should also have the control commands for the function
 generator already installed, but you can always install them later (please
-refer to the package "gf2-1.0.tar.gz" to do so).
+refer to the packages "gf2-1.1.tar.gz" or "gf2-1.0.tar.gz" to do so).
 
 A list of the included scripts follows:
 – install.sh;
diff --git a/src/about.cpp b/src/about.cpp
index c33895a..f1a44b6 100644
--- a/src/about.cpp
+++ b/src/about.cpp
@@ -1,5 +1,5 @@
-/* GF2 GUI - Version 1.0 for Debian Linux
-   Copyright (c) 2018 Samuel Lourenço
+/* GF2 GUI - Version 2.0 for Debian Linux
+   Copyright (c) 2018-2019 Samuel Lourenço
 
    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the Free
diff --git a/src/about.h b/src/about.h
index f40c128..8b4da0d 100644
--- a/src/about.h
+++ b/src/about.h
@@ -1,5 +1,5 @@
-/* GF2 GUI - Version 1.0 for Debian Linux
-   Copyright (c) 2018 Samuel Lourenço
+/* GF2 GUI - Version 2.0 for Debian Linux
+   Copyright (c) 2018-2019 Samuel Lourenço
 
    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the Free
diff --git a/src/about.ui b/src/about.ui
index f1d29bb..fb00eea 100644
--- a/src/about.ui
+++ b/src/about.ui
@@ -49,7 +49,7 @@
     </rect>
    </property>
    <property name="text">
-    <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;GF2 Graphical User Interface - Version 1.0&lt;br/&gt;Copyright &amp;copy; 2018 Samuel Lourenço&lt;/p&gt;&lt;p&gt;This program is distributed under the terms of the &lt;a href=&quot;http://www.gnu.org/licenses/gpl-3.0-standalone.html&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#2980b9;&quot;&gt;GNU GPL v3&lt;/span&gt;&lt;/a&gt;.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+    <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;GF2 Graphical User Interface - Version 2.0&lt;br/&gt;Copyright © 2018-2019 Samuel Lourenço&lt;/p&gt;&lt;p&gt;This program is distributed under the terms of the &lt;a href=&quot;http://www.gnu.org/licenses/gpl-3.0-standalone.html&quot;&gt;&lt;span style=&quot; text-decoration: underline; color:#2980b9;&quot;&gt;GNU GPL v3&lt;/span&gt;&lt;/a&gt;.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
    </property>
    <property name="alignment">
     <set>Qt::AlignJustify|Qt::AlignTop</set>
diff --git a/src/gf2-gui.pro b/src/gf2-gui.pro
index 5b32888..0ca0782 100644
--- a/src/gf2-gui.pro
+++ b/src/gf2-gui.pro
@@ -4,7 +4,7 @@
 #
 #-------------------------------------------------
 
-QT       += core gui
+QT       += core gui xml
 
 greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 
@@ -14,12 +14,12 @@ TEMPLATE = app
 
 SOURCES += main.cpp\
         mainwindow.cpp \
-    about.cpp \
-    serial.cpp
+    serial.cpp \
+    about.cpp
 
 HEADERS  += mainwindow.h \
-    about.h \
-    serial.h
+    serial.h \
+    about.h
 
 FORMS    += mainwindow.ui \
     about.ui \
diff --git a/src/main.cpp b/src/main.cpp
index bb59382..dc2606b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,5 +1,5 @@
-/* GF2 GUI - Version 1.0 for Debian Linux
-   Copyright (c) 2018 Samuel Lourenço
+/* GF2 GUI - Version 2.0 for Debian Linux
+   Copyright (c) 2018-2019 Samuel Lourenço
 
    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the Free
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index ca6d590..3d4f440 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -1,5 +1,5 @@
-/* GF2 GUI - Version 1.0 for Debian Linux
-   Copyright (c) 2018 Samuel Lourenço
+/* GF2 GUI - Version 2.0 for Debian Linux
+   Copyright (c) 2018-2019 Samuel Lourenço
 
    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the Free
@@ -19,6 +19,8 @@
 
 
 // Includes
+#include <QFileDialog>
+#include <QMessageBox>
 #include <QProcess>
 #include "about.h"
 #include "mainwindow.h"
@@ -30,6 +32,8 @@ MainWindow::MainWindow(QWidget *parent) :
     ui(new Ui::MainWindow)
 {
     ui->setupUi(this);
+    ui->pushButtonClear->setFocus();
+    filepath_ = QDir::homePath();
 }
 
 MainWindow::~MainWindow()
@@ -43,13 +47,115 @@ void MainWindow::on_actionAbout_triggered()
     about.exec();
 }
 
+void MainWindow::on_actionLoad_triggered()
+{
+    QString filename = QFileDialog::getOpenFileName(this, tr("Load Settings from File"), filepath_, tr("XML files (*.xml);;All files (*)"));
+    if (!filename.isEmpty())  // Note that the previous dialog will return an empty string if the user cancels it
+    {
+        QFile file(filename);
+        if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
+        {
+            QMessageBox errorRead;
+            errorRead.critical(this, tr("Error"), tr("Could not read from %1.\n\nPlease verify that you have read access to this file.").arg(QDir::toNativeSeparators(filename)));
+        }
+        else
+        {
+            QDomDocument document;
+            bool error = !document.setContent(&file);
+            file.close();
+            if (error)
+            {
+                QMessageBox errorInvalid;
+                errorInvalid.critical(this, tr("Error"), tr("Invalid XML. The file might be corrupted or incomplete."));
+            }
+            else
+            {
+                QDomElement root = document.firstChildElement();
+                if (root.tagName() != "settings" || root.attribute("target") != "GF2")
+                {
+                    QMessageBox errorNoSettings;
+                    errorNoSettings.critical(this, tr("Error"), tr("The selected file is not a GF2 settings file."));
+                }
+                else
+                {
+                    int errorcount = implementSettings(root);
+                    if (errorcount > 0)
+                    {
+                        QMessageBox warningDebug;
+                        warningDebug.warning(this, tr("Warning"), tr("Found %1 setting(s) with invalid attribute values.\n\nPlease check your settings file for out-of-bounds or unsupported attribute values.").arg(errorcount));
+                    }
+                    filepath_ = filename;
+                }
+            }
+        }
+    }
+}
+
+void MainWindow::on_actionSave_triggered()
+{
+    QString filename = QFileDialog::getSaveFileName(this, tr("Save Settings to File"), filepath_, tr("XML files (*.xml);;All files (*)"));
+    if (!filename.isEmpty())  // Note that the previous dialog will return an empty string if the user cancels it
+    {
+        QDomDocument document;
+        QDomProcessingInstruction instruction = document.createProcessingInstruction("xml", "version=\"1.0\" encoding=\"utf-8\"");
+        document.appendChild(instruction);
+        QDomElement root = document.createElement("settings");
+        root.setAttribute("target", "GF2");
+        document.appendChild(root);
+        if (ui->comboBoxWave->currentIndex() == 0)
+            appendSetting(document, root, "waveform", "sinusoidal");
+        else if (ui->comboBoxWave->currentIndex() == 1)
+            appendSetting(document, root, "waveform", "triangular");
+        appendSetting(document, root, "frequency_0", QString::number(ui->doubleSpinBoxFreq0->value()));
+        appendSetting(document, root, "frequency_1", QString::number(ui->doubleSpinBoxFreq1->value()));
+        if (ui->radioButtonSelFreq0->isChecked())
+            appendSetting(document, root, "active_frequency", "frequency_0");
+        else if (ui->radioButtonSelFreq1->isChecked())
+            appendSetting(document, root, "active_frequency", "frequency_1");
+        appendSetting(document, root, "phase_0", QString::number(ui->doubleSpinBoxPhase0->value()));
+        appendSetting(document, root, "phase_1", QString::number(ui->doubleSpinBoxPhase1->value()));
+        if (ui->radioButtonSelPhase0->isChecked())
+            appendSetting(document, root, "active_phase", "phase_0");
+        else if (ui->radioButtonSelPhase1->isChecked())
+            appendSetting(document, root, "active_phase", "phase_1");
+        appendSetting(document, root, "amplitude", QString::number(ui->doubleSpinBoxAmp->value()));
+        if (ui->checkBoxZload->isChecked())
+            appendSetting(document, root, "50r_load", "on");
+        else
+            appendSetting(document, root, "50r_load", "off");
+        if (ui->radioButtonDACOn->isChecked())
+            appendSetting(document, root, "dac_state", "on");
+        else if (ui->radioButtonDACOff->isChecked())
+            appendSetting(document, root, "dac_state", "off");
+        if (ui->radioButtonClkOn->isChecked())
+            appendSetting(document, root, "clock_state", "on");
+        else if (ui->radioButtonClkOff->isChecked())
+            appendSetting(document, root, "clock_state", "off");
+        QFile file(filename);
+        if (!file.open(QIODevice::WriteOnly | QIODevice::Text))
+        {
+            QMessageBox errorWrite;
+            errorWrite.critical(this, tr("Error"), tr("Could not write to %1.\n\nPlease verify that you have write access to this file.").arg(QDir::toNativeSeparators(filename)));
+        }
+        else
+        {
+            QTextStream out(&file);
+            out.setCodec("UTF-8");
+            out << document.toString();
+            file.close();
+            filepath_ = filename;
+        }
+    }
+}
+
 void MainWindow::on_actionSerial_triggered()
 {
     Serial serial;
+    serial.setSerialLineEditText(serialstr_);
     if (serial.exec() == QDialog::Accepted)
     {
-        serialstr_ = serial.getSerial();
-        if (serialstr_ == "")
+        serialstr_ = serial.serialLineEditText();
+        if (serialstr_.isEmpty())
             this->setWindowTitle("GF2 Function Generator");
         else
             this->setWindowTitle("GF2 Function Generator (S/N: " + serialstr_ + ")");
@@ -74,110 +180,53 @@ void MainWindow::on_checkBoxZload_stateChanged()
 
 void MainWindow::on_comboBoxWave_currentIndexChanged(int index)
 {
-    QProcess sh;
-    QString command;
     if (ui->actionAutoApply->isChecked())
     {
         if(index == 0)
-            command = ("gf2-sine " + serialstr_).simplified();
+            execute(("gf2-sine " + serialstr_).simplified());
         else if (index == 1)
-            command = ("gf2-tri " + serialstr_).simplified();
-        ui->textBrowserCommand->append("$ " + command);
-        sh.setProcessChannelMode(QProcess::MergedChannels);
-        sh.start("sh", QStringList() << "-c" << command);
-        sh.waitForFinished();
-        ui->textBrowserCommand->append(sh.readAll());
-        sh.close();
+            execute(("gf2-tri " + serialstr_).simplified());
     }
 }
 
 void MainWindow::on_doubleSpinBoxAmp_valueChanged(const QString &arg)
 {
-    QProcess sh;
-    QString command, zload;
     if (ui->actionAutoApply->isChecked())
     {
+        QString zload;
         if (ui->checkBoxZload->isChecked())
             zload = "50";
-        command = ("gf2-amp" + zload + " " + arg + " " + serialstr_).simplified();
-        ui->textBrowserCommand->append("$ " + command);
-        sh.setProcessChannelMode(QProcess::MergedChannels);
-        sh.start("sh", QStringList() << "-c" << command);
-        sh.waitForFinished();
-        ui->textBrowserCommand->append(sh.readAll());
-        sh.close();
+        execute(("gf2-amp" + zload + " " + arg + " " + serialstr_).simplified());
     }
 }
 
 void MainWindow::on_doubleSpinBoxFreq0_valueChanged(const QString &arg)
 {
-    QProcess sh;
-    QString command;
     if (ui->actionAutoApply->isChecked())
-    {
-        command = ("gf2-freq0 " + arg + " " + serialstr_).simplified();
-        ui->textBrowserCommand->append("$ " + command);
-        sh.setProcessChannelMode(QProcess::MergedChannels);
-        sh.start("sh", QStringList() << "-c" << command);
-        sh.waitForFinished();
-        ui->textBrowserCommand->append(sh.readAll());
-        sh.close();
-    }
+        execute(("gf2-freq0 " + arg + " " + serialstr_).simplified());
 }
 
 void MainWindow::on_doubleSpinBoxFreq1_valueChanged(const QString &arg)
 {
-    QProcess sh;
-    QString command;
     if (ui->actionAutoApply->isChecked())
-    {
-        command = ("gf2-freq1 " + arg + " " + serialstr_).simplified();
-        command.simplified();
-        ui->textBrowserCommand->append("$ " + command);
-        sh.setProcessChannelMode(QProcess::MergedChannels);
-        sh.start("sh", QStringList() << "-c" << command);
-        sh.waitForFinished();
-        ui->textBrowserCommand->append(sh.readAll());
-        sh.close();
-    }
+        execute(("gf2-freq1 " + arg + " " + serialstr_).simplified());
 }
 
 void MainWindow::on_doubleSpinBoxPhase0_valueChanged(const QString &arg)
 {
-    QProcess sh;
-    QString command;
     if (ui->actionAutoApply->isChecked())
-    {
-        command = ("gf2-phase0 " + arg + " " + serialstr_).simplified();
-        ui->textBrowserCommand->append("$ " + command);
-        sh.setProcessChannelMode(QProcess::MergedChannels);
-        sh.start("sh", QStringList() << "-c" << command);
-        sh.waitForFinished();
-        ui->textBrowserCommand->append(sh.readAll());
-        sh.close();
-    }
+        execute(("gf2-phase0 " + arg + " " + serialstr_).simplified());
 }
 
 void MainWindow::on_doubleSpinBoxPhase1_valueChanged(const QString &arg)
 {
-    QProcess sh;
-    QString command;
     if (ui->actionAutoApply->isChecked())
-    {
-        command = ("gf2-phase1 " + arg + " " + serialstr_).simplified();
-        ui->textBrowserCommand->append("$ " + command);
-        sh.setProcessChannelMode(QProcess::MergedChannels);
-        sh.start("sh", QStringList() << "-c" << command);
-        sh.waitForFinished();
-        ui->textBrowserCommand->append(sh.readAll());
-        sh.close();
-    }
+        execute(("gf2-phase1 " + arg + " " + serialstr_).simplified());
 }
 
 void MainWindow::on_pushButtonApply_clicked()
 {
-    QProcess sh;
-    QString amp, clkstate, command, dacstate, freq0, freq1, fsel, phase0, phase1, psel, wave, zload;
+    QString amp, clkstate, dacstate, freq0, freq1, fsel, phase0, phase1, psel, wave, zload;
     amp = QString::number(ui->doubleSpinBoxAmp->value());
     if (ui->radioButtonClkOn->isChecked())
         clkstate = "on";
@@ -205,159 +254,219 @@ void MainWindow::on_pushButtonApply_clicked()
         wave = "tri";
     if (ui->checkBoxZload->isChecked())
         zload = "50";
-    command = ("gf2-" + wave + " " + serialstr_ + " && gf2-freq0 " + freq0 + " " + serialstr_ + " && gf2-freq1 " + freq1 + " " + serialstr_ + " && gf2-selfreq" + fsel + " " + serialstr_ + " && gf2-phase0 " + phase0 + " " + serialstr_ + " && gf2-phase1 " + phase1 + " " + serialstr_ + " && gf2-selphase" + psel + " " + serialstr_ + " && gf2-amp" + zload + " " + amp + " " + serialstr_ + " && gf2-dac" + dacstate + " " + serialstr_ + " && gf2-clk" + clkstate + " " + serialstr_).simplified();
-    ui->textBrowserCommand->append("$ " + command);
-    sh.setProcessChannelMode(QProcess::MergedChannels);
-    sh.start("sh", QStringList() << "-c" << command);
-    sh.waitForFinished();
-    ui->textBrowserCommand->append(sh.readAll());
-    sh.close();
+    execute(("gf2-" + wave + " " + serialstr_ + " && gf2-freq0 " + freq0 + " " + serialstr_ + " && gf2-freq1 " + freq1 + " " + serialstr_ + " && gf2-selfreq" + fsel + " " + serialstr_ + " && gf2-phase0 " + phase0 + " " + serialstr_ + " && gf2-phase1 " + phase1 + " " + serialstr_ + " && gf2-selphase" + psel + " " + serialstr_ + " && gf2-amp" + zload + " " + amp + " " + serialstr_ + " && gf2-dac" + dacstate + " " + serialstr_ + " && gf2-clk" + clkstate + " " + serialstr_).simplified());
 }
 
 void MainWindow::on_pushButtonClear_clicked()
 {
-    QProcess sh;
-    QString command = ("gf2-clear " + serialstr_).simplified();
-    ui->textBrowserCommand->append("$ " + command);
-    sh.setProcessChannelMode(QProcess::MergedChannels);
-    sh.start("sh", QStringList() << "-c" << command);
-    sh.waitForFinished();
-    ui->textBrowserCommand->append(sh.readAll());
-    sh.close();
+    execute(("gf2-clear " + serialstr_).simplified());
 }
 
 void MainWindow::on_pushButtonReset_clicked()
 {
-    QProcess sh;
-    QString command;
     if (ui->actionResetClear->isChecked())
-        command = ("gf2-reset " + serialstr_ + " && sleep 2 && gf2-clear " + serialstr_).simplified();
+        execute(("gf2-reset " + serialstr_ + " && sleep 2 && gf2-clear " + serialstr_).simplified());
     else
-        command = ("gf2-reset " + serialstr_).simplified();
-    ui->textBrowserCommand->append("$ " + command);
-    sh.setProcessChannelMode(QProcess::MergedChannels);
-    sh.start("sh", QStringList() << "-c" << command);
-    sh.waitForFinished();
-    ui->textBrowserCommand->append(sh.readAll());
-    sh.close();
+        execute(("gf2-reset " + serialstr_).simplified());
 }
 
 void MainWindow::on_pushButtonStart_clicked()
 {
-    QProcess sh;
-    QString command = ("gf2-start " + serialstr_).simplified();
-    ui->textBrowserCommand->append("$ " + command);
-    sh.setProcessChannelMode(QProcess::MergedChannels);
-    sh.start("sh", QStringList() << "-c" << command);
-    sh.waitForFinished();
-    ui->textBrowserCommand->append(sh.readAll());
-    sh.close();
+    execute(("gf2-start " + serialstr_).simplified());
 }
 
 void MainWindow::on_pushButtonStop_clicked()
 {
-    QProcess sh;
-    QString command = ("gf2-stop " + serialstr_).simplified();
-    ui->textBrowserCommand->append("$ " + command);
-    sh.setProcessChannelMode(QProcess::MergedChannels);
-    sh.start("sh", QStringList() << "-c" << command);
-    sh.waitForFinished();
-    ui->textBrowserCommand->append(sh.readAll());
-    sh.close();
+    execute(("gf2-stop " + serialstr_).simplified());
 }
 
 void MainWindow::on_radioButtonClkOff_clicked()
 {
-    QProcess sh;
-    QString command = ("gf2-clkoff " + serialstr_).simplified();
-    ui->textBrowserCommand->append("$ " + command);
-    sh.setProcessChannelMode(QProcess::MergedChannels);
-    sh.start("sh", QStringList() << "-c" << command);
-    sh.waitForFinished();
-    ui->textBrowserCommand->append(sh.readAll());
-    sh.close();
+    execute(("gf2-clkoff " + serialstr_).simplified());
 }
 
 void MainWindow::on_radioButtonClkOn_clicked()
 {
-    QProcess sh;
-    QString command = ("gf2-clkon " + serialstr_).simplified();
-    ui->textBrowserCommand->append("$ " + command);
-    sh.setProcessChannelMode(QProcess::MergedChannels);
-    sh.start("sh", QStringList() << "-c" << command);
-    sh.waitForFinished();
-    ui->textBrowserCommand->append(sh.readAll());
-    sh.close();
+    execute(("gf2-clkon " + serialstr_).simplified());
 }
 
 void MainWindow::on_radioButtonDACOff_clicked()
 {
-    QProcess sh;
-    QString command = ("gf2-dacoff " + serialstr_).simplified();
-    ui->textBrowserCommand->append("$ " + command);
-    sh.setProcessChannelMode(QProcess::MergedChannels);
-    sh.start("sh", QStringList() << "-c" << command);
-    sh.waitForFinished();
-    ui->textBrowserCommand->append(sh.readAll());
-    sh.close();
+    execute(("gf2-dacoff " + serialstr_).simplified());
 }
 
 void MainWindow::on_radioButtonDACOn_clicked()
 {
-    QProcess sh;
-    QString command = ("gf2-dacon " + serialstr_).simplified();
-    ui->textBrowserCommand->append("$ " + command);
-    sh.setProcessChannelMode(QProcess::MergedChannels);
-    sh.start("sh", QStringList() << "-c" << command);
-    sh.waitForFinished();
-    ui->textBrowserCommand->append(sh.readAll());
-    sh.close();
+    execute(("gf2-dacon " + serialstr_).simplified());
 }
 
 void MainWindow::on_radioButtonSelFreq0_clicked()
 {
-    QProcess sh;
-    QString command = ("gf2-selfreq0 " + serialstr_).simplified();
-    ui->textBrowserCommand->append("$ " + command);
-    sh.setProcessChannelMode(QProcess::MergedChannels);
-    sh.start("sh", QStringList() << "-c" << command);
-    sh.waitForFinished();
-    ui->textBrowserCommand->append(sh.readAll());
-    sh.close();
+    execute(("gf2-selfreq0 " + serialstr_).simplified());
 }
 
 void MainWindow::on_radioButtonSelFreq1_clicked()
 {
-    QProcess sh;
-    QString command = ("gf2-selfreq1 " + serialstr_).simplified();
-    ui->textBrowserCommand->append("$ " + command);
-    sh.setProcessChannelMode(QProcess::MergedChannels);
-    sh.start("sh", QStringList() << "-c" << command);
-    sh.waitForFinished();
-    ui->textBrowserCommand->append(sh.readAll());
-    sh.close();
+    execute(("gf2-selfreq1 " + serialstr_).simplified());
 }
 
 void MainWindow::on_radioButtonSelPhase0_clicked()
 {
-    QProcess sh;
-    QString command = ("gf2-selphase0 " + serialstr_).simplified();
-    ui->textBrowserCommand->append("$ " + command);
-    sh.setProcessChannelMode(QProcess::MergedChannels);
-    sh.start("sh", QStringList() << "-c" << command);
-    sh.waitForFinished();
-    ui->textBrowserCommand->append(sh.readAll());
-    sh.close();
+    execute(("gf2-selphase0 " + serialstr_).simplified());
 }
 
 void MainWindow::on_radioButtonSelPhase1_clicked()
+{
+    execute(("gf2-selphase1 " + serialstr_).simplified());
+}
+
+void MainWindow::appendSetting(QDomDocument &document, QDomElement &parent, const QString &name, const QString &value)
+{
+    QDomElement element = document.createElement("setting");
+    element.setAttribute("value", value);
+    element.setAttribute("name", name);
+    parent.appendChild(element);
+}
+
+int MainWindow::implementSettings(const QDomElement &parent)
+{
+    int errcnt = 0;
+    QDomNodeList settings = parent.elementsByTagName("setting");
+    int cnt = settings.count();
+    for (int i = 0; i < cnt; ++i)  // Modifier settings
+    {
+        QDomNode node = settings.item(i);
+        if (node.isElement())
+        {
+            QDomElement element = node.toElement();
+            if(element.attribute("name").toLower() == "50r_load")
+            {
+                QString value = element.attribute("value").toLower();
+                if (value == "on")
+                    ui->checkBoxZload->setChecked(true);
+                else if (value == "off")
+                    ui->checkBoxZload->setChecked(false);
+                else
+                    ++errcnt;
+            }
+        }
+    }
+    for (int i = 0; i < cnt; ++i)  // Normal settings
+    {
+        QDomNode node = settings.item(i);
+        if (node.isElement())
+        {
+            QDomElement element = node.toElement();
+            QString name = element.attribute("name").toLower();
+            if(name == "active_frequency")
+            {
+                QString value = element.attribute("value").toLower();
+                if (value == "frequency_0")
+                    ui->radioButtonSelFreq0->click();
+                else if (value == "frequency_1")
+                    ui->radioButtonSelFreq1->click();
+                else
+                    ++errcnt;
+            }
+            else if(name == "active_phase")
+            {
+                QString value = element.attribute("value").toLower();
+                if (value == "phase_0")
+                    ui->radioButtonSelPhase0->click();
+                else if (value == "phase_1")
+                    ui->radioButtonSelPhase1->click();
+                else
+                    ++errcnt;
+            }
+            else if(name == "amplitude")
+            {
+                bool ok;
+                double value = element.attribute("value").toDouble(&ok);
+                if (ok && value >= ui->doubleSpinBoxAmp->minimum() && value <= ui->doubleSpinBoxAmp->maximum())
+                    ui->doubleSpinBoxAmp->setValue(value);
+                else
+                    ++errcnt;
+            }
+            else if(name == "clock_state")
+            {
+                QString value = element.attribute("value").toLower();
+                if (value == "on")
+                    ui->radioButtonClkOn->click();
+                else if (value == "off")
+                    ui->radioButtonClkOff->click();
+                else
+                    ++errcnt;
+            }
+            else if(name == "dac_state")
+            {
+                QString value = element.attribute("value").toLower();
+                if (value == "on")
+                    ui->radioButtonDACOn->click();
+                else if (value == "off")
+                    ui->radioButtonDACOff->click();
+                else
+                    ++errcnt;
+            }
+            else if(name == "frequency_0")
+            {
+                bool ok;
+                double value = element.attribute("value").toDouble(&ok);
+                if (ok && value >= ui->doubleSpinBoxFreq0->minimum() && value <= ui->doubleSpinBoxFreq0->maximum())
+                    ui->doubleSpinBoxFreq0->setValue(value);
+                else
+                    ++errcnt;
+            }
+            else if(name == "frequency_1")
+            {
+                bool ok;
+                double value = element.attribute("value").toDouble(&ok);
+                if (ok && value >= ui->doubleSpinBoxFreq1->minimum() && value <= ui->doubleSpinBoxFreq1->maximum())
+                    ui->doubleSpinBoxFreq1->setValue(value);
+                else
+                    ++errcnt;
+            }
+            else if(name == "phase_0")
+            {
+                bool ok;
+                double value = element.attribute("value").toDouble(&ok);
+                if (ok && value >= ui->doubleSpinBoxPhase0->minimum() && value <= ui->doubleSpinBoxPhase0->maximum())
+                    ui->doubleSpinBoxPhase0->setValue(value);
+                else
+                    ++errcnt;
+            }
+            else if(name == "phase_1")
+            {
+                bool ok;
+                double value = element.attribute("value").toDouble(&ok);
+                if (ok && value >= ui->doubleSpinBoxPhase1->minimum() && value <= ui->doubleSpinBoxPhase1->maximum())
+                    ui->doubleSpinBoxPhase1->setValue(value);
+                else
+                    ++errcnt;
+            }
+            else if(name == "waveform")
+            {
+                QString value = element.attribute("value").toLower();
+                if (value == "sinusoidal")
+                    ui->comboBoxWave->setCurrentIndex(0);
+                else if (value == "triangular")
+                    ui->comboBoxWave->setCurrentIndex(1);
+                else
+                    ++errcnt;
+            }
+        }
+    }
+    return errcnt;
+}
+
+void MainWindow::execute(const QString &command)
 {
     QProcess sh;
-    QString command = ("gf2-selphase1 " + serialstr_).simplified();
     ui->textBrowserCommand->append("$ " + command);
     sh.setProcessChannelMode(QProcess::MergedChannels);
     sh.start("sh", QStringList() << "-c" << command);
     sh.waitForFinished();
-    ui->textBrowserCommand->append(sh.readAll());
+    QString result = sh.readAll();
+    result.chop(1);
+    ui->textBrowserCommand->append(result);
     sh.close();
 }
diff --git a/src/mainwindow.h b/src/mainwindow.h
index 4975d73..c078ba5 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -1,5 +1,5 @@
-/* GF2 GUI - Version 1.0 for Debian Linux
-   Copyright (c) 2018 Samuel Lourenço
+/* GF2 GUI - Version 2.0 for Debian Linux
+   Copyright (c) 2018-2019 Samuel Lourenço
 
    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the Free
@@ -23,6 +23,7 @@
 
 // Includes
 #include <QMainWindow>
+#include <QtXml>
 
 namespace Ui {
 class MainWindow;
@@ -38,6 +39,8 @@ class MainWindow : public QMainWindow
 
 private slots:
     void on_actionAbout_triggered();
+    void on_actionLoad_triggered();
+    void on_actionSave_triggered();
     void on_actionSerial_triggered();
     void on_checkBoxZload_stateChanged();
     void on_comboBoxWave_currentIndexChanged(int index);
@@ -62,7 +65,10 @@ private slots:
 
 private:
     Ui::MainWindow *ui;
-    QString serialstr_;
+    QString filepath_, serialstr_;
+    void appendSetting(QDomDocument &doc, QDomElement &parent, const QString &name, const QString &value);
+    int implementSettings(const QDomElement &parent);
+    void execute(const QString &command);
 };
 
 #endif // MAINWINDOW_H
diff --git a/src/mainwindow.ui b/src/mainwindow.ui
index 6976511..244f885 100644
--- a/src/mainwindow.ui
+++ b/src/mainwindow.ui
@@ -142,20 +142,17 @@
      <property name="geometry">
       <rect>
        <x>10</x>
-       <y>309</y>
+       <y>315</y>
        <width>115</width>
-       <height>33</height>
+       <height>21</height>
       </rect>
      </property>
      <property name="text">
-      <string>Amplitude (Vpp):</string>
+      <string>Amplitude (V&lt;sub&gt;pp&lt;/sub&gt;):</string>
      </property>
      <property name="alignment">
       <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
      </property>
-     <property name="wordWrap">
-      <bool>true</bool>
-     </property>
     </widget>
     <widget class="QComboBox" name="comboBoxWave">
      <property name="geometry">
@@ -374,7 +371,7 @@
       </rect>
      </property>
      <property name="text">
-      <string>Clear Settings</string>
+      <string>Clear</string>
      </property>
     </widget>
    </widget>
@@ -420,7 +417,7 @@
      <property name="geometry">
       <rect>
        <x>10</x>
-       <y>130</y>
+       <y>350</y>
        <width>81</width>
        <height>31</height>
       </rect>
@@ -433,7 +430,7 @@
      <property name="geometry">
       <rect>
        <x>10</x>
-       <y>170</y>
+       <y>130</y>
        <width>81</width>
        <height>101</height>
       </rect>
@@ -475,7 +472,7 @@
      <property name="geometry">
       <rect>
        <x>10</x>
-       <y>280</y>
+       <y>240</y>
        <width>81</width>
        <height>101</height>
       </rect>
@@ -523,6 +520,12 @@
       <height>161</height>
      </rect>
     </property>
+    <property name="font">
+     <font>
+      <family>Monospace</family>
+      <pointsize>9</pointsize>
+     </font>
+    </property>
    </widget>
   </widget>
   <widget class="QMenuBar" name="menuBar">
@@ -538,11 +541,14 @@
     <property name="title">
      <string>&amp;File</string>
     </property>
+    <addaction name="actionLoad"/>
+    <addaction name="actionSave"/>
+    <addaction name="separator"/>
     <addaction name="actionQuit"/>
    </widget>
-   <widget class="QMenu" name="menuSettings">
+   <widget class="QMenu" name="menuOptions">
     <property name="title">
-     <string>&amp;Settings</string>
+     <string>&amp;Options</string>
     </property>
     <addaction name="actionAutoApply"/>
     <addaction name="actionResetClear"/>
@@ -556,7 +562,7 @@
     <addaction name="actionAbout"/>
    </widget>
    <addaction name="menuFile"/>
-   <addaction name="menuSettings"/>
+   <addaction name="menuOptions"/>
    <addaction name="menuHelp"/>
   </widget>
   <action name="actionQuit">
@@ -583,7 +589,7 @@
     <bool>true</bool>
    </property>
    <property name="text">
-    <string>&amp;Clear Settings after Reset</string>
+    <string>&amp;Clear after Reset</string>
    </property>
   </action>
   <action name="actionSerial">
@@ -596,6 +602,22 @@
     <string>&amp;About GF2 GUI</string>
    </property>
   </action>
+  <action name="actionLoad">
+   <property name="text">
+    <string>&amp;Load Settings</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+O</string>
+   </property>
+  </action>
+  <action name="actionSave">
+   <property name="text">
+    <string>&amp;Save Settings</string>
+   </property>
+   <property name="shortcut">
+    <string>Ctrl+S</string>
+   </property>
+  </action>
  </widget>
  <layoutdefault spacing="6" margin="11"/>
  <resources>
diff --git a/src/serial.cpp b/src/serial.cpp
index 29267eb..e1513d7 100644
--- a/src/serial.cpp
+++ b/src/serial.cpp
@@ -1,4 +1,4 @@
-/* GF2 GUI - Version 1.0 for Debian Linux
+/* GF2 GUI - Version 2.0 for Debian Linux
    Copyright (c) 2018 Samuel Lourenço
 
    This program is free software: you can redistribute it and/or modify it
@@ -27,13 +27,9 @@ Serial::Serial(QWidget *parent) :
     QDialog(parent),
     ui(new Ui::Serial)
 {
-    QProcess sh;
     ui->setupUi(this);
-    sh.setProcessChannelMode(QProcess::MergedChannels);
-    sh.start("sh", QStringList() << "-c" << "gf2-list");
-    sh.waitForFinished();
-    ui->textBrowserList->append(sh.readAll());
-    sh.close();
+    list();
+    ui->lineEditSerial->setValidator(new QRegExpValidator(QRegExp("[A-Za-z\\d-]{1,12}"), this));
 }
 
 Serial::~Serial()
@@ -41,24 +37,30 @@ Serial::~Serial()
     delete ui;
 }
 
-QString Serial::getSerial()
+QString Serial::serialLineEditText() const
 {
-    QString serialstr = ui->lineEditSerial->text().simplified();
-    serialstr.remove(" ");
-    serialstr.remove("&");
-    serialstr.remove("|");
-    serialstr.remove("(");
-    serialstr.remove(")");
-    return serialstr;
+    return ui->lineEditSerial->text();
+}
+
+void Serial::setSerialLineEditText(const QString &serialstr)
+{
+    ui->lineEditSerial->setText(serialstr);
 }
 
 void Serial::on_pushButtonRefresh_clicked()
 {
-    QProcess sh;
     ui->textBrowserList->clear();
+    list();
+}
+
+void Serial::list()
+{
+    QProcess sh;
     sh.setProcessChannelMode(QProcess::MergedChannels);
     sh.start("sh", QStringList() << "-c" << "gf2-list");
     sh.waitForFinished();
-    ui->textBrowserList->append(sh.readAll());
+    QString result = sh.readAll();
+    result.chop(1);
+    ui->textBrowserList->append(result);
     sh.close();
 }
diff --git a/src/serial.h b/src/serial.h
index 4d036e5..26974a6 100644
--- a/src/serial.h
+++ b/src/serial.h
@@ -1,5 +1,5 @@
-/* GF2 GUI - Version 1.0 for Debian Linux
-   Copyright (c) 2018 Samuel Lourenço
+/* GF2 GUI - Version 2.0 for Debian Linux
+   Copyright (c) 2018-2019 Samuel Lourenço
 
    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the Free
@@ -35,13 +35,15 @@ class Serial : public QDialog
 public:
     explicit Serial(QWidget *parent = 0);
     ~Serial();
-    QString getSerial();
+    QString serialLineEditText() const;
+    void setSerialLineEditText(const QString &serialstr);
 
 private slots:
     void on_pushButtonRefresh_clicked();
 
 private:
     Ui::Serial *ui;
+    void list();
 };
 
 #endif // SERIAL_H
diff --git a/src/serial.ui b/src/serial.ui
index 0d4c603..411c8cb 100644
--- a/src/serial.ui
+++ b/src/serial.ui
@@ -103,6 +103,9 @@
      <height>31</height>
     </rect>
    </property>
+   <property name="clearButtonEnabled">
+    <bool>true</bool>
+   </property>
   </widget>
   <widget class="QLabel" name="labelNote">
    <property name="geometry">