diff --git a/mainwindow.cpp b/mainwindow.cpp
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -40,6 +40,14 @@
 Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)
 #endif
 
+struct Range
+{
+    double rmin;
+    double rmax;
+};
+
+Q_DECLARE_METATYPE(Range);
+
 MainWindow::MainWindow(QWidget *parent) :
     QMainWindow(parent),
     ui(new Ui::MainWindow),
@@ -156,6 +164,31 @@ MainWindow::MainWindow(QWidget *parent) 
     ui->plot->showGrid(ui->actionGrid->isChecked());
     ui->plot->showMinorGrid(ui->actionMinorGrid->isChecked());
 
+    // init scale range preset list
+    for (int nbits = 8; nbits <= 24; nbits++) // signed binary formats
+    {
+        int rmax = pow(2, nbits-1)-1;
+        int rmin = -rmax-1;
+        Range r = {double(rmin),  double(rmax)};
+        ui->cbRangePresets->addItem(
+            QString().sprintf("Signed %d bits %d to +%d", nbits, rmin, rmax),
+            QVariant::fromValue(r));
+    }
+    for (int nbits = 8; nbits <= 24; nbits++) // unsigned binary formats
+    {
+        int rmax = pow(2, nbits)-1;
+        ui->cbRangePresets->addItem(
+            QString().sprintf("Unsigned %d bits %d to +%d", nbits, 0, rmax),
+            QVariant::fromValue(Range{0, double(rmax)}));
+    }
+    ui->cbRangePresets->addItem("-1 to +1", QVariant::fromValue(Range{-1, +1}));
+    ui->cbRangePresets->addItem("0 to +1", QVariant::fromValue(Range{0, +1}));
+    ui->cbRangePresets->addItem("-100 to +100", QVariant::fromValue(Range{-100, +100}));
+    ui->cbRangePresets->addItem("0 to +100", QVariant::fromValue(Range{0, +100}));
+
+    QObject::connect(ui->cbRangePresets, SIGNAL(activated(int)),
+                     this, SLOT(onRangeSelected()));
+
     // init number format
     if (numberFormatButtons.checkedId() >= 0)
     {
@@ -469,6 +502,14 @@ void MainWindow::onYScaleChanged()
     ui->plot->setAxis(false,  ui->spYmin->value(), ui->spYmax->value());
 }
 
+void MainWindow::onRangeSelected()
+{
+    Range r = ui->cbRangePresets->currentData().value<Range>();
+    ui->spYmin->setValue(r.rmin);
+    ui->spYmax->setValue(r.rmax);
+    ui->cbAutoScale->setChecked(false);
+}
+
 void MainWindow::onNumberFormatButtonToggled(int numberFormatId, bool checked)
 {
     if (checked) selectNumberFormat((NumberFormat) numberFormatId);
diff --git a/mainwindow.h b/mainwindow.h
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -119,6 +119,7 @@ private slots:
     void onNumOfSamplesChanged(int value);
     void onAutoScaleChecked(bool checked);
     void onYScaleChanged();
+    void onRangeSelected();
 
     void onNumOfChannelsChanged(int value);
     void onNumberFormatButtonToggled(int numberFormatId, bool checked);
diff --git a/mainwindow.ui b/mainwindow.ui
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -311,22 +311,10 @@
           <property name="fieldGrowthPolicy">
            <enum>QFormLayout::AllNonFixedFieldsGrow</enum>
           </property>
-          <item row="3" column="1">
-           <widget class="QDoubleSpinBox" name="spYmin">
-            <property name="enabled">
-             <bool>false</bool>
-            </property>
-            <property name="maximumSize">
-             <size>
-              <width>75</width>
-              <height>16777215</height>
-             </size>
-            </property>
-            <property name="toolTip">
-             <string>lower limit of Y axis</string>
-            </property>
-            <property name="value">
-             <double>0.000000000000000</double>
+          <item row="0" column="0">
+           <widget class="QLabel" name="label_3">
+            <property name="text">
+             <string>Number Of Samples:</string>
             </property>
            </widget>
           </item>
@@ -349,13 +337,6 @@
             </property>
            </widget>
           </item>
-          <item row="0" column="0">
-           <widget class="QLabel" name="label_3">
-            <property name="text">
-             <string>Number Of Samples:</string>
-            </property>
-           </widget>
-          </item>
           <item row="1" column="0">
            <widget class="QCheckBox" name="cbAutoScale">
             <property name="text">
@@ -366,16 +347,6 @@
             </property>
            </widget>
           </item>
-          <item row="3" column="0">
-           <widget class="QLabel" name="lYmin">
-            <property name="enabled">
-             <bool>false</bool>
-            </property>
-            <property name="text">
-             <string>Ymin</string>
-            </property>
-           </widget>
-          </item>
           <item row="2" column="0">
            <widget class="QLabel" name="lYmax">
             <property name="enabled">
@@ -408,6 +379,45 @@
             </property>
            </widget>
           </item>
+          <item row="3" column="0">
+           <widget class="QLabel" name="lYmin">
+            <property name="enabled">
+             <bool>false</bool>
+            </property>
+            <property name="text">
+             <string>Ymin</string>
+            </property>
+           </widget>
+          </item>
+          <item row="3" column="1">
+           <widget class="QDoubleSpinBox" name="spYmin">
+            <property name="enabled">
+             <bool>false</bool>
+            </property>
+            <property name="maximumSize">
+             <size>
+              <width>75</width>
+              <height>16777215</height>
+             </size>
+            </property>
+            <property name="toolTip">
+             <string>lower limit of Y axis</string>
+            </property>
+            <property name="value">
+             <double>0.000000000000000</double>
+            </property>
+           </widget>
+          </item>
+          <item row="4" column="1">
+           <widget class="QComboBox" name="cbRangePresets"/>
+          </item>
+          <item row="4" column="0">
+           <widget class="QLabel" name="label">
+            <property name="text">
+             <string>Select Range Preset:</string>
+            </property>
+           </widget>
+          </item>
          </layout>
         </item>
        </layout>
@@ -451,7 +461,7 @@
      <x>0</x>
      <y>0</y>
      <width>653</width>
-     <height>23</height>
+     <height>27</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuHelp">