diff --git a/sources/diagram.cpp b/sources/diagram.cpp
index .. 100644
--- a/sources/diagram.cpp
+++ b/sources/diagram.cpp
@@ -42,6 +42,8 @@
 int Diagram::yGrid  = 10;
 int Diagram::xKeyGrid = 10;
 int Diagram::yKeyGrid = 10;
+int Diagram::xKeyGridFine = 1;
+int Diagram::yKeyGridFine = 1;
 const qreal Diagram::margin = 5.0;
 
 // static variable to keep track of present background color of the diagram.
@@ -285,7 +287,8 @@
 	QSettings settings;
 	int xKeyGrid = settings.value("DiagramEditor_xKeyGrid_sb", Diagram::xKeyGrid).toInt();
 	int yKeyGrid = settings.value("DiagramEditor_yKeyGrid_sb", Diagram::yKeyGrid).toInt();
-
+    int xKeyGridFine = settings.value("DiagramEditor_xKeyGridFine_sb", Diagram::xKeyGridFine).toInt();
+    int yKeyGridFine = settings.value("DiagramEditor_yKeyGridFine_sb", Diagram::yKeyGridFine).toInt();
 	event->setAccepted(false);
 	
 	if (m_event_interface) {
@@ -342,7 +345,46 @@
 					return;
 				}
 			}
-			else if(event->modifiers() == Qt::ControlModifier)
+            else if(event->modifiers() == Qt::AltModifier)
+
+                        {
+                            switch(event->key())
+                            {
+                                case Qt::Key_Left:
+                                    for (Element *item : dc.m_elements)
+                                    {
+                                        left_position = item->sceneBoundingRect().x();
+                                        if(left_position <= 5)
+                                            return;
+                                    }
+                                    movement = QPointF(-xKeyGridFine, 0.0);
+                                    break;
+                                case Qt::Key_Right:
+                                    movement = QPointF(+xKeyGridFine, 0.0);
+                                    break;
+                                case Qt::Key_Up:
+                                    for(Element *item : dc.m_elements)
+                                    {
+                                        top_position = item->sceneBoundingRect().y();
+                                        if(top_position <= 5)
+                                            return;
+                                    }
+                                    movement = QPointF(0.0, -yKeyGridFine);
+                                    break;
+                                case Qt::Key_Down:
+                                    movement = QPointF(0.0, +yKeyGridFine);
+                                    break;
+                            }
+
+                            if (!movement.isNull() && !focusItem())
+                            {
+                                m_elements_mover.beginMovement(this);
+                                m_elements_mover.continueMovement(movement);
+                                event->accept();
+                                return;
+                            }
+                        }
+            else if(event->modifiers() == Qt::ControlModifier)
 			{
 				//Adjust the alignment of a texts group
 				if(selectedItems().size() == 1 && selectedItems().first()->type() == QGraphicsItemGroup::Type)
diff --git a/sources/diagram.h b/sources/diagram.h
index .. 100644
--- a/sources/diagram.h
+++ b/sources/diagram.h
@@ -80,6 +80,10 @@
 		static int xKeyGrid;
 		/// Key grid y step size
 		static int yKeyGrid;
+        /// Key grid fine x step size
+        static int xKeyGridFine;
+        /// Key grid fine y step size
+        static int yKeyGridFine;
 		/// margin around the diagram
 		static const qreal margin;
 		/// background color of diagram
diff --git a/sources/ui/configpage/generalconfigurationpage.cpp b/sources/ui/configpage/generalconfigurationpage.cpp
index .. 100644
--- a/sources/ui/configpage/generalconfigurationpage.cpp
+++ b/sources/ui/configpage/generalconfigurationpage.cpp
@@ -39,7 +39,9 @@
 	ui->DiagramEditor_yGrid_sb->setValue(settings.value("DiagramEditor_yGrid_sb", 10).toInt());
 	ui->DiagramEditor_xKeyGrid_sb->setValue(settings.value("DiagramEditor_xKeyGrid_sb", 10).toInt());
 	ui->DiagramEditor_yKeyGrid_sb->setValue(settings.value("DiagramEditor_yKeyGrid_sb", 10).toInt());
-	ui->m_use_system_color_cb->setChecked(settings.value("usesystemcolors", "true").toBool());
+    ui->DiagramEditor_xKeyGridFine_sb->setValue(settings.value("DiagramEditor_xKeyGridFine_sb", 1).toInt());
+    ui->DiagramEditor_yKeyGridFine_sb->setValue(settings.value("DiagramEditor_yKeyGridFine_sb", 1).toInt());
+    ui->m_use_system_color_cb->setChecked(settings.value("usesystemcolors", "true").toBool());
 	bool tabbed = settings.value("diagrameditor/viewmode", "tabbed") == "tabbed";
 	if(tabbed)
 		ui->m_use_tab_mode_rb->setChecked(true);
@@ -145,7 +147,9 @@
 	settings.setValue("DiagramEditor_yGrid_sb", ui->DiagramEditor_yGrid_sb->value());
 	settings.setValue("DiagramEditor_xKeyGrid_sb", ui->DiagramEditor_xKeyGrid_sb->value());
 	settings.setValue("DiagramEditor_yKeyGrid_sb", ui->DiagramEditor_yKeyGrid_sb->value());
-	
+    settings.setValue("DiagramEditor_xKeyGridFine_sb", ui->DiagramEditor_xKeyGridFine_sb->value());
+    settings.setValue("DiagramEditor_yKeyGridFine_sb", ui->DiagramEditor_yKeyGridFine_sb->value());
+
 	QString path = settings.value("elements-collections/common-collection-path").toString();
 	if (ui->m_common_elmt_path_cb->currentIndex() == 1)
 	{
diff --git a/sources/ui/configpage/generalconfigurationpage.ui b/sources/ui/configpage/generalconfigurationpage.ui
index .. 100644
--- a/sources/ui/configpage/generalconfigurationpage.ui
+++ b/sources/ui/configpage/generalconfigurationpage.ui
@@ -464,15 +464,15 @@
        </item>
       </layout>
      </widget>
-     <widget class="QWidget" name="Grid">
+     <widget class="QWidget" name="GrilleClavier">
       <attribute name="title">
-       <string>Grille</string>
+       <string>Grille + Clavier</string>
       </attribute>
       <widget class="QLabel" name="Label_Diagram_xGrid">
        <property name="geometry">
         <rect>
-         <x>20</x>
-         <y>10</y>
+         <x>90</x>
+         <y>50</y>
          <width>191</width>
          <height>30</height>
         </rect>
@@ -484,8 +484,8 @@
       <widget class="QLabel" name="Label_Diagram_yGrid">
        <property name="geometry">
         <rect>
-         <x>20</x>
-         <y>50</y>
+         <x>90</x>
+         <y>90</y>
          <width>191</width>
          <height>30</height>
         </rect>
@@ -497,8 +497,8 @@
       <widget class="QSpinBox" name="DiagramEditor_xGrid_sb">
        <property name="geometry">
         <rect>
-         <x>350</x>
-         <y>10</y>
+         <x>540</x>
+         <y>50</y>
          <width>55</width>
          <height>30</height>
         </rect>
@@ -519,8 +519,8 @@
       <widget class="QSpinBox" name="DiagramEditor_yGrid_sb">
        <property name="geometry">
         <rect>
-         <x>350</x>
-         <y>50</y>
+         <x>540</x>
+         <y>90</y>
          <width>55</width>
          <height>30</height>
         </rect>
@@ -538,21 +538,21 @@
       <widget class="QLabel" name="Label_Diagram_Key_xGrid">
        <property name="geometry">
         <rect>
-         <x>20</x>
-         <y>180</y>
-         <width>321</width>
+         <x>90</x>
+         <y>280</y>
+         <width>431</width>
          <height>30</height>
         </rect>
        </property>
        <property name="text">
-        <string>DiagramEditor Key Left/Right  xGrid</string>
+        <string>DiagramEditor touche      gauche / droite  xGrid</string>
        </property>
       </widget>
       <widget class="QSpinBox" name="DiagramEditor_xKeyGrid_sb">
        <property name="geometry">
         <rect>
-         <x>350</x>
-         <y>180</y>
+         <x>540</x>
+         <y>280</y>
          <width>55</width>
          <height>30</height>
         </rect>
@@ -573,21 +573,21 @@
       <widget class="QLabel" name="Label_Diagram_Key_yGrid">
        <property name="geometry">
         <rect>
-         <x>20</x>
-         <y>220</y>
-         <width>321</width>
+         <x>90</x>
+         <y>320</y>
+         <width>431</width>
          <height>30</height>
         </rect>
        </property>
        <property name="text">
-        <string>DiagramEditor Key Up/Down  yGrid</string>
+        <string>DiagramEditor touche   en haute / en bas  yGrid</string>
        </property>
       </widget>
       <widget class="QSpinBox" name="DiagramEditor_yKeyGrid_sb">
        <property name="geometry">
         <rect>
-         <x>350</x>
-         <y>220</y>
+         <x>540</x>
+         <y>320</y>
          <width>55</width>
          <height>30</height>
         </rect>
@@ -605,6 +605,128 @@
         <number>10</number>
        </property>
       </widget>
+      <widget class="QLabel" name="Label_Grid">
+       <property name="geometry">
+        <rect>
+         <x>20</x>
+         <y>20</y>
+         <width>121</width>
+         <height>30</height>
+        </rect>
+       </property>
+       <property name="text">
+        <string>Grille : 1 - 30</string>
+       </property>
+      </widget>
+      <widget class="QLabel" name="Label_Keys">
+       <property name="geometry">
+        <rect>
+         <x>20</x>
+         <y>240</y>
+         <width>281</width>
+         <height>30</height>
+        </rect>
+       </property>
+       <property name="text">
+        <string>Déplacement au clavier : 1 - 30</string>
+       </property>
+      </widget>
+      <widget class="QLabel" name="Label_Keys_ALT">
+       <property name="geometry">
+        <rect>
+         <x>20</x>
+         <y>360</y>
+         <width>421</width>
+         <height>30</height>
+        </rect>
+       </property>
+       <property name="text">
+        <string>Déplacement au clavier avec ALT touche : 1 - 10</string>
+       </property>
+      </widget>
+      <widget class="QLabel" name="Label_Diagram_Key_xGrid_ALT">
+       <property name="geometry">
+        <rect>
+         <x>90</x>
+         <y>400</y>
+         <width>431</width>
+         <height>30</height>
+        </rect>
+       </property>
+       <property name="text">
+        <string>DiagramEditor touche      gauche / droite  xGrid</string>
+       </property>
+      </widget>
+      <widget class="QLabel" name="Label_Diagram_Key_yGrid_ALT">
+       <property name="geometry">
+        <rect>
+         <x>90</x>
+         <y>440</y>
+         <width>431</width>
+         <height>30</height>
+        </rect>
+       </property>
+       <property name="text">
+        <string>DiagramEditor touche   en haute / en bas  yGrid</string>
+       </property>
+      </widget>
+      <widget class="QSpinBox" name="DiagramEditor_xKeyGridFine_sb">
+       <property name="geometry">
+        <rect>
+         <x>540</x>
+         <y>400</y>
+         <width>55</width>
+         <height>30</height>
+        </rect>
+       </property>
+       <property name="minimum">
+        <number>1</number>
+       </property>
+       <property name="maximum">
+        <number>10</number>
+       </property>
+       <property name="singleStep">
+        <number>1</number>
+       </property>
+       <property name="value">
+        <number>1</number>
+       </property>
+      </widget>
+      <widget class="QSpinBox" name="DiagramEditor_yKeyGridFine_sb">
+       <property name="geometry">
+        <rect>
+         <x>540</x>
+         <y>440</y>
+         <width>55</width>
+         <height>30</height>
+        </rect>
+       </property>
+       <property name="minimum">
+        <number>1</number>
+       </property>
+       <property name="maximum">
+        <number>10</number>
+       </property>
+       <property name="singleStep">
+        <number>1</number>
+       </property>
+       <property name="value">
+        <number>1</number>
+       </property>
+      </widget>
+      <widget class="QLabel" name="Label_Grid_Tip">
+       <property name="geometry">
+        <rect>
+         <x>20</x>
+         <y>130</y>
+         <width>481</width>
+         <height>30</height>
+        </rect>
+       </property>
+       <property name="text">
+        <string>Appuyez sur la grille d'icônes pour les modifications.</string>
+       </property>
+      </widget>
      </widget>
     </widget>
    </item>