diff --git a/deploy/HyperCon.jar.REMOVED.git-id b/deploy/HyperCon.jar.REMOVED.git-id
index d20b95cb..43f8e851 100644
--- a/deploy/HyperCon.jar.REMOVED.git-id
+++ b/deploy/HyperCon.jar.REMOVED.git-id
@@ -1 +1 @@
-6f2aab422e3d1b03080de92c3e3aea9b270a3e9b
\ No newline at end of file
+56543287f8f9c84993d0578339da66f81efe6bdb
\ No newline at end of file
diff --git a/src/config-tool/ConfigTool/src/org/hyperion/hypercon/LedString.java b/src/config-tool/ConfigTool/src/org/hyperion/hypercon/LedString.java
index 7c343e06..1c96616d 100644
--- a/src/config-tool/ConfigTool/src/org/hyperion/hypercon/LedString.java
+++ b/src/config-tool/ConfigTool/src/org/hyperion/hypercon/LedString.java
@@ -21,6 +21,7 @@ public class LedString {
 
 	/** THe configuration of the 'physical' led frame */
 	public LedFrameConstruction mLedFrameConfig = new LedFrameConstruction();
+	
 	/** The configuration of the image processing */
 	public ImageProcessConfig mProcessConfig = new ImageProcessConfig();
 	
diff --git a/src/config-tool/ConfigTool/src/org/hyperion/hypercon/gui/ConfigPanel.java b/src/config-tool/ConfigTool/src/org/hyperion/hypercon/gui/ConfigPanel.java
index 6794e368..a47073fc 100644
--- a/src/config-tool/ConfigTool/src/org/hyperion/hypercon/gui/ConfigPanel.java
+++ b/src/config-tool/ConfigTool/src/org/hyperion/hypercon/gui/ConfigPanel.java
@@ -121,7 +121,7 @@ public class ConfigPanel extends JPanel {
 			mSpecificationPanel = new JPanel();
 			mSpecificationPanel.setLayout(new BoxLayout(mSpecificationPanel, BoxLayout.Y_AXIS));
 			
-			mConstructionPanel = new LedFramePanel(ledString.mLedFrameConfig);
+			mConstructionPanel = new LedFramePanel(ledString.mLedFrameConfig, ledString.mDeviceConfig);
 			mConstructionPanel.setBorder(BorderFactory.createTitledBorder("Construction"));
 			mSpecificationPanel.add(mConstructionPanel);
 
diff --git a/src/config-tool/ConfigTool/src/org/hyperion/hypercon/gui/LedFramePanel.java b/src/config-tool/ConfigTool/src/org/hyperion/hypercon/gui/LedFramePanel.java
index 53079df7..fd0dcb33 100644
--- a/src/config-tool/ConfigTool/src/org/hyperion/hypercon/gui/LedFramePanel.java
+++ b/src/config-tool/ConfigTool/src/org/hyperion/hypercon/gui/LedFramePanel.java
@@ -12,12 +12,14 @@ import javax.swing.SpinnerNumberModel;
 import javax.swing.event.ChangeEvent;
 import javax.swing.event.ChangeListener;
 
+import org.hyperion.hypercon.spec.DeviceConfig;
 import org.hyperion.hypercon.spec.DeviceType;
 import org.hyperion.hypercon.spec.LedFrameConstruction;
 
 public class LedFramePanel extends JPanel {
 	
 	private final LedFrameConstruction mLedFrameSpec;
+	private final DeviceConfig mDeviceConfig;
 	
 	private JLabel mTypeLabel;
 	private JComboBox<DeviceType> mTypeCombo;
@@ -41,10 +43,11 @@ public class LedFramePanel extends JPanel {
 	private JLabel mOffsetLabel;
 	private JSpinner mOffsetSpinner;
 	
-	public LedFramePanel(LedFrameConstruction ledFrameSpec) {
+	public LedFramePanel(LedFrameConstruction ledFrameSpec, DeviceConfig deviceConfig) {
 		super();
 		
 		mLedFrameSpec = ledFrameSpec;
+		mDeviceConfig = deviceConfig;
 		
 		initialise();
 	}
@@ -151,6 +154,10 @@ public class LedFramePanel extends JPanel {
 	}
 	
 	void updateLedConstruction() {
+		mDeviceConfig.mType = (DeviceType) mTypeCombo.getSelectedItem();
+		mDeviceConfig.setChanged();
+		mDeviceConfig.notifyObservers();
+		
 		mLedFrameSpec.topLeftCorner  = (Boolean)mTopCornerCombo.getSelectedItem();
 		mLedFrameSpec.topRightCorner = (Boolean)mTopCornerCombo.getSelectedItem();
 		mLedFrameSpec.bottomLeftCorner  = (Boolean)mBottomCornerCombo.getSelectedItem();
diff --git a/src/config-tool/ConfigTool/src/org/hyperion/hypercon/spec/DeviceConfig.java b/src/config-tool/ConfigTool/src/org/hyperion/hypercon/spec/DeviceConfig.java
index 9c693328..970d1913 100644
--- a/src/config-tool/ConfigTool/src/org/hyperion/hypercon/spec/DeviceConfig.java
+++ b/src/config-tool/ConfigTool/src/org/hyperion/hypercon/spec/DeviceConfig.java
@@ -1,20 +1,22 @@
 package org.hyperion.hypercon.spec;
 
+import java.util.Observable;
+
 /**
  * The device specific configuration
  */
-public class DeviceConfig {
+public class DeviceConfig extends Observable {
 
 	/** The name of the device */
-	String mName     = "MyPi";
+	public String mName     = "MyPi";
 	/** The type specification of the device */
-	DeviceType mType = DeviceType.ws2801;
+	public DeviceType mType = DeviceType.ws2801;
 	/** The device 'file' name */
-	String mOutput   = "/dev/spidev0.0";
+	public String mOutput   = "/dev/spidev0.0";
 	/** The baudrate of the device */
-	int mBaudrate    = 1000000;
+	public int mBaudrate    = 1000000;
 	/** Flag indicating if the red and blue should be reversed */
-	boolean mBgrOutput = false;
+	public boolean mBgrOutput = false;
 	
 	/**
 	 * Creates the JSON string of the configuration as used in the Hyperion daemon configfile
@@ -47,4 +49,8 @@ public class DeviceConfig {
 		return strBuf.toString();
 	}
 
+	@Override
+	public void setChanged() {
+		super.setChanged();
+	}
 }