diff --git a/src/main/java/de/ctdo/bunti/model/BuntiDMXDevice.java b/src/main/java/de/ctdo/bunti/model/BuntiDMXDevice.java
index 12359f1..99c8859 100644
--- a/src/main/java/de/ctdo/bunti/model/BuntiDMXDevice.java
+++ b/src/main/java/de/ctdo/bunti/model/BuntiDMXDevice.java
@@ -14,7 +14,6 @@ public abstract class BuntiDMXDevice extends BuntiDevice {
 	public BuntiDMXDevice(int deviceId, int startAddress, String name) {
 		super(deviceId,name);
         this.startAddress = startAddress;
-
 	}
 		
 	public final long getLastSendOut() {
@@ -37,13 +36,16 @@ public abstract class BuntiDMXDevice extends BuntiDevice {
 	 * Set channel value by given channel name.
 	 * @param name The channel name to change the value.
 	 * @param value The channel value to set.
+     * @return True on success, otherwise false
 	 */
-	protected final void setChannelValueByName(String name, int value) {
+	protected final boolean setChannelValueByName(String name, int value) {
 		DMXChannel dx = dmxChannels.getChannelByName(name);
 		if(dx != null) {
 			dx.setValue(DMX.sanitizeDMXValue(value));
+            lastChangedNow();
+            return true;
 		}
-		lastChangedNow();
+		return false;
 	}
 	
 	/**
@@ -145,9 +147,4 @@ public abstract class BuntiDMXDevice extends BuntiDevice {
     public final boolean addChannel(DMXChannel channel){
         return dmxChannels.addChannel(channel);
     }
-	
-	@Override
-	public String toString() {
-		return "BuntiDMXDevice " + getDeviceId() + ", " + getDeviceName();
-	}
 }