diff --git a/YADrone/src/de/yadrone/base/command/CommandManager.java b/YADrone/src/de/yadrone/base/command/CommandManager.java
index b485b93..b982765 100644
--- a/YADrone/src/de/yadrone/base/command/CommandManager.java
+++ b/YADrone/src/de/yadrone/base/command/CommandManager.java
@@ -45,6 +45,8 @@ public class CommandManager extends AbstractManager
 	private Timer timer;
 
 	private static int seq = 1;
+	
+	private boolean debug = false;
 
 	public CommandManager(InetAddress inetaddr, IExceptionListener excListener) {
 		super(inetaddr);
@@ -892,7 +894,7 @@ public void run()
 	}
 
 	private synchronized void sendCommand(ATCommand c) throws InterruptedException, IOException {
-		if (!(c instanceof KeepAliveCommand)) {
+		if (!(c instanceof KeepAliveCommand) && debug) {
 			 System.out.println("CommandManager: send " + c.getCommandString(seq));
 		}
 		
@@ -946,5 +948,9 @@ private void waitForControlAck(boolean b) throws InterruptedException {
 			}
 		}
 	}
+	
+	public void debugEnable(boolean val) {
+		debug = val;
+	}
 
 }