private void Manager_ReceiverAppeared(DecawaveManager manager, Receiver receiver)
 {
     // Announce the physical anchor positions for the receiver
     foreach (KeyValuePair <int, Vector3> anchorPosition in anchorPositions)
     {
         receiver.SetAnchorPosition(anchorPosition.Key, anchorPosition.Value);
     }
     // Set performance related preferences
     receiver.CalculationLevel = CalculationLevel.Low;
     receiver.UpdateLevel      = UpdateLevel.OnUpdate;
 }
 // Use this for initialization
 void Start()
 {
     // Initialize decawave system and attach event on receiver discovery
     manager = DecawaveManager.Instance;
     manager.ReceiverAppeared += Manager_ReceiverAppeared;
 }