/// <summary>
        /// Set or Unset Fast's Icon function
        /// Call by an Event
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="f"></param>
        private void iconSpeed(object sender, ValuedFeedback f)
        {
            if (f.display)
            {
                SpeedOpacity = maxOpacity;

                if (f.value == 0)
                {
                    SpeedSource = "Icons/speed0.png";
                }
                else if (f.value == 1)
                {
                    SpeedSource = "Icons/speed1.png";
                }
                else if (f.value == 2)
                {
                    SpeedSource = "Icons/speed2.png";
                }
                else if (f.value == 3)
                {
                    SpeedSource = "Icons/speed3.png";
                }
                else
                {
                    SpeedSource = "Icons/speed4.png";
                }
            }
            else
            {
                SpeedOpacity = minOpacity;
                SpeedSource  = "Icons/speed_empty.png";
            }
            if (TrainingSideToolViewModel.Get().State == IRecordingState.Recording)
            {
                TrainingSideToolViewModel.Get().storingFeedbackThreadData.addTextFeedbackInQueue(StoringFeedbackThreadData.FeedbackToText(f, "speedEvent"));
            }
        }