protected void Update()
{
airspeedLabel.Content = iAirspeed.GetValue().ToString();
headingLabel.Content = heading.GetValue().ToString("000");
altitudeLabel.Content = altitude.GetValue().ToString();
pauseButton.Content = paused.GetValue() ? "Paused" : "Pause";
pauseButton.IsEnabled = !paused.GetValue() && connected;
}