//called by clicking on "Read" button - reads Fuser log
// only for b4 level
public void doReadLog()
{
rechargingText.enabled = false;
readButton.gameObject.SetActive(false);
// move controller to center of screen
RectTransform controllerRect = controller.GetComponent <RectTransform>();
controllerRect.anchorMin = new Vector2(0.5f, 0.5f);
controllerRect.anchorMax = new Vector2(0.5f, 0.5f);
controllerRect.anchoredPosition = new Vector2(0, 0);
StartCoroutine(readLog());
}