Hi Bob, Is your caps key stuck? If you hit the search button on YFs navbar, you will find previous discussions on this topic. Here's a few to get started... https://www.yachtforums.com/threads/dockmate-yacht-controller-etc.32613/ https://www.yachtforums.com/threads/yacht-controllers.33538/#post-301698 https://www.yachtforums.com/threads/wireless-yacht-controller.38739/#post-355605