Originally Posted by levain
Maybe, I'm misunderstanding, but do you not get this screen?
Yes I do. And if you pick the "Turn off" or just let it turn off via the timeout it will still run the battery down. The 476c had a configuration option in the system menu that let you answer the External Power lost question with something like, Always Stay On, Always Turn Off or Ask me. Can't remember the exact wording as it's been to many years since I owned one