No, it doesn't need to stay on all the time. You can leave it on if you want, since it uses little power, or you can go into settings and select sleep. You can also use the remote to achieve this (hold the select button for 5 secs)
This site contains user submitted content, comments and opinions and is for informational purposes only.
Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site.