The permission option only determines whether or not you get the download automatically. If the reciever sw is out of date, turning it off will download the sw. The officaly time is 15 minutes because the sw is spooled on a 15 minute rotation, that means software is constantly being sent out to software and your reciever is somewhere in that rotation. so it could possibly take up to 15 for it to start downloading. Sometimes there are multiple current versions of software because the sw has been partially released, if you don't have the version of sw you want, but you have a current version, it hasn't be released to you yet, because it hasn't been fully spooled, so all you can do is wait.