The Quickstart guide for the Beam is a super simple one page document showing how to connect your Beam and get started. You can set up a Beam with a TV in less than 5 minutes, and the quickstart guide is a great place to start.
Here is the Beam Quickstart Guide.Sonos Beam quickstart Guide
Other Helpful Links
If the Quickstart Guide does not have enough information, here is the full user manual/product guide from Sonos.
Here is the Beam Warranty Information.