Tuning requires XML strings to designate the correct tune parameters. The PBDA spec identifies the schema for the tune XML For more information about PBDA, download the specification from http://go.microsoft.com/fwlink/?LinkId=132926. For XML tuning string samples, see "PART 1 – Tuning Schemas – Core Schemas".

If you suppress non-critical components of the Windows Media Center TV user interface (UI) using the suppressUI parameter to the Tune method, the Windows Media Center UI does not get notified that the current channel has changed, which may lead to a confusing situation for the end user.