The Athearn communication announced the three manuals for the Tsuami is available. The news was about 8 hours old. Sorry you had already known all about this but there might be someone that had not seen it.
CZ
Athearn Announces the availability of the manuals for their Tsunami Sound units.
http://www.athearn.com/Dcc/
Related threads:
http://cs.trains.com/trccs/forums/p/152872/1691043.aspx#1691043
http://cs.trains.com/trccs/forums/p/153603/1697802.aspx
EDIT: - Major changes to make it the lead in the thread.
Athearn released their manuals today, 6/24/2009 on the Athearn News that you can download their manuals for the Soundtraxx.