Posted for "colyncase on earthlink" <colyncase@earthlink.net>:

 Are you sure that was a malfunction?
 Could it be that that the a/p kicked off because it sensed the trim was too
 far off?
 (perhaps unrelated to the trim down adjustment)

"""
 The Trutrak in my 360 had an un-commanded up episode on a trip just a few
 weeks
 ago.
"""