Brian: I don't have a Harmony, I have an
Acoustic Research ARR1540 which I can train
from any remote. This allows me to control
up to 10 X-10 devices.
You might want to check out the forum site :
http://www.avsforum.com/avs- vb/forumdisplay.php?f=93 if you haven't
found it yet. They have a lot of good info
on your 880 and you can search for the
answer you need. That forum has a lot of
good information on various remotes.