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1. I setup Plex for the Harmony remote and to be "always on".
2. I setup my Logitech Harmony One remote for Plex. I confirmed that the Harmony remote buttons were acting like an Apple Remote by hitting the buttons on the remote. In the hardware tab of the Remote Buddy's Preferences, I saw the Apple Remote ID appear. So this means the Harmony remote is set up for the Plex app. In other words, the harmony remote is acting like an Apple remote.
3. I followed the instructions here:
http://www.iospirit.com/blog/article/131/Remote-Buddy-and-Boxee-Plex-and-XBMC/
I can't get this to work. Help!