You are going to use the remote for 3 systems?? or 3 devices?? Are you going to have a RP-1 or RP-6 on any of these systems?? or system??

As a do it yourself'r you will need the software, IR learner and cables to program it, total time for 3 devices couold be as quick as an hour or two, the seperate systems could take a couple days depending on whats in each system

I just did a 2 room system for a client and he and his wife now fight over the remote, he wants to watch news in the office but she wants to listen to music in the living room, she wants to remote to adjust volume, he wants the remote so he can change channels....then they asked if we could duplicate the remote from the theater so either remote could control any room at any time, its possible but told them it would be less to add a 3rd remote for the living room than reprogram two systems as 1 system and redo most of the programming for the 2 they have

new remote was ordered today