I, too, had some problems getting the Harmony to read my RCA remote. However, through various iterations of the firmware, EasyZapper was able to help me eventually. Before that time, I used the Characterize, Digitize, and Use Similar Device Characterization commands available as Wizards on the website.

Once the Harmony knows the basic language of any remote, it is pretty good at figuring out the individual commands.

Harmony is in the midst of hiring and corporate growth, and are bringing at least one more person to help with the Support Desk. ... Mike