I have a strange problem. Whenever I turn my Onkyo TX-NR 646 receiver off or on (with either the factory remote or my universal remote) the Flirc sends a 'Enter' command to the Shield. The receiver has discrete on and off as well as on/off toggle and all 3 of these different codes send the 'Enter' command. And none of these codes have the same device, subdevice, or OBC codes as the one I chose for 'Enter' for the Shield.
I've turned off CEC in both the receiver and Shield. If I remove the Flirc from the Shield this stops.
I thought I'd get your input before I randomly start trying things.
Edit
I tried relearning the 'Enter' key and nothing changed. And I've found that a bunch of the receiver remote buttons send commands to the Shield.