I see on RTI's Web site that there are video sync and voltage sensors available as accessories. What do they do? I don't see any indication in the software that it's possible to program the remote to conditionally send codes based on feedback from a sensor, which seems like it'd be the obvious use (e.g., your TV only has a toggle code for Power, so only send it as part of the "system on" macro if the TV is currently turned off).

Maybe the sensors are IR or RF receivers/senders themselves, and can be programmed to conditionally control the equipment they're hooked up to?