
My amplifier needs to be turned on and set to optical input 2.My Samsung HDTV needs to be turned on and set to the PC (VGA/RGB) input.So, for example, if I want to play a game on my Xbox 360 all of the following needs to occur: In essence, Activities are basically little macros that you can set to do a series of discrete steps involving several pieces of equiment. watching a DVD, playing a game console, listening to a CD, etc.). If that's all it did the Harmony would be worth it, but it goes far beyond this remote emulation by offering what they call "Activities." Activities are just what they sound like: specific activities that you might use your A/V equipment for (e.g. Naturally enough, these supported devices include both Macs and Apple TVs. You can then customize your Harmony's buttons in any way you please to simulate any button your your OEM remote.
MY HARMONY FOR MAC SOFTWARE
Using a wizard-based software interface, you enter in the model numbers of all your IR remote controlled equipment and it will download all the remote codes from its online database of 100,000+ entries. The Harmony line of remotes from Logitech allows you to set up your universal remote with your Mac, by connecting the remote with USB.

I haven't seen that much about using the Harmony with Macs, so in the following review I'll go over setting up a Logitech Harmony with the included Mac software.

I recently obtained a Logitech Harmony universal IR remote control, and while the Harmony series is not that new, I thought it would be worth taking a look at here on TUAW.
