I'm not sure if it is a bug or a deliberate feature, but holding down the play/pause button on the remote does not trigger the computer sleep mode as it does normally. This is a very convenient feature if you are across the room and would be great if it was functional in addition to the cog remote capability.

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(5 replies, posted in Features)

I think that offers the most flexibility while also allowing the remote to change the system volume. I find I want to change the system volume quite often as I only use the remote when far away and need it louder.