Ok Scott,

Where did you find the Off code?? This is 3 repeats of the Sony15:4:55 the System Off (universal off), 2 repeats of Sony12:16:47 receiver discrete off, 2 repeats of Sony12:1:47 the TV off, and 2 repeats of Sony12:2:47 the VCR off.

I don't claim to be an Sony expert but I have the STR-DE 825 and mine is about 3 years old and responds to the normal Sony receiver discrete on and off. It does come with what I think is a 2-way remote that I know is very hard to learn from.

I would try the Sony receiver discrete On command found in the discrete section again.

Maybe Google/Deja search for the STR-DE685 and see if it is something different. Other than the very latest equipment, Sony is very predictable in it's use of IR commands with the exception of certain sound field commands.

-Jon