Have not been able to find the answer to these questions about the 990 elsewhere.

What sort of control and status is available on the 232 port? Is there a published 232 protocol?

Is there a stereo downmix of DD and DTS available on the Zone2 output and rec outputs?

Does it output a digital/pcm audio stream on the spdif outputs from an analog source?

Are there rack ears available?

Can the zone2 volume be mapped to the main/zone1 volume, to mirror? I have a bar off of my cinema that would be nice to have the volume in zone 2 track zone 1.

Are both sets of outputs (Balanced and unbalanced)avialable simultaneously? Can they be configured independantly (center vs phantom center for example)? Can they be volume controlled independantly?

Thanks, Pete