Analog Buffer.

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Greetings. I've decided to take a step back from control Crosspoint's until I can understand how to make a system dumb and work to understand how it all works. I have a C2N-AMP-4x100, I have 4 test rooms, 3 sources and one volume slider or gauge if I need to. Based on room value at the time of volume presses I then feed that analog signal into the room volume of the amp. Those symbols consist of a toggle, analog ramp, and an OR for unmute purposes. I have analog join 1 for the slider, and 4 analog output feedbacks out of the amp I would like to feed that one slider.?

Is there anything I missed to control volume, or to make it better?
Is there a good way to take Room1-4 volume level Feedbacks into one slider assuming there is only one room volume controlled from my TSR-310 at a time?

Pretty much.? You can pass the output of the slider to the zone and pass the feedback from the zone to the slider.

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Am I correct in this thinking?

4 buffers one for each room Feedback, enable is driven by the value of the room/room selected digital signal that is selected. Then the input analog signal is the zone feedback from the amp, out of the buffer into say "Volume_Level" feeding the analog join of the slider/gauge.

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Then repeat the steps for zone 2-4 and have the same "Volume_Level" out into the slider?