I am sorry to say this as I do try to be as helpful as possible, but you have now posted over 175 times, almost always asking questions that would be answered completely if you joined as a silver member and downloaded the manuals. The MCL Handbook would be very useful in setting up the systems that you have mentioned as would the Product Configuration Guide.
In answer to the questions above:
1. No, the volume in a passive link room will relate to the volume in the master room though the master room need not be on.
2. What you need is a MCL2A which provides the IR eye for the second room.
Please consider upgrading as you will find a wealth of information in the manuals on site and you will help Lee to keep this site running. Join as a Gold member and you may even win something!