I just bought a B&K AVR307 used on eBay. The remote is a B&K System Controller AV7.1 and once I put batteries in it, all it says is "RESET".

I downloaded the Manual for the AVR307 receiver as well as the AV7.1 remote but it says nothing about this or how to fix it.

Does anyone know what this means or how to fix it and get the remote working .. B&K was a high end audio company, but it is out of business now from what I understand.