Yes, that is my understanding as well. In any case, I tried the first suggestion (Mains to bookshelves, Remotes to Sub via speaker wires). Activating the switch to enable Main+Remotes to play simultaneously, resulted in no sound. Mains output sound when enabled, but Remotes have to be disabled...
I've been running into conflicting advise with this, though a majority have suggested that I simply connect the Technics SUZ960 to the Polk PSW110 subwoofer via speaker wires. The Technics has a "Main" and "Remote" set of terminals. Mains are already outputed to pair of bookshelves. Remotes...