Final (?) version of Test Schedule attached.
I entered a few final notes (in blue) about my attempts to trigger BL3500 using 5v into the MCL socket. I also made up a lead to test the PC input of the BL Active, only because I had never tried that before. The PC input worked fine using pins 2, 4, and 7 for Left, Right and Gnd respectively. I could select using ‘PC’ on Beo4 and it worked as a local source, but as soon as I disconnected the ML it stopped working – so there is no simple BL Active standalone option.
I have finished testing setups for now, but am now on the lookout for a BL3500 PCB36 with SW 2.1 or later.