Has anybody figured out what the four headers on the breakout card are, yet?
1 - Input from Paula/external RCA jacks to mixer (if it works, as evidenced by the previous video it only seemed to work on one channel)
2 - Mixed output to speakers
3 -

?
4 -

?
That, to me, is a "minor scandal", that after three years of development they missed something as obvious as documenting what the connectors are.
