The AUTO feature of my DLS does not seem to work. I was tweaking the level and phase settings when I decided to change it from ON to AUTO. When I did that I no longer had any bass. I increased the SW gain from my receiver and also turned the sub level up and down on the DLS but it still would not kick in when set to AUTO. Is it possible that the cheap cable that came with my Sony SA-WM20 that I am using is the culprit?