Kenwood DDX-512 Car DVD Player "good equalizer settings" Questions

...equalizer is there a master code? my subs are way too loud and u cannot hear none of the other speakers because of this Go to set up memory and at the top theres two options. Unlock and lock. Tap ...

...equalizer just reconnected my iav d310 in my 2004 g 35 coupe using metra 71 7550 harness. it worked before now i cant adjust my speaker settings. help please!!!! make sure everything is connected.. ...