I JUS PUT IN THE PIONEER AVIC Z1 NAVIGATION SYSTEM IN MY TRUCK I BEEN PLAYING WITH THE SOUND SETTINGS AND I CANT SEEM TO FIND A BASIC BASS AND TREBLE SCREEN I HAVE 2 FOSGATE P2 12's AND A 1000 WATT FOSGATE AMP..... AND THE BASS WONT EVEN OUT WITH THE VOCALS OR THE OTHER WAY AROUND... SO IF ANYONE HAS THIS DECK AND HAS FOUND JUST A BASS AND TREBLE SETTING... LET ME KNOW THANX