English 856789106 Adjusts the bass boost of the B.M.S poweramplifier (optional accessory).7 Sets the center frequency of bass boost youhave set for "AMP Bass".If you set the center frequency to "Low", itwill be dropped approximately 20% to 30%.8 Adjusts the subwoofer volume.9 Adjusts the volume of the present sourcebased on the difference level of originalvolume.p Returns to the original screen.⁄• If you have increased the volume first, then reduced thevolume using the "Vol. Offset", the sound generated ifyou suddenly switch to another source may be extremelyloud.• You may not set some models of power amp boost to"+18". See the catalog or instruction manual of poweramplifier.Equalizer ControlYou can set up the equalizer.1 Display Equalizer ControlTouch [Equalizer] in the Audio Control Menu(page 84).2 Display the Equalizer screen12341 Selects an equalizer curve type.You can select any of the followingequalizer curves.• "Natural"• "Rock"• "Pops"• "Easy"• "Top40"• "Jazz"2 Selects items to be adjusted for tone curvesetup.If turned "Off", only Level can be setup fortone curves.3 Displays the Tone curve setup screen. (page86)4 Returns to the original screen.