87Return to the Top pageAudio Setting UpControlling equalizer manually1 Touch [Tone] in the Equalizer screen.2 Set each item as follows.FREQAdjusts the center frequency for each range.Setting values are as follows.Bass: 40Hz/50Hz/60Hz/70Hz/80Hz/100Hz/120Hz/150Hz (Default is “100Hz.”)Middle: 500Hz/1kHz/1.5kHz/2kHz (Default is“1kHz.”)Treble: 10kHz/12.5kHz/15kHz/17.5kHz (Defaultis “12.5kHz.”)LEVELAdjusts the level of each range.Each setting value is within -8dB and 8dB anddefault is “0dB.”Q FactorAdjust Q value for bass and middle.Setting values are as follows.Bass: 1/1.25/1.5/2 (Default is “1.”)Middle: 1/2 (Default is “1.”)Bass DC EXTTurns Bass DC EXT on or off. Default is “OFF.”If you select “ON”, the bass center frequency isextended to the low register by approximately20%.[Flat]Tone level becomes 0 (flat).Subwoofer LevelAdjusts the subwoofer volume. This setting isnot available when subwoofer is set to “None”.See Speaker setup (P.81).Zone ControlYou can select different sources for bothfront and rear positions in the vehicle.1 Touch [Zone Control].Zone Control screen appears.2 Touch [Dual Zone].3 Set each source as follows.[3] (Front Source, Rear Source)Select the audio source for each.[∞], [5] (Rear VOL.)Adjusts the rear channel volume.[Single Zone]Touch to turn off the dual zone function.Continued