32Adjusting sound qualityBasic operationSwitching the bass enhancement (Tru Bass)You can switch the bass enhancement.• Note that the Tru Bass is adjusted only when the Circle Surround II (page 36) effectivenessis set to Low or Hi.Press .Touch on theINFORMATION screen.Touch .Touch or of Tru Bass.Touch .Setting LOUDNESSAudio can be modulated to correct for insufficient low and high sounds when listening at lowvolume.Press .Touch on theINFORMATION screen.Touch .Touch or ofLOUDNESS.• The pressed touch switch will becomebrighter.Touch .INFOSETTINGNEXTON OFFENTERINFOSETTINGNEXTON OFFENTER