Switch the Bass Extend mode on/off.Display and setting:"Bass EXT" : ON / OFF (When the bass extend mode is set toon, low frequency response is extended by 20%.)4.Bass ExtendAdjust the Bass quality factor.Display and setting:"Bass Q" : 1.00 / 1.25 / 1.50 / 2.003.Bass Quality FactorAdjust the bass level.Display and setting:"Bass" : - 9 – 0 – + 92.Bass LevelAdjust the centre frequency of the bass.Display and setting:"Bass FRQ" : 60 / 70 / 80 / 100 (Only when the bass qualityfactor is set to 1.00, 1.25 or 1.50) / 150 (Onlywhen the bass quality factor is set to 2.00) Hz.1.Bass Centre FrequencyAdjust various parameters of sound quality.Hold down the AUD button for one second or more to enterthe control mode.Selecting modePress either the FM or AM button.Each time the button is pressed, the adjustment mode willchange.Please refer to the following for the contents of theadjustment modes.(Items 1-13 can be adjusted in thisAdjustment mode.)Source tone memoryEach source (DVD, TV(AUX), FM, AM, and external disc) has itsown memory in which to store the bass, middle, treble and N-Flevel settings.The settings made for a particular source are then recalledautomatically whenever you use that source (e.g., FM modeuses the tone settings made for FM, AM for AM, etc.).Adjust each modePress the 4/¢ button.Please refer to the following for the adjusting values.Press the AUD button to end the control mode.• Determining the parameters in the audio control setting willclear all the adjustments made in the System Q and they arereplaced with the values made in the audio control setting.• The following parameters can be set when the System Qfunction on the menu settings is ON.Bass centre frequency, bass quality factor, bass extend, middlecentre frequency, middle quality factor, and treble centrefrequency.NOTE43NOTE21— 19 —Audio Control Setting: