English | 11System QYou can recall the best sound setting preset fordifferent types of music.1 Select the source to setPress the [SRC] button.2 Select the Sound typePress the [Q] button.Each time the button is pressed the soundsetting switches.Sound setting DisplayNatural "Natural"User memory "USER"Rock "ROCK"Pops "POPS"Easy "EASY"Top 40 "TOP 40"Jazz "JAZZ"• User memory: The values set on the 'Audio Control'(page 11).• Each setting value is changed with the 'SpeakerSetting' (page 12).First, select the speaker type with the Speaker setting.Audio Control1 Select the source for adjustmentPress the [SRC] button.2 Enter Audio Control modePress the [AUD] button for at least 1 second."Audio Control" is displayed.3 Select the Audio item for adjustmentPress the [FM] or [AM] button.Each time the button is pressed the items thatcan be adjusted switch as shown below.4 Adjust the Audio itemPress the [4] or [¢] button.Adjustment Item Display RangeBass Center Frequency*² "Bass FRQ" 60/70/80/100 or 150 HzBass level "Bass" –8 — +8Bass Q Factor*² "Bass Q" 1.00/1.25/1.50/2.00Bass Extend*² "Bass EXT" ON/OFFMiddle Center Frequency*² "MID FRQ" 0.5/1.0/1.5/2.0 kHzMiddle level "MID" –8 — +8Middle Q Factor*² "Middle Q" 1.0/2.0Treble Center Frequency*² "TRE FRQ" 10.0/12.5/15.0/17.5 kHzTreble level "TRE" –8 — +8Balance "Balance" Left 15 — Right 15Fader "Fader" Rear 15 — Front 15Sub woofer level*¹ "SW Level" –15 — +15Front High Pass Filter*² "HPF Front" Through/40/60/80/100/120/150/180/220 HzRear High Pass Filter*² "HPF Rear" Through/40/60/80/100/120/150/180/220 HzFront/Rear High PassFilter*³"HPF" Through/100/125/170HzSub woofer Low PassFilter*¹"LPF SW" 50/80/120/Through HzSub woofer phase*² "SW Phase" Normal (0°)/Reverse (180°)Volume offset "VolumeOffset"–8 — ±0Loudness "Loudness" ON/OFF• According to the Bass Q Factor setting value, thefrequencies that can be set in Bass Center Frequencychange as shown below.Bass Q Factor Bass Center Frequency1.00/1.25/1.50 60/70/80/1002.00 60/70/80/150• When the Bass Extend is set to ON, low frequencyresponse is extended by 20%.• Volume offset: Each source’s volume can be set as adifference from the basic volume.• Loudness: Compensating for low and high tonesduring low volume.• *¹ You can control this item when 'Switching preout'(page 27) is set to "SWPRE Sub-W". (KDC-MP6025/625 only)• *² Function of the KDC-X679• *³ Function of the KDC-MP6025/MP6255 Exit Audio Control modePress the [AUD] button.