English|7Audio Adjustments⁄•‡“User”: The customized Bass, Middle, and Treble levels areeffective.•You can set Bass, Middle, and Treble for each source.About SupremeTechnology to extrapolate and supplement with proprietaryalgorithm, the high-frequency range that is cut off whenencoding at low bit rate (less than 128Kbps, Samplingfrequency is 44.1kHz).Supplementing is optimized by compression format (MP3or WMA) and processed according to bit rate.The effect is negligible with music that is encoded at highbit rate, variable bit rate or has minimal high frequencyrange.•About Dual Zone SystemMain source and sub source (Auxiliary input) output Frontchannel and Rear channel separately.-When “2Zone” is set to “ON”, the main source sound andAUX input sound are output to the front speakers and rearspeakers separately.-Set up the channel of sub source by “2Zone”.-Select Main source by [SRC] button.-Adjust the volume of Front channel by Control knob.-Adjust the volume of Rear channel by “2Zone RearVolume”.-The Audio Control has no effect on sub source.-When Bluetooth audio source is selected, set “2Zone F/RSelect” to “Rear”. “2Zone” cannot be turned “ON” when thisis set to “Front”. While “2Zone” is turned “ON”, “2Zone F/RSelect” function is disabled.1Select the source to adjustPress the [SRC] button.For how to select source item, refer to source selection> (page 4).2Enter Audio Control modePress the [AUDIO] button.3Select the Audio item to adjustTurn the Control knob to select the audio itemfor adjustment and then press the [ENTER]button.Press the [] button to return to the previousitem.4Adjust the Audio itemTurn the Control knob.5Determine the setting valuePress the [ENTER] button.The previous item is displayed.6Exit Audio Control modePress the [] button for at least 1 second.Audio ControlYou can adjust following Audio Control items;DisplayAudio itemRange“SubWoofer”Subwoofer outputOFF/ON“Bass Boost”Bass BoostLevel1/Level2/OFF“System Q”Preset Equalizercurve“Rock”/“Pops”/“Easy”/“Top40”/“Jazz”/ ”Game”/“Natural”/“User”‡“Bass Adjust”“Bass Center FRQ”Bass CenterFrequency*40/50/60/70/80/100/120/150 (Hz)“Bass Level”Bass level–8 — +8 (dB)“Bass Q Factor”Bass Q Factor*1.00/1.25/1.50/2.00“Bass EXT”Bass Extend*OFF/ON“Middle Adjust”“Middle CenterFRQ”Middle CenterFrequency*0.5/1.0/1.5/2.0 (kHz)“Middle Level”Middle level–8 — +8 (dB)“Middle Q Factor”Middle Q Factor*1.00/2.00“Treble Adjust”“Treble Center FRQ” Treble CenterFrequency*10.0/12.5/15.0/17.5 kHz“Treble Level”Treble level–8 — +8 (dB)“Balance”BalanceLeft 15 — Right 15“Fader”FaderRear 15 — Front 15“2Zone Rear Volume”Rear volume duringDual zone0 — 35“SubWoofer Level”Subwoofer level–15 — +15 (dB)“Detailed Settings”“HPF Front”Front High PassFilterThrough/40*/60*/80/100/120/150/180/220*(Hz)“HPF Rear”Rear High Pass Filter Through/40*/60*/80/100/120/150/180/220*(Hz)“LPF SubWoofer”Low Pass Filter50*/60/80/100*/120/Through (Hz)“Subwoofer Phase” Subwoofer PhaseReverse (180°)/Normal (0°)“2Zone”Dual Zone SystemON/OFF“2Zone F/R Select” Dual Zone outputchannelRear/Front“Supreme”Supreme settingON/OFF“Audio Preset”Audio Presetmemoy†Recall/Memory“Volume OffsetADJ”Volume offset–8 — ±0 (dB)(AUX: -8 — +8)*Function of KDC-X494.†Refer to