46 | EnglishMenu system Function of the KDC-X790Other than Standby modeB.M.S. Frequency OffsetSetting the central frequency, boosted by B.M.S.Display Setting"AMP FREQ : Normal" Boost with the normal central frequency."AMP FREQ : Low" Drop the normal central frequency 20%.Function of the KDC-X790When LX AMP unit connectingAMP ControlYou can control the LX AMP connected to theunit.1 Select AMP Control modePush the Control knob towards [FM] or [AM].Select the "AMS Control" display.2 Enter AMP Control modePress the Control knob for at least 1 second.3 Select the AMP Control item for adjustmentPush the Control knob towards [FM] or [AM].• For the details on the AMP Control item, see theInstruction manual attached to the LX AMP.4 Adjust the AMP Control itemPush the Control knob towards [4] or[¢].5 Exit AMP Control modePress the [MENU] button.• You cannot use the LX AMP operation during standbymode.Function of the KDC-MP732In Audio file sourceSupreme SettingWhen AAC, MP3 or WMA files encoded at a lowbit rate (less than 96kbps (fs=32k, 44.1k, 48kHz))are played, this function restores their highfrequency region to approach the sound qualityof equivalents of these files encoded at a high bitrate. Processing is optimized for the compressionformat used (AAC, MP3, or WMA), and adjustmentis made for the bit rate used.Display Setting"Supreme : ON" Plays sound using the Supreme function."Supreme : OFF" Plays the original sound stored in the audio file.• The sound effect may be imperceptible dependingon the relationship between the audio file format andsetting.Function of the KDC-X790Other than Standby modeB.M.S. (Bass Management System)Adjust the bass boost level of the externalamplifier using the main unit.Display Setting"AMP Bass : Flat" Bass boost level is flat."AMP Bass : +6" Bass boost level is low (+6dB)."AMP Bass : +12" Bass boost level is mid (+12dB)."AMP Bass : +18" Bass boost level is high (+18dB).• Refer to the catalog or instruction manual for poweramplifiers that can be controlled from this unit.• For amplifiers, there are the models you can set fromFlat to +18 dB, and the models you can set from Flatto +12 dB.When an amplifier that can only be set to +12 isconnected to the unit, "AMP Bass : +18" will not workcorrectly even if it is selected.