30 | EnglishMenu systemFunction of the KDC-MP632UIn Standby modeSwitching preoutAlternating the preout between the rear andsubwoofer. (With the subwoofer the soundoutputs without being effected by fader control.)Display Setting"SWPRE R" Rear preout."SWPRE SW" Subwoofer preout.Function of the KDC-X590/KDC-MP632UIn Standby modeBuilt-in Amp SettingControlling the built-in amplifier.Turning OFF this control enhances the preoutquality.Display Setting"AMP ON" The built-in amplifier activates."AMP OFF" The built-in amplifier deactivates.Function of the KDC-X590/KDC-MP632UOther than Standby mode/When the Dual Zone System is ONDual Zone System SettingSetting the Front channel and Rear channelsound in the Dual Zone System.Display Setting"ZONE2 R" Sub source (Auxiliary input source) is to be rearchannel."ZONE2 F" Sub source (Auxiliary input source) is to be frontchannel.Function of the KDC-X590Other than Standby modeB.M.S. (Bass Management System)Adjust the bass boost level of the externalamplifier using the main unit.Display Setting"BMS FLT" Bass boost level is flat."BMS +6" Bass boost level is low (+6dB)."BMS +12" Bass boost level is mid (+12dB)."BMS +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, "BMS +18" will not workcorrectly even if it is selected.Function of the KDC-X590Other than Standby modeB.M.S. Frequency OffsetSetting the central frequency, boosted by B.M.S.Display Setting"BMSF NML" Boost with the normal central frequency."BMSF LOW" Drop the normal central frequency 20%.