Lexicon DC-1 User Manual

Digital ControllerBase, THX® andDolby Digital®VersionsOwner's ManualDC-1

3DC-1 Digital ControllerIntroductionto the DC-1The DC-1 also has the ability to create an acoustic environment which is notpresent on the original r

Introductionto the DC-1Lexicon4Designed specifically to handle multichannel audio, AC-3 takes advantageof a psychoacoustic phenomenon known as auditor

5DC-1 Digital ControllerIntroductionto the DC-1Using theDocumentationBecause the DC-1 is designed to be customized for your system and yourlistening s

Introductionto the DC-1Lexicon6System OverviewAlthough the DC-1 performs very complex signal processing, a great dealof effort has gone into making t

7DC-1 Digital ControllerIntroductionto the DC-1DC-1 Block Diagram

9DC-1 Digital ControllerInstallation andCalibration2Controls andIndicatorsThe Front Panel1. ON/OFFON/OFF alternately puts theDC-1 into and out of stan

Lexicon10Installation andCalibrationThe Rear PanelCAUTION: Never make or break any connections to the DC-1 with therear-panel power ON. Make sure any

11DC-1 Digital ControllerInstallation andCalibration6. BALANCE Front*/Rear*and Left*/Right*Display, then adjust the Front/Rear and Left/Right level ba

Lexicon12Installation andCalibrationRemote ControlACCY FunctionsPress and hold ACCY, then press DONE to activate a "You Are Here" mode whic

13DC-1 Digital ControllerInstallation andCalibrationConnectionLocationConsiderationsThe DC-1 is a highly specialized signal processing computer and re

Lexicon Part #070-11787 Rev 1Printed in the United States of AmericaSave these instructions for later use.Follow all instructions and warnings marked

Lexicon14Installation andCalibrationWiring ConsiderationsThere is controversy over the audible effects of different types of intercon-nects. Good engi

15DC-1 Digital ControllerInstallation andCalibrationConnecting theDC-1 as a preampInput sources can each be connected directly to the DC-1 inputs. A t

Lexicon16Installation andCalibrationThe DC-1 has five composite video inputs, three of which also support S-Video. Connection to an S-Video input will

17DC-1 Digital ControllerInstallation andCalibrationDigital Input StatusDetectionWhen using a 48kHz digital connection from a source (DSS, DAT), thefo

Lexicon18Installation andCalibrationRECORD/ZONE 2OperationThe DC-1 is designed to be the control center of any system. As such, thereare separate outp

19DC-1 Digital ControllerInstallation andCalibrationAs protection against feedback, the TAPE and VCR1 inputs are normallyblocked from being used as so

Lexicon20Installation andCalibrationDigital audio inputs can be selected for the Record/Zone 2 outputsunder the following conditions:• The digital inp

21DC-1 Digital ControllerInstallation andCalibrationDisplay AdjustmentSystemConfigurationAlthough the DC-1 memory is cleared before it leaves the fact

22LexiconInstallation andCalibrationVideo Input Selection and theOn-Screen DisplayWhen using the Video Monitoroutput with the On-Screen Dis-play

23DC-1 Digital ControllerInstallation andCalibrationInput ConfigurationSystem SetupThe DC-1 has eight analog stereo audio inputs, each of which can be

DanskVigtig information om sikkerhedGem denne vejledning til senere brug.Følg alle anvisninger og advarsler på apparatet.Apparatet skal altid tilsl

24LexiconInstallation andCalibrationThe input level meters are displayed whenyou select the GAIN parameter for anactive input which has been selected

25DC-1 Digital ControllerInstallation andCalibrationThe DC-1 has the ability to load an effect whenever an input is chosen. Forexample, if you primari

26LexiconInstallation andCalibrationThe four DC-1 digital audio inputs include two coaxial (RCA) and twooptical connectors (TOSLINK™). For maximum con

27DC-1 Digital ControllerInstallation andCalibrationSetting the SpeakerConfigurationThe high pass filter attenuates low fre-quencies at 12dB per octav

28LexiconInstallation andCalibrationThis menu sets the system for your particular side speaker configuration.Systems with side speakers should be desi

29DC-1 Digital ControllerInstallation andCalibrationSelect INTERNAL NOISE TEST or EXTERNAL NOISE TEST from theOutput Levels menu. The INTERNAL NOISE T

30LexiconInstallation andCalibrationIn the absence of an SPL meter, it is possible to set the output level by ear.Use the internal noise generator in

31DC-1 Digital ControllerInstallation andCalibrationMute LevelPower On VolumeZone 2 VolumeSelecting LIMITER ADJUST in the Sub Peak Limiter menu i

32LexiconInstallation andCalibrationThe Listener Position menu is used for setting the surround and centerdelays and calibrating the Panorama effect.N

33DC-1 Digital ControllerInstallation andCalibrationSet CENTER DELAY to -1.5ms.Set CENTER DELAY to 2ms.Once you have entered the distance to the neare

Dieses Dreieck auf Ihrem Apparat bedeutet daß wichtige Betriebs-und Wartungsanweisungen in der mitgelieferten Dokumentation zufinden sind.Dieses Drei

34LexiconInstallation andCalibrationSPEAKER ANGLE is the angle betweenthe main speakers as seen from the listen-ing position — here it is about 60°. L

35DC-1 Digital ControllerInstallation andCalibrationMove your head from side to side to findthe position where the noise is full left,and the right ea

36LexiconInstallation andCalibrationCustomizationAfter you have calibrated and customized the DC-1, there are two addi-tional steps recommended to saf

37DC-1 Digital ControllerInstallation andCalibrationBass Tone Control Frequency ResponseEqualization(THX and DolbyDigital versions)The THX and Dolby D

38LexiconInstallation andCalibrationThe Tilt parameter can be thought of as a straight line that pivots on afulcrum at 1kHz to correct the overall ton

39DC-1 Digital ControllerDC-1Effects3DC-1 EffectsCustomizing EffectsDC-1 EffectsWhen EFFECT ADJUST is selected from the Main menu, the on-screendispla

40LexiconDC-1 EffectsThe RESTORE PARAMETERS function allows you restore the currentlyselected Effect to its factory preset state.When you select this

41DC-1 Digital ControllerDC-1EffectsMusic Surround(THX and DolbyDigital versions)Music Surround, available in the THX and Dolby Digital versions of t

42LexiconDC-1 EffectsThis Effect provides Dolby Pro Logic Surround decoding designed for anyDolby Surround encoded movies, music, or television progra

43DC-1 Digital ControllerDC-1EffectsParameter Initial Value RangeAUTO AZIMUTH ON ON/OFFSURROUND MODE DECORR STEREO, DECORRRE-EQUALIZER ON ON/OFFSUBWOO

Digital ControllerBase, THX® andDolby Digital®VersionsOwner's ManualDC-1

44LexiconDC-1 EffectsAvailable only in the THX and Dolby Digital versions of the DC-1, this filmsound mode reproduces musical material with maximum se

45DC-1 Digital ControllerDC-1EffectsREAR DELAY OFFSET is an additional delay added to the rear channels.This delay increases the apparent size of the

46LexiconDC-1 EffectsThe TV Matrix effect provides surround effects for television viewing ofmonaural, stereo, and stereo synthesized programs.Paramet

47DC-1 Digital ControllerDC-1EffectsSIDE ASSIGN determines whether the information fed to the side speakersis from the front, side or rear outputs. Av

48LexiconDC-1 EffectsParameter Initial Value RangeROLLOFF 3.3kHz 453Hz to 20.0kHzACADEMY FILTER ON ON/OFFMAIN LEVEL 8 0-16SUBWOOFER LVL +0dB -5 to +5d

49DC-1 Digital ControllerDC-1EffectsINPUT BALANCE allows you to compensate for the occasional source withaudible channel imbalance. When selected, scr

50LexiconDC-1 EffectsREAR ROLLOFF sets the frequency above which the rear-channel sound isattenuated. The appropriate setting will vary with the progr

51DC-1 Digital ControllerDC-1EffectsNightclub ParametersHALL SIZE allows you to select room sizes of lengths ranging from 4-17meters.LIVENESS adjusts

52LexiconDC-1 EffectsHALL SIZE allows you to select room sizes of lengths ranging from 20-30meters (in increments of 4 meters).LIVENESS adjusts the am

53DC-1 Digital ControllerDC-1EffectsThe Church Effect uses a reverberation algorithm, which differs fromambience in that it does not simulate the refl

ContentsDC-1 Digital Controller1 Introduction to the DC-1 ... 1Introduction...

54LexiconDC-1 EffectsCENTER LEVEL adjusts the output level from the center speaker.SUBWOOFER LVL boosts or cuts the subwoofer output level. Although t

55DC-1 Digital ControllerDC-1EffectsIf there is a strong monaural speaking voice present at the same time, thiscomponent of the input to the Cathedral

56LexiconDC-1 EffectsSURROUND LEVEL controls the volume level of the side and rear speakers.Although we have selected a default value, the correct set

57DC-1 Digital ControllerDC-1EffectsPartyThe Party effect allows unprocessed stereo signals to be played over allspeakers for background music or for

58LexiconDC-1 EffectsThe following five effects are available only in the Dolby Digital version ofthe DC-1. Each of these effects provides an AC-3 Sta

59DC-1 Digital ControllerDC-1EffectsAC-3 STATUS displays the current status of incoming AC-3 data. Thedisplayed items are not user adjustable.COMPRESS

60LexiconDC-1 EffectsDolby Digital(Dolby Digital version)Available only in the Dolby Digital version of the DC-1, the Dolby Digitaleffect decodes Dolb

61DC-1 Digital ControllerDC-1EffectsParameter Initial Value RangeAC-3 STATUS (display only — not user adjustable)COMPRESSION Off Off, On, AUTORE-EQUA

62LexiconDC-1 Effects5.1 Logic 7(Dolby Digital version)5.1 Logic 7 combines all the features of Dolby Digital AC-3 with enhance-ments by Lexicon and L

63DC-1 Digital ControllerDC-1EffectsSURROUND LEVEL controls the volume level of the side and rear speakers.Although we have selected a default value,

LexiconContents, cont'd.Setting Listener Position... 32Surround Delay • Time Alignment (DolbyDigital versi

64LexiconDC-1 EffectsParameter Initial Value RangeAC-3 STATUS (display only — not user adjustable)LFE MIX LEVEL +0.0dB -10dB to 0dBSURROUND MIX +2dB

65DC-1 Digital ControllerTroubleshootingTroubleshooting4TroubleshootingIf you encounter a problem, please review the items in the followingchecklist.

66LexiconTroubleshootingProblem Possible Cause and SolutionHum Finding and eliminating audio hum in a complex installation can be avery frustrating ta

67DC-1 Digital ControllerTroubleshootingRoutine MaintenanceOther than occasional replacement of the batteries in the remote controlunits, the DC-1 req

69DC-1 Digital ControllerSpecifications5SpecificationsSpecificationsInputs: Audio: 8 stereo (RCA) pairsMinimum Input Level: 500 mVrms for maximum outp

Installation WorksheetModel/Serial #________/____________Installed by________________________________Phone____________________Date______________Inputs

Lexicon Part #070-11787 Rev 1 Printed in the United States of AmericaLexicon, Inc.3 Oak Park,Bedford MA 01730-1441 USATelephone: 781-280-0300Fax: 781-

1DC-1 Digital ControllerIntroductionto the DC-1Introduction1Introductionto the DC-1More than just a surround processor, the DC-1 is a digital control

Introductionto the DC-1Lexicon2The key to our perception of the acoustic space we inhabit lies in the lateralsound field – the sound which moves from