Home

Lexicon DC-2 Speaker System User Manual

1. The DTS Film effect decodes DTS encoded soundtracks It uses five discrete full range channels and a sixth dedicated Low Frequency Effect LFE channel In this effect any rear speakers present are connected in parallel with the side speakers This is the basic DTS effect It does not include the enhancements by Lexicon or LucasFilm which are available with other AC 3 effects in the DC 2 Parameter VOCAL ENHANCE 0 0dB 3 0dB 6 0dB RE EQUALIZER ON OFF BASS ENHANCE ON OFF SIDE LEVEL OFF 30GB to 05dB REAR LEVEL OFF 30GB to 05dB LFE MIX LEVEL 20 00B to 0 0dB SUBWOOFER LVL OFF 30dB to 05dB CUSTOM Initial Value 52 DC 2 Digital Controller DTS Effects and Parameters This Effect provides THX 5 1 Cinema enhancements for film soundtracks recorded in the DTS format This processing compensates for the acoustical differences between large mixing theaters and the typically smaller home environment When SIDE and REAR speakers are selected in the SPEAKER CONFIG menu SURROUND EX is automatically set to ON for proper decoding of Surround EX soundtracks Parameter Initial Value Range SURROUND EX ON ON OFF RE EQUALIZER ON ON OFF LFE MIX LEVEL 0 0dB 20 00B to 0 0dB SUBWOOFER LVL 00dB OFF 30dB to 5dB CUSTOM BASS ENHANCE derives stereo bass to provide low frequencies that are noticeably less localizable and more spacious in the playback room Note that re
2. Electric Service Power Lines An outside antenna should be located away from power lines Logic 7 and Auto Azimuth are trademarks of Lexicon Inc Copyright 1999 Lexicon Inc All Rights Reserved U S Patent numbers 4 862 502 5 136 650 and 5 796 844 other patents pending on the DC 2 Lexicon Inc 3 Oak Park Bedford MA 01730 1441 USA Tel 781 280 0300 Fax 781 280 0490 e mail info lexicon com www lexicon com Lexicon Part 070 13227 Rev 1 Printed in the United States of America Dansk Vigtig information om sikkerhed Gem denne vejledning til senere brug F lg alle anvisninger og advarsler p apparatet Apparatet skal altid tilsluttes den korrekte sp nding Der henvises til brugsanvisningen der indeholder specifikationer for str mforsyning Der g res opm rksom p at ved varierende driftssp ndinger kan det blive n dvendigt at bruge andre lednings og eller stiktyper Apparatet m ikke monteres i et kabinet uden ventilation eller lige over andet udstyr der udvikler varme f eks forst rkere Den maksimale omgivelsestemperatur ved drift der st r opf rt i specifikationerne skal overholdes Der er ventilations bninger i kabinettet For at sikre apparatets drift og hindre overophedning m disse bninger ikke blokeres eller tild kkes Stik aldrig noget ind igennem ventilations bningerne og pas p aldrig at spilde nogen form for v ske p apparatet Udgangsstik fra audioforst rkere m aldr
3. 49 AC 3 Effects and Parameters Lexicon SURROUND MIX allows independent adjustment of the level of the sur round channels Many AC 3 encoded soundtracks sound better when down mixed to two channels with the surround level increased by approxi mately 2 3dB VOCAL ENHANCE boosts dialog in the center channel By targeting specific frequencies it can boost only dialog without raising the entire center channel level which would alter the output balance achieved during calibration 50 DTS Effects and Parameters DTS Effects are compatible with DTS Digital Surround input signals These effects along with the PCM Effects described in Chapter 3 and the AC 3 Effects described in Chapter 4 are included in the DTS version of the DC 2 Any DTS capable software and or source components should be labeled with a badge similar to the one on the DC 2 front panel AC 3 and DTS versions This Effect mixes DTS Digital 5 1 information for two channel playback These soundtracks can be recorded onto two channel formats or played back through left and right front speakers The mix is designed to play back with full surround when decoded through Logic 7 In mixing a film with very heavy use of the Low Frequency Effects Channel it may be desirable to lower LFE MIX LEVEL Parameter Initial Value Range CENTER MIX 16 0 30 SURROUND MIX CENTER DLY SAMPLES 5 to 5dB 127 to 127 5dB to 5dB MASTER LEVEL LFE
4. DONE saves the current changes and exits the menu 4 Shift When pushed in conjunction with other remote buttons activates a set of less used but convenient functions The Remote Control voze Digital Controller 03809 EFFECTS 09000 5 Record Zone 2 When pushed in conjunction with other remote buttons activates a set of Record Zone 2 control functions 6 Light Toggles the remote control backlight on and off Note after seven seconds the backlight is automatically turned off 7FXA and V These controls display then change the current effect The activated displays FP or OSD will show the effect name 8 VOL A and V These controls display then adjustthe current master vol ume level The activated dis plays FP or OSD will show the volume level and a visual guage When Mute is engaged these controls display then adjust the volume from the mute level When full mute is en gaged fMute these con trols increase or decrease the selected volume level with out disengaging full mute 9 Mute Engages Mute and reduces the volume by the amount selected inthe OUTPUT LEV ELS menu The red Mute LED on the front panel will light andthe activated displays FP or OSD will show MUTE ON Pressing again restores the volume to its pre Mute level turns off the front panel Mute LED and displays MUTE OFF on the active displays 10 Input Selection Individual buttons select from 8 input
5. Lexicon THX 5 1 This Effect provides THX 5 1 Cinema enhancements for film soundtracks Including Surround EX recorded in the Dolby Digital format This processing compensates for the acoustical differences between large mixing theaters and the typically smaller home environment When SIDE and REAR speakers are selected in the SPEAKER CONFIG menu SURROUND EX is automatically set to ON for proper decoding of Surround EX soundtracks Parameter Initial Value AC 3 STATUS display only not user adjustable SURROUND EX ON ON OFF COMPRESSION OFF AUTO ON OFF RE EQUALIZER ON ON OFF LFE MIX LEVEL 0 0dB 10 0dB to 0 0dB SUBWOOFER LVL 00dB OFF 30GB to 05dB CUSTOM AC 3 Effect AC 3 STATUS displays the current status of incoming AC 3 data The Parameters displayed items are not user adjustable BASS ENHANCE derives stereo bass to provide low frequencies that are noticeably less localizable and more spacious in the playback room Note that results will vary depending on room acoustics and the low frequency capacity of the surround speakers As side and or rear speakers are used for bass enhancement the effectiveness is improved with speakers capable of reproducing reproducing low frequencies LARGE Using speakers that are not capable of producing low frequencies 80Hz may cause damage to them CENTER DLY SAMPLES adjusts the time offset of the center channel The appropriate value is 0 unless
6. The DC 2 rounds off distance settings into discrete steps choose the closest step to the actual distance in these cases If a speaker distance is further than the DC 2 can accommodate set it to the maximum allowable distance This will vary depending on your intial entry for NEAREST SPKR A V Sync Delay compensates for the delay that occurs when a video processor such as a scan converter is used with the DC 2 Most of these processors alter the original audio video timing relationship by adding delay to the video signal as it is processed A V Sync Delay applies a corresponding delay to the audio signal to restore the original audio video timing relationship It can also be used to compensate for poorly mastered source material If your video material appears to be out of sync engage A V Sync Delay in the LISTENER POSITION menu With a video source running adjust the delay along its range with A and Y Note that it is best to use a non film source when setting A V Sync Delay as film dialog added in post production may have poor timing relation ships Panorama works by canceling the sound going from each speaker to the opposite ear Its effectiveness is highly dependent on the geometry of your front loudspeakers the room and your listening position The correct timing of the canceling signal varies with the relative angle between your main speakers Find a mono source such as an announcer on FM radio or a mono film and
7. have on the inputs and outputs of the DC 2 but feel free to evaluate different interconnects in your system Be conscious however of the mechanical stress from repeated insertion and overly tight connectors and the possibly corrosive nature of some contact enhancing fluids Note that the use of standard audio cables for video or digital audio applications may cause signal degradation and is not recommended For these connections please use only cables that are designed for the applica tion these have different impedance characteristics than cables designed for analog audio applications Consult your dealer for recommendations All cables should be kept as short as possible In general speaker cables should be kept short and low impedance wire Speaker Connections should be used throughout to assure efficient power transmission and avoid audible distortion Recommended wire lengths are given in the table below Although these examples can be used as a general guide your system manuals should provide detailed information specific to your components Wire Lengths Length AWG Size up to 12 feet 16 gauge up to 18 feet 14 gauge up to 29 feet 12 gauge up to 51 feet 10 gauge Before making any connections turn off ALL audio and video components Audio Video including individual power amplifiers Unplug any preamps and power Connections amps that don t have power switches The DC 2 is designed to function as the con
8. ngulo que aparece en su componente lo alerta sobre las instrucciones de operaci n y mantenimiento importantes que est n en los materiales de lectura que se incluyen Italiano Importanti norme di sicurezza Conservare le presenti norme per l utilizzo futuro Osservare tutte le istruzioni e le avvertenze apposte sull unit Utilizzare esclusivamente con la tensione di rete corretta Consultare le istruzioni operative fornite dal fabbricante per i dati riguardanti la tensione e l assorbimento di corrente Potrebbe essere necessario l uso di cavi di rete e o di spine diverse a seconda della tensione utilizzata Noninstallare l unit in uno scaffale privo di ventilazione oppure direttamente sopra una fonte di calore come ad esempio un amplificatore Non superare la temperatura ambientale massima di funzionamento riportata nei dati tecnici del prodotto Le fessure e le altre aperture nella scatola servono alla ventilazione Per un funzionamento affidabile e per evitare un eventuale surriscaldamento queste aperture non vanno ostruite o coperte in nessun modo Evitare in tutti icasidiinserire oggetti di qualsiasi genere attraverso le fessure di ventilazione Non versare mai del liquido di nessun tipo sull unit Evitare sempre di collegare le uscite dell amplificatore audio direttamente ai connettori dell unit Per prevenire il pericolo di folgorazione e di incendio non esporre l unit alla pioggia o ad un umidit eccessiva evitare
9. ration Emp chez tout liquide de se r pandre sur l appareil Ne connectez jamais d amplificateurs audio directement aux connecteurs de l appareil Pour emp cher les chocs lectriques etle danger d incendie vitez d exposer l appareil la pluie ou l humidit et ne le mettez pas en marche en un endroit o il serait expos aux claboussures d eau N essayez pas de faire fonctionner l appareil s il est tomb terre a t endommang expos un liquide ou si vous observez des diff rences nettes dans son fonctionnement indiquant la n cessit de r parations Cet appareil ne doit tre ouvert que par un personnel de service qualifi En enlevant les couvercles vous vous exposez des tensions lectriques dangereuses Ce triangle sur votre appareil vous avertit de la pr sence de tension dangereuse non isol e l int rieur du boitier une tension suffisante pour repr senter un danger d lectrocution Ce triangle sur sur votre appareil vous invite de suivre d importantes instructions d utilisation et d entretien dans la documentation livr e avec le produit Espa ol Instrucciones importantes de seguridad Guarde esta instrucciones para uso posterior Utilice siempre el voltaje correcto Dir jase a las instrucciones de operaci n del fabricante para obtener las especificaciones de potencia Est al tanto de que voltajes de operaci n distintos requieren el uso de cables y o enchufes distintos No
10. Bedarf nach Raparatur zu schlie en ist Dieser Apparat sollte nur von qualifizierten Fachleuten ge ffnet werden Das Abnehmen von Abdeckungen setzt Sie gef hrlichen Spannungen aus Dieses Dreieck auf Ihrem Apparat warnt Sie vor nicht isolierter gef hrlicher Spannung im Geh use stark genug um eine Ber hrungsgefahr darzustellen Dieses Dreieck auf Ihrem Apparat bedeutet daB wichtige Betriebs und Wartungsanweisungen in der mitgelieferten Dokumentation zu finden sind Francais Instructions de S ret Importantes Gardez ces instructions pour r ference future Observez toutes les instructions et tous les avertissements marqu s sur l appareil Branchez uniquements sur un r seau de tension indiqu e Consultez le manuel d instruction du fabriquant pour les sp cifications de courant N oubliez pas que diff rentes tensions peuvent n cessiter l utilisation de cables et ou de fiches de connexion diff rents N installez pas l appareil en un compartiment non a r ou directement au dessus d quipements g n rateurs de chaleur tels qu amplificateurs de courants etc Ne d passez pas la temp rature ambiante maximale de fonctionnement indiqu e dans les sp cifications du produit Des fentes et ouvertures sont pr vues dans le boitier pour l a ration Pour assurer le bon fonctionnement et pour pr venir l chauffement ces ouvertures ne doivent pas tre couvertes ou bloqu es N ins rez pas d objets dans les fentes d a
11. Frequency Response Treble Tone Control Frequency Response Tilt The Tilt parameter can be thought of as a straight line that pivots on a fulcrum at 1KHz to correct the overall tonal balance of source material The range is 3 0dB to 3 0dB referenced to the Treble level This control adjustable in 0 2dB increments is useful on many older recordings or when the desired tonal balance cannot be achieved at the listening position The Tilt control does not alter the tonal balance of the rear or side speakers Tilt Control Frequency Response Loudness A Loudness Contour parameter which boosts bass information provides more balanced reproduction at low volume listening conditions Once you have calibrated DC 2 output levels set the LOUDNESS parameter ON to provide the ideal amount of boost for any given volume setting This parameter does not affect the sound of the rear or side speakers Loudness vs DC 2 Volume control front left 12 DC 2 Digital Controller System Configuration Depending on the location of the DC 2 in your room you may need to adjust the contrast of the front panel display for optimum v
12. MIX LEVEL 20 0dB to 0 0dB SUBWOOFER LVL OFF 30dB to 05dB This Effect enhances playback of DTS music recordings or DTS film soundtracks with strong musical content This effect contains many of the features found in DTS LOGICT with settings that are more appropriate for music Parameter Initial Value RE EQUALIZER BASS ENHANCE REAR DLY OFFSET SIDE LEVEL REAR LEVEL LFE MIX LEVEL SUBWOOFER LVL CUSTOM OFF 30dB to 05dB 20 0dB to 0 0dB OFF 30dB to 05dB DTS 2 Channel DTS Music 51 DTS Effects and Parameters Lexicon DTS Logic 7 DTS Film DTS Logic 7 combines all the features of DTS Digital with enhancements by Lexicon and LucasFilm This effect uses Logic 7 matrix technology to enhance the steering between the side speakers and the rear speakers so sounds intended to come from behind the listener actually do come from behind This effect also includes the adaptive decorrelation and re equal izer features of DTS THX DTS Logic7 provides the ultimate in film reproduction It brings out all the increased excitement and spaciousness a 7 channel speaker system can produce Parameter VOCAL ENHANCE Initial Value 0 0d0B 3 0dB 6 0dB RE EQUALIZER ON OFF BASS ENHANCE ON OFF REAR DELAY OFFSET 0 20ms SIDE LEVEL REAR LEVEL LFE MIX LEVEL SUBWOOFER LVL CUSTOM OFF 300B to 05dB OFF 30GB to 05dB 20 0dB to 0 0dB OFF 300B to 05dB
13. a full range center speaker should select LARGE to direct center information to the center output with a full frequency re sponse Select SMALL for installations where the center speaker is smaller than the left and right front speakers This will automatically engage the Bass Split feature which takes the low frequency content from the center and distributes it to the left and right front speakers reducing the risk of damage to a small center speaker without loss of bass information When SMALL is highlighted press SELECT to display and adjust the crossover point for the low frequency redistribution Available crossover points are 40 80and 120Hz Press DONEtoreturnto theSpeaker Configuration menu This menu sets the system for your particular side speaker configuration Systems with side speakers should be designated as STANDARD LARGE orSMALL orDIPOLE LARGE orSMALL When STANDARD SMALL or DIPOLE SMALL is highlighted press SELECT to display and adjust the highpass filter for the side outputs Choices are 40 80 or 120Hz For any 5 1 channel inputs selecting SMALL routes the low frequency information to the subwoofer output Selecting NONE mutes the side outputs and directs all surround informa tion to the rear outputs The active selections are LARGE and SMALL Systems that utilize full range rear speakers should select LARGE to direct a full range signal to them SMALL should be selected when filtering is desired 40 80 and 120Hz ar
14. analog inputs can be assigned a different input gain assuring optimum performance regardless of the source For use with a calibration tone the Dolby reference point is indi cated by an enlarged tick mark on the Input Level meters The DC 2 GAIN function can be set to AUTOMATIC to monitor the analog input level and automatically optimizes the input gain If the signal level is too high input gain is automatically decreased to a point which does not cause clipping When the signal level remains low gt 12dB below clipping for 2 5 minutes the input gain is increased in 1dB steps to maximize dynamic range When MANUAL is selected the display shows the last auto level setting If the auto level feature has not been used the display shows the last manually entered level The auto level setting indicates the optimum input level value as determined by the unit The A and Y buttons increase or decrease the input gainin 1dB increments for the selected input over a range of 18dB to 12 dB The setting is displayed in dB along with horizontal bargraph meters on the on screen display to indicate incoming signal level Note that if a level is set manually then AUTOMATIC is engaged the level will not go above the last value entered manually Input Configuration SETUP MENU INPUT CONFIG INPUT CONFIG MENU V DISC Input Gain Analog Inputs Only The GAIN control is only available for analog inputs Whenever a digi tal input is sel
15. and Solutions eee 55 Routine Maintenance sees 57 Restoring Defaults seeren 57 Specifications Installation Worksheet The DC 2 can be thought of as four units in one At its heart is a reference quality 8 channel music and film digital audio computer capable of creating or recreating a limitless amount of listening environments This digital audio computer is mated to an 8 channel 24 bit Digital to Analog con verter that rivals the most exotic and costly stand alone devices To harness all of this digital audio power the DC 2 also includes a built in line level preamplifier with 8 analog audio inputs and 8 digital audio inputs for easy integration with multiple source components Since many of these source components are also capable of outputting high quality video signals the DC2 includes a high quality composite and S video switcher The DC 2 also includes provisions for adding a digital output and a second RS 232 port as well as three expansion ports for future enhancements The back panel includes a bare wire block terminal for trigger outputs for easy connection to associated equipment The DC is designed to satisfy the most rigorous demands while retaining simplicity for casual use as well Using the system can be as simple as pressing an input key and turning the volume up and down Less used functions are organized into a simple on screen menu system and hidden buttons on the
16. di adoperare l unit dove potrebbe entrare in contatto con acqua Evitare di adoperare l unit se la stessa stata urtata violentemente se ha subito un danno se stata esposta ad un liquido o in caso di un evidente cambiamento delle prestazioni che indichi la necessit di un intervento di assistenza tecnica Ogniintervento sull unit va eseguito esclusivamente da personale qualificato La rimozione della copertura comporta l esposizione al pericolo di folgorazione ll presente triangolo impresso sul componente avverte della presenza di tensioni pericolose non isolate all interno della copertura tali tensioni rappresentano un pericolo di folgorazione II presente triangolo impresso sul componente avverte l utente della presenzanella documentazione allegata di importanti istruzioni relative al funzionamento ed alla manutenzione DC 2 Digital Controller Introduction 1 Installation Controls and Indicators cccccccccccncncncnnnnnnnononananananananon The Front Panel aie eise er inert ete cnt The Rear PaNel oooonncnccicononnnoncncconoconencnnnonnnnnnononononnns The Remote Control eeeecen Alternate Remote Control Functions Using the Shift and Record Zone 2 buttons GONECUON ecos caida anida ecards Location Considerations oooocccccnnccnccnnnonocanonanonononons AC Connections seeeeee ne Wiring Considerations seeeees Audio Video Cables Spe
17. e Wy L GND PGM GND PWR PWR PGM TRIGGERS 6 S PDIF INPUTS Five coaxial RCA connectors and three optical connectors are provided for digital audio inputs 7 EXPANSION PORTS Reserved for future upgrades 8 RS 232 Serial port connector for au tomation and control systems 9 Power On Off Master power switch discon nects the AC Mains This switch is intended to be left On during regular use When ever cables are connected or disconnected or when the unitis not going to be used for an extended period of time this switch should be set to Off 10 POWER AC power connector 3 wire 10 Amp IEC 320 DC 2 Digital Controller Installation 1 ON FP and OSD ON turns the DC 2 on and selects the input last used with main and Zone 2 volume levels set to the levels cho sen in the OUTPUT LEVELS menu FP ON turns on the front panel display backlight and the Lexicon logo OSD ON activates the DC 2 on screen display 2 OFF FP and OSD OFF puts the unitinto standby and mutes all of the outputs OSD OFF turns off the on screen display FP OFF turns off the front panel display backlight and the Lexicon logo 3 SELECT A V and DONE Allow access to and adjust ment of all displayed menu items A and Y step a dis play cursor through listed menu items SELECT dis plays submenus or chooses a menu item for adjustment The A and Y buttons alter the settings of selected pa rameters
18. effect assignment are shown below More information is provided in the following FX Format section Input PCM Effect AC 3 Effect DTS Effect LOGIC 7 5 1 LOGIC 7 DTS LOGIC 7 LOGIC 7 5 1 LOGIC 7 DTS LOGIC 7 LOGIC 7 5 1 LOGIC 7 DTS LOGIC 7 TV MATRIX 5 1 LOGIC 7 DTS LOGIC 7 LOGIC 7 5 1 LOGIC 7 DTS LOGIC 7 MUSIC LOGIC 5 1 MUSIC DTS MUSIC MUSIC LOGIC 5 1 MUSIC DTS MUSIC MUSIC LOGIC 5 1 MUSIC DTS MUSIC The FX FORMAT parameter in the Input Configuration menu allows the FX Format DC 2 s format switching option to be individually adjusted for each input Many multi format source components such as laser disc players are capable of outputting different signals depending on the software being used The DC 2 automatically identifies the format of incoming audio signals and selects an appropriate effect The four selections available for FX FORMAT on each input are AUTOMATIC PCM ONLY AC 3 ONLY and DTS ONLY Each of these selections is described below When AUTOMATIC is selected the DC 2 automatically identifies the Automatic format of the incoming signal and selects an appropriate effect Effects can be chosen for each individual input and for each format in the INPUT CONFIG menu To illustratehow AUTOMATIC would operate with a laser disc player note the following example which assumes an AC 3 ready laser disc player used in conjunction with the Lexicon LDD 1 AC 3 RF Demodulator This example assumes the V DISC input has the
19. even if the display is inactive If you choose ALW AYS OFF you will not be able to use the video overlay and even setup will have to be done using the front panel display COLOR allows you to have the on screen display presented in mono chrome or color FORMAT allows you to select NTSC PAL or SECAM formats Note that SECAM format is available only in monochrome MENU BACKGROUND allows you to have on screen controls displayed on a solid color background ON or directly superimposed on your video image OFF Press DONE twice to return to the main menu 14 DC 2 Digital Controller System Configuration The DC 2 has eight inputs each of which can be associated with any of the five video and eight digital audio inputs Selecting Input Configuration from the Setup menu displays a sub menu which lists these inputs and allows you to select them individually for adjustment Each input has an identical parameter sub menu V DISC is shown below as an example INPUT CONFIG V DISC Adjust with A or Y Sources NONE VCR DVD V DISC TV AUX Rec Zone 2 Output ANALOG DIGITAL BLOCKED PGM Trigger Output ENABLE DISABLE Sources ANALOG COAX 1 2 OPTICAL 1 2 For optimal performance when using analog inputs the unit must be driven to its full input level without clipping Despite industry attempts at stan dardization different analog sources have a wide range of output levels To compensate for this each of the eight DC 2
20. feeds Erratic recall of modes Severe power surges or sags can confuse the DC 2 memory To correct or if you simply want to start over restore the factory defaults with the procedure described at the end of this section If all else fails Turn off all amplifiers Turn the master power switch on the DC 2rear panel OFF wait 10 seconds then turn it ON again This causes the unit to run a diagnostic self test routine which takes a couple of seconds If the DC 2 LCD displays normally at the end of this test no problems have been found with the DC 2 circuitry If the internal tests fail the LCD may display an error message or no message at all If this happens contact your dealer or Lexicon Customer Service If you find that your custom settings are routinely being corrupted the lithium battery in the DC 2 may need replacing This part is not field replaceable contact your dealer or Lexicon Customer Service If the unit is still behaving erratically perform the Restore Defaults procedure described on the following page Lexicon maintains a knowledge baseon its website www lexicon com where you can find answers to frequently asked questions and addi tional troubleshooting information 56 DC 2 Digital Controller Troubleshooting Other than occasional replacement of the batteries in the remote control the DC 2 requires minimal maintenance Use a soft lint free cloth slightly dampened with warm water to clean t
21. front speakers once you have corrected the speaker angle setting you can move the sweet spot to that position To do this select LISTENER POS and Y f N f use A and V to move the effect As you adjust the position the display will indicate motion to the left of center L001 L002 L003 L127 CENTER or to the right of center R001 R002 R003 R127 The numbers represent ap proximately 1 3 but are provided primarily as a general reference Ifthe two silent bands are too close lower the Speaker Angle if they are too far Panorama is now calibrated Press DONE repeatedly to step back to the apart raise the Speaker Angle main setup menu 30 System DC 2 Digital Controller Conf igur ation This control allows you to adjust the left right balance of the front side and L R Balance rear main outputs This control can also be accessed on the remote by pressing and holding the Shift button and using DONE to move to the left and SELECT to move to the right This control allows you to adjust the left right balance of the Zone 2 Zone 2 Balance outputs This control can also be accessed on the remote by pressing and holding the Record Zone 2 button and using DONE to move to the left and SELECT to move to the right 31 System Configuration Lexicon Customization Locking Settings LOCK SETTINGS MENU Assign Custom Name After you have calibrated and customized the DC 2 there are two addi ti
22. instale esta unidad en un estante sin ventilaci n ni tampoco directamente encima de equipos que generen calor tales como amplificadores de potencia F jese en las temperaturas ambientales m ximas de operaci n que se mencionan en las especificaciones del producto Las aperturas y ranuras del chasis sirven para proveer la ventilaci n necesaria para operar la unidad con seguridad y para prevenir sobrecalentamiento y por lo tanto no pueden ser obstruidas o cubiertas No introduzca objetos de ning n tipo a trav s de las ranuras de ventilaci n y nunca deje caer ning n l quido sobre la unidad Nunca conecte ning ntipo de salida de amplificadores de sonido directamente a los conectores de la unidad Para prevenir descargas el ctricas o incendios mantenga la unidad alejada de la lluvia humedad o cualquier lugar en el que pueda entrar en contacto con agua No trate de hacer funcionar la unidad si se ha ca do est da ada ha entrado en contacto con l quidos o si nota cualquier cambio brusco en su funcionamiento que indique la necesidad de hacerle un servicio de mantenimiento Esta unidad deber ser abierta nicamente por personal calificado Si usted quita las coberturas se expondr a voltajes peligrosos Este tri ngulo que aparece en su componente le advierte sobre la existencia dentro del chasis de voltajes peligrosos sin aislantes voltajes que son lo suficientemente grandes como para causar electrocuci n Este tri
23. interference will not occur in a particular installation If this equipment does cause interference to radio or television reception which can be determined by turning the equipment OFF and ON the user is encouraged to try to correct the interference by one or more ofthe following measures Reorient the receiving antenna Relocate the computer with respect to the receiver Move the computer away from the receiver Plug the computer into a different outlet so that the computer and receiver are on different branch circuits If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions The user may find the following booklet prepared by the Federal Communications Commission helpful How to identify and Resolve Radio TV Interference Problems This booklet is available from the U S Government Printing Office Washington DC 20402 Stock No 004 000 00345 4 Le pr sent appareil num rique n met pas de bruits radio lectriques d passant les limites applicables aux appareils num riques de la class B prescrites dans le R glement sur le brouillage radio lectrique dict par le minist re des Communications du Canada Antenna Lead in Outdoor Antenna Grounding Wire If an outside antenna is connected to the receiver be sure the antenna system is grounded so as to provide some protection against voltage surges and built up static charges Section 810 of the Antenna Discharge Na
24. is an excellent choice for heavily centered pop music such as metal and sounds more natural for broadcast material with a single announcer OFF sets the center channel level to 4 5dB less than the front left and right speakers and then leaves the level unchanged as the steering varies This setting is equivalent to conventional stereo with a slight center fill HALL SIZE allows you to select room sizes of lengths ranging from 4 38 meters depending on the effect selected 41 PCM Effects and Parameters Lexicon INPUTBALANCE allows you to compensate for the occasional source with audible channel imbalance When selected screen graphics indicate the relative left right position LIVENESS adjusts the amount of recirculation within the effect Higher values mimic more reflective surfaces in the simulated space and increase the amount of time it takes the sound to decay At very high values the decay is audibly less smooth than in the Church and Cathedral Effects which are more effective at simulating very live spaces LOW FREQ WIDTH allows you to apply low frequency spatial correction to the signal Positive values of LOW FREQ Width indicate that the difference signal L R has additional energy below 500Hz while the sum L R has correspondingly less Negative settings of LOW FREQ WIDTH can com pensate for recordings with too much of this property This control can add needed spaciousness and warmth to classical recordings made
25. line of sight to this receiver for proper operation If line of sight is impractical an infrared remote repeater can be used with the rear panel IR connector The DC 2 may be placed in a glass doored cabinet but smoked glass will make the front panel Liquid Crystal Display LCD difficult to read and will reduce the sensitivity of the IR receiver The DC 2 is designed to be connected to an uninterrupted AC power line in thesame manner as a VCR ora television We recommend the use of an AC line filter to protect against line surges or the installation of a line condi tioner to protect against under voltage brownouts as well as overvoltage conditions The DC 2 has a master power switch on the rear panel above the IEC standard AC power receptacle This switch may be left ON continuously when the unit is in regular use When the DC 2 will not be used for an extended period of time or whenever you are connecting or disconnecting any cables to the unit this switch should be turned OFF Connect the power cable to the DC 2 then plug the power cord into a wall outlet or into an unswitched outlet on a surge protector Be sure that the power cord is firmly seated in the connector on the rear panel of the DC 2 DC 2 Digital Controller Installation Wiring Considerations There is debate over the audible effects of different types of interconnects Audio Video Cables Good engineering practices have minimized the effect that cables might
26. listen for a tightly focused center image of speech or singing If the image is off center adjust the DC 2 s input balance controls The more centered the monaural image the better Panorama will work Select CALIBRATE PANORAMA from the Listener Position menu to display a sub menu that allows you to turn on a calibration noise source configure the speaker angle and adjust the listener position A V Sync Delay Calibrate Panorama 29 System Configuration Lexicon k C3 CJ LISTENER POSITION l CALIBRATE PANORAMA Adjust with A or W CAL NOISE OFF LEFT ONLY LEFT AND RIGHT RIGHT ONLY L127 CNTR R127 L127 Center R127 SPEAKER ANGLE is the angle between the main speakers as seen from the listen ing position here it is about 60 LIS TENER POS allows you to adjust for an offset listening position SPEAKER ANGLE LISTENER POS CAL NOISE is a special digitally generated signal to aid in calibrating the Speaker Angle and Listener Position parameters Note that in all cases sound will actually be produced by both front loudspeakers The adjust ments affect the perceived directionality of the sound The SPEAKER ANGLE displayed in degrees adjusts for wide or narrow speaker spacing relative to the listening position For the two canceling signalsto arrive atboth ears atthe same time you must be centered precisely between the speakers It will be easiest to calibrate this
27. on the DC 2 rear panel 12VDC is provided for controlling ancillary equip ment or functions Selections are ENABLE or DISABLE for the selected input The factory default is ENABLE high for A V inputs and DISABLE low for audio only inputs 5VDC is available via internal jumper Contact your dealer or Lexicon Customer Service to perform this change TheSpeaker Configuration menu allows a wide range of choices in speaker type and room setups to provide optimal performance in almost any room An adjustable lowpass filter is available for the subwoofer as well as a highpass filter for all other speakers The three selections are for CUSTOM THX or SURROUND EX configuration SETUP MENU SPEAKER CONFIG SPEAKER SETUP MENU CUSTOM CONFIG Press SELECT to open the CUSTOM CONFIG menu Press SELECT to access the selections for any highlighted menu item CUSTOM CONFIG MENU Adjust with A or W Select LARGE for full range front speakers to deliver full frequency re sponse to the front left and right outputs Selecting SMALL activates a 12dB per octave highpass filter and automatically routes low frequency informa tion to the subwoofer output Choices of 40 80 and 120 Hz are available for the 3dB point The SMALL setting is recommended unless your speakers are capable of handling full audio signals or are equipped with their own crossovers PGM Trigger Assignment TRIGGERS A TRIGGERS e wW IL GND PGM GND PWR
28. options availble for AUDIO IN are ANALOG COAX 1 5 and OPTICAL 1 3 When ANALOG is selected for a given input the DC 2 will use the corresponding analog stereo audio input to generate the MAIN OUTPUTS Note that selecting ANALOG will automatically select PCM ONLY as the FX FORMAT as the AC 3 and DTS effects are only compatible with digital inputs When one of these eight digital inputs is selected the DC 2 will use it to derive the signal for the MAIN OUTPUTS Note that all eight digital inputs can be used for various DC 2 inputs This is particularly useful when using source components such as a laser disc or a DVD player to drive multiple DC 2 inputs When using a PCM digital audio source sampled at 48kHz the following effects will operate PARTY 2 CHANNEL MUSIC SURROUND MUSIC LOGIC LOGIC 7 TV MATRIX PRO LOGIC and THX CINEMA The inputs labeled VCR DVD V DISC TV and AUX normally have corresponding video inputs The inputs labeled CD TUNER and TAPE do not have associated video inputs and default to the VCR video input For maximum configuration flexibility each of the five video inputs can be assigned to a different input or to multiple inputs If the assigned video input has both S Video and composite jacks the S video signal takes priority whenever a cable is plugged into the appropriate S video connec tor 20 DC 2 Digital Controller System Configuration The DC2 is designed to be the control cent
29. show the current name with a cursor marking the character position to be modified Use the A and Y buttons to select a new character for that position and SELECT to move the cursor to another position Press DONE twice to return to the Input Configuration menu This control allows you to restore the factory name for the currently selected input Pressing SELECT displays the message PRESS SELECT TO RE STORE INPUT NAME Pressing SELECT again restores the name and exits to the Input Configuration menu The DC 2 has the ability to automatically load an effect whenever an input is chosen For example if you primarily listen to CD s with the CONCERT HALL effect the DC 2 can be set to load this effect when the CD input is chosen You can listen to any similar type of effect using the EFFECT button on the front panel or FX button on the remote control If you select USE LAST the DC 2 will load the last effect used for the selected input Any effect can be assigned to any or all of the eight inputs 16 System DC 2 Digital Controller Conf igur ation The DC 2 can also be set up to automatically switch to an appropriate effect whenever PCM AC 3 or DTS encoded materialis detected at the input This allows oneinputto be used for different formats For example in the factory default state the V DISC input will automatically load the appropriate version of Logic 7 when an AC 3 DTS or PCM signalis present The default selections for input
30. will display the current name with a cursor indicating which character position can be modified Use A and Y to select a new character Use SELECT to move the cursor to a new position Press DONE to save the new name 32 DC 2 Digital Controller System Configuration When EFFECT ADJUST is selected from the Main menu the on screen display shows a list of parameters specific to the current effect as well as the current value of each parameter The front panel display shows one parameter at a time Use the A and V buttons to move through the displayed list Press SELECT to activate a two line display which allows you to use A and Y to alter the selected parameter s value Press DONE to confirm the change and move on to the next menu item Each DC 2 Effect and its parameter menu is described in the following sections Although the list of available parameters will vary with different effects the last item in each menu is always CUSTOM Selecting CUSTOM calls up a sub menu which allows you to name your custom effects to compare your version with the original preset or to restore the preset versions of the Effect name and parameter values When first shipped the DC 2 has a set of default values assigned to each Effect These values have been determined to be suitable forinitial listening As every installation has its own unique characteristics and listeners have distinctly different preferences you may want to tailor the Effect
31. with coinci dent or near coincident microphones MAIN LEVEL controls the level of the mono signal thatis reproduced by the main speakers When a center speaker is part of the configuration many films may sound better when this control is set between 6 12 This spreads the film sound out around the screen and can be more pleasant than restricting the dialog and much of the other film sound to the center speaker MID RT midrange reverberation time is the time required for midrange sounds to decay 60dB in level PRE DELAY increases the delay between the direct sound and the onset of reverberation Because some pre delay is inherent in the program material a value of 0 is usually a good starting point Increasing the pre delay value will make the hall sound larger RE EQUALIZER equalizes the left center and right channel outputs to match the overall frequency balance of the original recording Without this re equalization many films and some television programs will sound too bright REAR DELAY adjusts the amount of time between the appearance of a signal in the front channels and its emergence from the rear Generally the correct delay is about 16 milliseconds but the setting depends on speaker set up and source material In general the delay should be low enough so that the rear sound does not become identifiable as a distinct source The settings also affect the side outputs 42 PCM Effects and Parameters DC 2 Digital Cont
32. E outputs rear amplifiers to the REAR outputs center channel amplifier to the CENTER output and the subwoofer amp to the SUBWOOFER output If you are using THX type di pole surround speak ers the amplifier driving them should be connected to the DC 2 SIDE outputs Whenever possible connect both analog and digital outputs of digital sources This enables use of a digital input for the main zone and the corresponding analog input for the Record Zone 2 outputs Note the use of Y connectors to feed the DC 2 Record output to both the VCR and the tape deck DC 2 Digital Controller Installation The DC 2 has five composite and S Video inputs Connection to an S Video Video Connections input will override the composite signal connected via the RCA type connector Note that an S Video input will be output on both the composite and S Video outputs Compositeinputsignals willnot beoutputasS Video You can assign any video source to any or all of the eight DC 2 inputs via the Input Configuration submenu of the Setup menu This can be very useful in systems which use a VCR as the tuner for TV viewing as the video feed from the VCR can be assigned to both the VCR and TV inputs The VCR saudiosignals can be fed to both inputs with Y connectors Do notuse Y connectors on video signals This allows the audio and video signals from the VCR to be used for both TV and VCR viewing You can also assign any video source to audio only sources s
33. EFFECT ONLY allows you to listen to only the effects added by the DC to the currently loaded program With this function selected use A and Y to turn this function on or off This control allows you to adjust the front rear balance for the current effect This control can also be accessed on the remote by pressing and holding the Shift button and using A to move the balance point forward and V to move it backward 34 PCM Effects and Parameters The PCM Effects are compatible with two channel input signals analog or digital These effects are included in all three versions of the DC 2 Panorama extracts the natural ambience from recorded music and moves it outward from the speakers producing greater width and depth of image and a feeling of enhanced spaciousness This mode adds no additional sound but expands the existing stereo image Panorama also works well with Dolby Stereo movies bringing the surround track outward into the room The location of the front speakers and the listening position are crucial to Panorama s effectiveness and for best results your system and the DC 2 together should be set up and calibrated according to the procedure in Chapter 2 The strength of the Panorama effect drops off as you move away from the prime listening position especially to the sides Video systems with theL R main speakers spaced closely on either side of a TV screen will produce a usable effect over a somewhat wider area than se
34. ELATED setting electronically scrambles the monaural surround channel to provide added spaciousness and envelopment VOCAL ENHANCE boosts vocals in the center channel By targeting specific frequencies it can boost only vocals without raising the entire center channellevel which would alter the output balance achieved during calibration 44 AC 3 Effects and Parameters AC 3 Effects are compatible with Dolby Digital input signals These effects along with the PCM Effects described in Chapter 3 are included in the AC 3 and DTS versions of the DC 2 Any AC 3 capable software and or source components should be labeled with a badge similar to the one on the DC 2 front panel AC 3 and DTS versions In the AC 3 effects an AC 3 Status Display is available in the parameter menu with the following information MATRIX ENCODED YES indicates a 2 0 Dolby Digital input is matrix encoded No indicates it is not DOWNMIX YES indicates a Dolby Digital input is being downmixed for the selected speaker configuration NO indicates no downmixing is taking place except in the 5 1 2 Channel Effect which is designed to create a two channel downmix from Dolby Digital 5 1 channel signals DATA RATE 32 640kb depending on the data rate of the incoming Dolby Digital signal SAMPLE RATE 44 1kHz or 48kHz depending on the incoming Dolby Digital signal PGM CONTENT shows you the actual spatial characteristics of the incom ing soun
35. EREO setting of SURROUNDS although full separation be tween the sides and the rear speakers is not available Parameter AUTO AZIMUTH Initial Value ON OFF RE EQUALIZER ON OFF SURROUNDS STEREO DECORR SUBWOOFER LVL OFF 30dB to 05dB CUSTOM TV Matrix Pro Logic THX Cinema 39 PCM Effects and Parameters Lexicon Mono Logic PCM Effect Parameters Mono Logic takes a monaural soundtrack and sends music and sound effects to the sides and rear through a room simulator mode while keeping the dialog in the center Parameter Initial Value Range MAIN LEVEL 0 16 ACADEMY FILTER ON OFF ROLLOFF 453Hz to 20 0kHz SUBWOOFER LVL EFFECT LEVEL OFF 30dB to 05dB 30 to 05dB 5SPEAKER ENHANCE simulates 7 speaker playback through a 5 speaker system providing a heightened sense of spaciousness and envelopment without extra speakers This enhancement is most noticeable if the sur round speakers are positionned directly to the side of the listening position or if the listening position is located against the rear wall Note that although this provides very convincing improvement to a 5 speaker system it is not a substitute for a properly set up and calibrated 7 speaker system The difference is most noticeable when the listener is seated to one side of the calibration position ACADEMY FILTER is provided to recreate the proper tonal balance of older monaural film
36. GCIS secret 33 Restoring the original parameter values of an Effect Naming your custom Effect Restoring the original Effect Name Listening to only the DC 2 Effect Front Back Fader PCM Effects and Parameters PANORAMA uuo cca ev caes cdi sd A coxa E Tr Qe Ye cec a YE RESET RS 35 NiGlitelil D cease tige Crete teer ta lalola deis 35 Concert Hall inn iaa 36 GCM RIEN 36 Gathedral usina ida 36 mE HER 37 2 Ghianrnel seinra ici dida Ue da Qu va Ye enes 37 MUSIG SUETOUTI si ceti enneunen ema e indu dra rn cn 37 MUSIC Ere ome 38 LOGIC cT 38 BASEMENT TUMULUM 39 Pro LOGICS 39 TAK GIN GIG nadaa ias 39 MR ai st S NRA GRE 40 PCM Effect Parameters ccccccccccccceecceeeeeeeeeeeeneeeneaes 40 AC 3 Effects and Parameters AG 3 Status DISDIay i1 eres e rete ed dps 45 512 Channel 5 octave acts a a none tapa vana caa 46 SM Uim E Ont ken 46 5 1 b0gle 7 secte uma ederet 47 Dolby Digital ccs tiep Eee eter oce dele tenes 47 THX 5 1 Including Surround EX ssuss 48 AC 3 Effect Parameters Lossmmssssssssrersereresesesersssrs sr snar rar rn rna 48 DTS Effects and Parameters DTS 2 Channel eese nnne 51 DTS MUSIC incita ruat duu Ren veu nein etin n m eu eva 51 DESILOUS EET 52 DTS SETTE lolis 52 DTS THX Including Surround EX suse 53 DTS Effect Parameters oooocononoconcnanacacacacnnnnnnnnnannnnonononos 53 Troubleshooting Problems
37. Hz These settings are not adjustable When DC 2 input and output levels are set properly the entire system will be calibrated to play films at the level intended by the director Setting the output levels is easy with a Sound Pressure Level SPL meter Using the DC 2 s internally generated calibration signal adjust the level of each output to the same relative level 75dB OUTPUT LEVELS MENU Adjust with amp or W Noise signal sent sequentially to all speakers Pro Logic effect w current input as source 5 to 35dB 10dB 20dB 30dB 40dB FULL MUTE LAST LVL 80 to 12dB LAST LVL 80 to 12dB Subwoofer Output oo 1 000 HN 2000 2 000 X Subwoofer Frequency Response The low pass filter attenuates high fre quencies at 24dB per octave The values given are for the 6dB point THX Configuration SPEAKER SETUP MENU THX CONFIG SURROUND EX Configuration SPEAKER SETUP MENU SURROUND EX CONFIG Setting Output Levels SETUP MENU OUTPUT LEVELS 25 System Configuration Lexicon NOTE If any of the amplifiers in your system have output level con trols their settings will affect the balance of the DC 2 outputs Gen erally the gain controls of these amps should be set prior to DC 2 Output Level calibration You should record the values of thes
38. N AN Deutsch Wichtige Sicherheitsanweisungen Heben Sie sich diese Sicherheitsanweisungen auch f r sp ter auf Befolgen Sie alle auf der Vorrichtung stehenden Anweisungen und Warnungen Immer nur mitderrichtigen Spannung verwenden Die Gebrauchsanweisungen des Herstellers informieren Sie ber die elektrischen Anforderungen Vergessen Sie nicht daB bei verschiedenen Betriebsspannungen ggf auch verschiedene Leitungskabel und oder Verbindungsstecker zu verwenden sind Stellen Sie die Vorrichtung nicht in ein unbel ftetes Gestell oder unmittelbar ber warmeerzeugende Ger te wie z B Tonverst rker Halten Sie die in den Produktspezifikationen angegebene maximale Umgebungstemperatur bei Betrieb ein Schlitze und Offnungen im Geh use dienen der Bel fung um verl Blichen Betrieb sicherzustellen und Uberheizen zu vermeiden d rfen diese Offnungen nich verstopft oder abgedeckt werden Stecken Sie nie irgend einen Gegenstand durch die Bel ftungsschlitze VergieBen Sie keine Fl ssigkeiten auf den Apparat SchlieBen Sie nie Tonverst rker unmittelbar an einen Anschlu des Apparates an Um elektrischen Schlag oder Feuer zu vermeiden setzen Sie den Apparat weder Regen noch Feuchtigkeit aus und betreiben Sie ihn nicht dort wo Wasser eindringen k nnte Versuchen Sie nicht den Apparat zu betreiben falls er fallen gelassen besch digt oder Fl ssigkeiten ausgesetzt wurde oder falls sich seine Arbeitsweise derart ndert daB daraus ein
39. O DTS AUDIO The FX A and V buttons will select only DTS effects In our example selecting DTS as the FX Format setting would have caused the DC 2 to mute and display NO DTS AUDIO when the Dolby Surround and AC 3 movies were played When the DTS music disc was advanced the DC 2 would have muted briefly rather than automatically selecting the PCM effect Logic 7 PCM Only NOTE PCM ONLY is automati cally selected for an input when ever ANALOG is selected as the AUDIO IN setting as AC 3 and DTS effects are incompat ible with analog inputs AC 3 Only NOTE As AC 3 is a digital for mat you must have a digital input selected for AUDIO IN in the INPUT CONFIG menu DTS Only NOTE As DTS is a digital for mat you must have a digital input selected for AUDIO IN in the INPUT CONFIG menu 19 System Configuration Lexicon Audio In Analog COAX 1 5 and OPTICAL 1 3 Digital Audio Inputs Video In NOTE S Video input signals will be output on both the composite and S Video jacks However if you are only connecting to the monitor via the S Video output composite video input sources will not be displayed This option in the INPUT CONFIG menu determines which audio input connector on the DC 2 rear panel will be used for the MAIN zone Using the digital inputs will always yield better performance and these should be used whenever a source component has a digital audio output The
40. OFER LVL OFF 30GB to 05dB CUSTOM 38 DC 2 Digital Controller PCM Effects and Parameters The TV Matrix effect provides surround effects for television viewing of monaural stereo and stereo synthesized programs Parameter AUTO AZIMUTH Initial Value Range ON ON OFF VOCAL ENHANCE 3 0dB 0 0dB 3 0dB 6 0dB FRONT STEERING RE EQUALIZER 1 2 OFF 1 2 FILM MUSIC ON OFF SOUNDSTAGE FRONT NEUTRAL REAR 5 SPEAKER ENHANCE ON OFF BASS ENHANCE ON OFF SURROUND ROLLOFF SIDE LEVEL 453Hz 20 0kHz OFF 30dB to 05dB REAR LEVEL OFF 30dB to 05dB SUBWOOFER LVL OFF 30dB to 05dB CUSTOM This Effect provides Dolby Pro Logic Surround decoding designed for any Dolby Surround encoded movies music television programs or games Lexicon s proprietary Auto Azimuth correction makes it one of the most accurate Pro Logic decoders available Parameter Initial Value AUTO AZIMUTH ON OFF 0 0dB 3 0dB 6 0dB OFF 30GB to 05dB VOCAL ENHANCE SUBWOOFER LVL CUSTOM This Effect provides Home THX Cinema surround decoding for any Dolby surround encoded movies music or television programs The effect is similar to Pro Logic but includes the features of re equalization timbre matching and decorrelation The surround channels are monaural but can be decorrelated This effect can also be set to use the Logic7 stereo surrounds with the ST
41. Owner s Manual DC 2 Digital Controller lexicon Important Safety Instructions Save these instructions for later use Follow all instructions and warnings marked on the unit Always use with the correct line voltage Refer to the manufacturer s operating instructions for power requirements Be advised that different operating voltages may require the use of a different line cord and or attachment plug Do not install the unit in an unventilated rack or directly above heat producing equipment such as power amplifiers Observe the maximum ambient operating temperature listed in the product specification Slots and opening on the case are provided for ventilation to ensure reliable operation and prevent it from overheating these openings must not be blocked or covered Never push objects of any kind through any of the ventilation slots Never spill a liquid of any kind on the unit Never attach audio power amplifier outputs directly to any of the unit s connectors To prevent shock or fire hazard do not expose the unit to rain or moisture or operate it where it will be exposed to water Do not attempt to operate the unit if it has been dropped damaged exposed to liquids or if it exhibits a distinct change in performance indicating the need for service This unit should only be opened by qualified service personnel Removing covers will expose you to hazardous voltages This triangle which appears on your component This triangle whic
42. PWR PGM Speaker Configuration Custom Configuration Front L R I 10 20 50 100 200 500 1k 2k 5k 10k Hz The high pass filter attenuates low fre quencies at 12dB per octave The values given are for the 3dB point 23 System Configuration Lexicon Center dBr 0 0 JB 1 000 om 6 000 HHHH 7 000 9 000 10 00 11 00 aso 16 00 17 00 1000 L 102050 100 200 500 Jk 2k Sk 10k Hz Bass Split rolls off frequencies at 12dB per octave The values given are at the 3dB point of attenuation from the center speaker Sides NOTE When STANDARD SIDE and REAR speakers are selected the output level of the side chan nels is decreased slightly while the output level of the rear channels is increased slightly This helps pre vent the side speakers from over powering the rear speakers Rears NOTE In software Version 4 when SIDE and REAR speakers are se lected the following changes are automatically made to THX 5 1 and DTS THX effects SURROUND EX is set to ON EX is addedto the effect name for example THX 5 1 EX Systems that utilize
43. R speakers are selected in the SPEAKER CONFIGURATION menu and will not operate unless SIDE and REAR speakers are selected SURROUND EX decoding can be engaged during playback of non SUR ROUND EX encoded 5 1 material however the information delivered to the rear channels may not be pleasing SURROUND MIX allows independent adjustment of the level of the sur round channels Many multichannel encoded soundtracks sound better when down mixed to two channels with the surround level increased by approximately 2 3dB VOCAL ENHANCE boosts dialog in the center channel By targeting specific frequencies it can boost only dialog without raising the entire center channel level which would alter the output balance achieved during calibration 54 Troubleshooting If you encounter a problem please review the items in the following Troubleshooti ng checklist Also be sure to thoroughly check all other connected components such as speakers receiver amplifier preamp VCR TV CD player etc Problem Possible Cause and Solution Power does not come on No audio Remote control not working No output Center Channel only plays Muffled sound in L amp R channels Center channel sound muffled No Input Level Meters No Video Check line cord to ensure good connection to the AC outlet and to the receptacle on the DC 2 rear panel Check to make sure that the DC 2 rear panel power switch is ON Check the Status menu
44. Stikk aldri noe inn i ventilasjons pningene og pass p at det aldri sales noen form for v ske p apparatet Utgangsplugger fra audioforsterkere skal aldri koples direkte til apparatet Unng brannfare og elektrisk stot ved s rge for at apparatet ikke utsettes for regn eller fuktighet og ikke anvendes i naerheten av vann Apparatet skal ikke brukes hvis det har blitt utsatt for stot er skadet eller blitt v tt eller hvis endringer i ytelsen tyder p at det trenger service Dette apparatet skal kun pnes av fagfolk Hvis dekselet fjernes utsettes man for livsfarlig h yspenning til utgjore en fare for elektrisk stat Komponenten er merket med denne trekanten som betyr at den tilhorende litteraturen inneholder viktige opplysninger om drift og vedlikehold Komponenten er merket med denne trekanten som er en advarsel om at det finnes uisolert farlig spenning inne i kabinettet hay nok Suomi T rkeit turvallisuusohjeita S ilyt n m ohjeet tulevaa k ytt varten Seuraa kaikkia yksikk n merkittyj ohjeita ja varoituksia K yt aina oikeaa verkkoj nnitett Tehovaatimukset selvi v t valmistajan k ytt ohjeista Huomaa ett eri k ytt j nnitteet saattavat vaatia toisenlaisen verkkojohdon ja tai pistokkeen k yt n l asenna yksikk telineeseen jossa ei ole tuuletusta tai v litt m sti l mp tuottavien laitteiden esim tehovahvistimien yl puolelle Ymp rist n l mp tila
45. TEERING MUSIC SOUNDSTAGE NEUTRAL 5 SPEAKER ENHANCE BASS ENHANCE SURROUND ROLLOFF 453Hz 20 0kHz REAR DELAY OFFSET 0 20ms SIDE LEVEL OFF 30dBto 05dB REAR LEVEL OFF 30dBto 05dB SUBWOOFER LVL OFF 30dB to 05dB CUSTOM This film sound mode reproduces musical material with maximum separa tion at all times whether or not directional material is being steered In addition Logic 7 uses intelligent steering to extract wide bandwidth stereo surround channels If both side and rear speaker pairs are available signals may be steered between the left side and left rear or between the right side and right rear It is also possible for a signal to be steered fully to the rear speakers with the side surround speakers 6dB lower than the rears to provide subjective rear imaging Logic 7 contains the re equalizer feature of the THX Cinema effect as well as Lexicon s proprietary vocal enhancement feature The combination of stereo surround information during music and decorrelated effects with discrete steering to the sides and rears gives Logic 7 unrivaled performance on matrix encoded films Parameter Initial Value AUTO AZIMUTH ON OFF VOCAL ENHANCE 0 0dB 3 0dB 6 0dB RE EQUALIZER ON OFF SOUNDSTAGE FRONT NEUTRAL REAR 5 SPEAKER ENHANCE ON OFF BASS ENHANCE ON OFF SURROUND ROLLOFF 453Hz 20 0kHz REAR DELAY OFFSET 0 20ms SIDE LEVEL OFF 30GB to 05dB REAR LEVEL OFF 30dB to 05dB SUBWO
46. X 5 1 Parameter Each Effect has a set of parameters controls that characterize it Parameter settings can be changed to customize each Effect for your room and listening taste Effect Parameter values are stored recalled with each Effect Some examples are Subwoofer Level and Vocal Enhance System parameter values are not associated with a particular Effect and their values do not change when a new Effect is loaded An example is Speaker Configuration PCM FX The term PCM FX Pulse Code Modulation Effects is used to describe all of the effects which are compatible with two channel input signals analog or digital Two Channel We use the term two channel rather than stereo because a two channel input can contain monaural stereo or matrix encoded stereo sound depending on how it was mixed Installation lexicon DC 2 Digital Controller ON OFF 1 ON OFF ON OFF alternately puts the DC 2 into and out of standby Turning the DC 2 off with this button or with the remote deactivates the unit while leaving power to the signal processing circuitry to keep it at optimum operating tem perature Turning the DC 2 on with this button or the remote will restore the previ ous operating state 2 Input Selection Pressing any of these but tons VCR DVD V DISC TV AUX CD TUNER TAPE selects the input for the main zone and lights a green LED DVD V DISC TV AUX cD 3 REC ZONE 2 Press and hold to ac
47. aker Conncetions Audio Video Connections DC 2 Connections ccccnonnccccnccnnonacancnnnnnnancnnnnnnnanananinnna Video Connections Digital Audio Connections AC 3 Ready Laser Disc and LD DVD Players 2 System Configuration Restore Factory Defaults enenu EdgualiZatiohi ete pecu ierit eee ees epe Pee KNEKT Reset Bass and Treble Level Tilt e Loudness Display Adjustment The Video On Screen Display Input ConfIQUEatiOn s cuc rone Ret eret te p n Enea Input Gain Analog Inputs Only Input Level Meters Input Name Input Effect FX Assignment SIUE TI TU TT Automatic e PCM Only AC 3 Only DTS Only Audio II uiae ct rodeado edu De texto e lee Dec eee deitas Analog Coax 1 5 and Optical 1 3 Digital Audio Inputs Me Record ZOnG 2 uic etia cientes oct svalde benens nn Record Zone 2 Controls PGM Trigger Assignment Speaker Configuration Custom Configuration THX Configuration Surround EX Configuration Setting Output Levels ssssssssseseeneeeneren Note on External Noise Calibration Subwoofer Peak Limiter e Mute Level e Power On Volume Zone 2 Power On Volume Setting Listener Position s smsessrssssssrsrssserrssnsnnnsrnnnnnr rn nana Speaker Distance A V Sync Delay Calibrate Panorama L R Balance Zone 2 Balance CUSTOMIZAO acne odere tou e eere eet reae e eei ertet sii Locking Settings e Assign Custom Name Contents Lexicon 7 Using DG 2 ETI
48. casionalbursts of rear steered material and by identifying the directional orientation of the background sound between strong sounds Whenever there is an indication that the source was originally surround encoded the Soundstage control automattically reverts to the REAR setting which gives the rear speakers full level The NEUTRAL position attenu ates the rear speakers 3dB The FRONT position attenuates the rear speakers 6dB The effect is to move the listening position forward in the listening space SPEECH DETECT activates a circuit that distinguishes monaural speech from other inputs Essentially this control turns down the effect to make speech clearer Whenever stereo signals are present the right and left input channels are used independently as inputs to the ambience synthesis If there is a strong monaural speaking voice present at the same time this 43 PCM Effects and Parameters Lexicon component of the input to the effect is reduced while the stereo component is increased If the input signal is pure monaural speech the reverb is almost entirely attenuated SPEECH DETECT is a real benefit to some popular music where spoken voice such as rap occurs along with the music stereo television and early stereo movies Any stereo material which was not carefully mixed for Surround is a good candidate for playing through the Nightclub Concert Hall Church or Cathedral Effect with speech detect on SUBWOOFERLVL bo
49. d hold the MUTE button on the remote Make sure you do not block the infrared receiver on the DC 2 front panel The display will read FACTORY PRESETS MENU EXIT Press V to highlight RESTORE DEFAULTS then press SELECT This will clear and reload all preset effects and all factory settings of Volume Balance Contrast Configuration etc When the message FACTORY DE FAULTS RESTORED is displayed press DONE to return to normal opera tion In the main menu press SELECT to open the Equalization menu which contains Bass Treble and Tilt controls and a Loudness parameter EQUALIZATION MENU Adjust with Aor W 6 0 to 6 0dB 6 0 to 6 0dB 3 0dB to 3 0dB Bass and Treble level controls are provided to compensate for inconsisten cies in source material rather than variations in room conditions The BASS LEVEL control allows a boost or cut of as much as 6dB below 250Hz The TREBLE LEVEL control allows a boost or cut of 6dB above 1 5kHz To select either control for adjustment use A or Y to selectthe control press SELECT and use A or V to adjust the setting These controls do not affect the sound of rear or side speakers Restore Factory Defaults Equalization MAIN MENU EQUALIZATION Bass and Treble Level 11 System Configuration Lexicon Bass Tone Control
50. d on speaker distance Off 1 to 60ms 30ms in software Version 3 CAL NOISE SPEAKER ANGLE LISTENER POS L___ ___R L___ ___R The Speaker Distance control automatically sets the appropriate time delays for all of the loudspeakers in a system Although this adjustment is nota substitute for proper speaker placement it will help to ensure accurate signal arrival times from all channels at the listening position To set up Speaker Distance you must physically measure the distance from the primary listening position to the front baffle of each individual speaker in your system An easy and accurate way to accomplish this is to have a person sit in the primary listening position holding the end of a measuring tape while a second person extends the tape measure to the front baffle of each speaker in turn To enter these values select SPEAKER DISTANCE in the Listener Position menu and press SELECT Use A and V to highlight feet or meters and press SELECT Press SELECT again to highlight NEAREST SPKR Use A and V to enter the actual distance then press DONE 28 DC 2 Digital Controller System Configuration Once you have entered the distance to the nearest speaker the DC 2 will automatically calculate the maximum allowable distance The display will show all of the speakers each with a default distance setting equal to your nearest speaker Use SELECT and A and Y to highlight and enter actual distances for each speaker
51. deo Signal to Noise Ratio 70dB Bandwidth 10MHz 90 250 VAC 50 60Hz 35 Watts universal input IEC detachable power cord Dimensions 17 3 W x 11 5 D x 3 6 H 440 x 292 x 92mm Rack mounted 19 0 W x 11 5 D x 3 5 H 483 x 292 x 89mm Weight 11 25 lbs 5 11kg Operating Temperature 32 to 95 F 0 to 35 C Storage Temperature 22 to 167 F 30 to 75 C Relative Humidity 95 max without condensation Hand held battery powered infrared remote control unit uses 2 AA batteries Specifications subject to change without notice 59 Installed by Installation Worksheet Model Serial Gain Audio In Trigger Gain Audio In Trigger Gain Audio In Trigger Gain Audio In Trigger Gain Audio In Trigger Gain Audio In Trigger Gain Audio In Trigger Gain Audio In Trigger OSD Position Name Video In L enabled disabled Name PCM FX Video In L enabled disabled Name FX Format Rec Zone2 PCM FX Video In L enabled L disabled Name FX Format Rec Zone2 PCM FX Video In LC enabled L disabled Name FX Format Rec Zone2 PCM FX Video In L enabled L disabled Name FX Format Rec Zone2 PCM FX Video In enabled L disabled Name FX Format Rec Zone2 PCM FX Video In C enabled L disabled Name FX Format Rec Zone2 PCM FX Video In L enabled L disabled bottom cent
52. ding Without this re equalization many films and some television programs will sound too bright REAR DELAY OFFSET is an additional delay added to the rear channels when listening to LOGIC 7 and MUSIC SURROUND This delay increases the apparent size of the listening space by increasing the rear delay time Feel free to experiment to find the setting that works best REAR LEVEL controls the volume level of the rear speakers Although we have selected a default value the correct setting will vary with each recording the room and your personal taste SIDE LEVEL controls the output level of the side speakers Use this control in conjunction with SURROUND LEVEL to achieve the optimum balance between the side and rear speakers SUBWOOFER LVL boosts or cuts the subwoofer output level Although the normal subwoofer level is set during the calibration procedure with some recordings it may be desirable to increase or decrease this deep bass level SURROUND EX available as of software version 4 extracts and repro duces the additional rear channel mixed into SURROUND EX encoded soundtracks This parameter is automatically set to ON when both SIDE and REAR speakers are selected in the SPEAKER CONFIGURATION menu and will not operate unless SIDE and REAR speakers are selected SURROUND EX decoding can be engaged during playback of non SUR ROUND EX encoded 5 1 material however the information delivered to the rear channels may not be pleasing
53. dtrack The information appears as F S LFE where F the number of front channels and S the number of surround channels LFE 1 if the LFE channel is on For example a given source may display 3 2 1 indicating that the source was mixed with3 front channels 2 surround channels and the LFE channel When the designation 1 indicates that the LFE channel is on as in our example a level meter at the bottom of the display will show LFE channel activity Note that there may be instances where the LFE channel is on but no activity shows in the meter display REF OFFSET indicates the Dialog Normalization value that is present in AC 3 bitstreams In AC 3 dialog is reproduced at 31dBFS 31dB below full scale If the program material was mixed so that dialog is at 31dBFS then REF OFFSET 0dB If the dialog was mixed at a hotter level for example 27dBFS then REF OFFSET 4dB and the DC 2 would adjust the levels down 4dB to bring dialog back to 31dBFS AC 3 Status Display AC 3 STATUS MATRIX ENCODED NO 45 AC 3 Effects and Parameters Lexicon 5 1 2 Channel This Effect mixes Dolby Digital 5 1 information for two channel playback These soundtracks can be recorded onto two channel formats or played back through left and right front speakers The mix is designed to play back with full surround when decoded through Logic 7 In mixing a film with very heavy use of the Low Frequency Effects Channel it may be desirable to lo
54. e controls for later reference Note on External Noise Calibration Select INTERNAL NOISE TEST or EXTERNAL NOISE TEST from the Output Levels menu The INTERNAL NOISE TEST automatically disconnects all audio and video inputs disables any EQ functions centers the Balance controls and sets the system volume to 00dB The test signal circles the room according to the speaker configuration you have defined in the Speaker Configuration menu For a full complement of speakers the order is Left Front Center Right Front Right Side Left Side Subwoofer Right Rear Left Rear The EXTERNAL NOISE TEST loads the Pro Logic Dolby Digital or DTS Music effect and uses the signal from the currently selected input for calibration Once a test source is selected a sub menu showing each output level is displayed Use the A and W buttons to highlight an output for adjustment Press SELECT to stop the cycling of the noise signal then use A and V to adjust the selected output level in precise 0 5dB increments from 10dB to 10dB OUTPUT LEVELS MENU Adjust with A or Y LEFT FRONT CENTER RIGHT FRONT RIGHT SIDE RIGHT REAR LEFT REAR LEFT SIDE SUBWOOFER These selections will not be active if NONE is selected in the Speaker Configuration menu 10dB to 10dB Using a Sound Pressure Level Meter such as Radio Shack model 33 2050 or 33 2055 set the weighting to C and the response to Slow Adjust all output levels to achie
55. e of the inability of the subwoofer and its associated amplifier to reproduce these levels without clipping SUB PEAK LIMITER Adjust with A or V 5dB to 35dB The DC 2 provides a Subwoofer Peak Limiter that prevents the subwoofer signal level from exceeding a preset value The limit is factory preset to a level of 15dB This setting can be changed within the limiter s operating range of 5dB to 35dB with 5dB providing maximum limiting To turn off the limiter or to change its setting select the SUB PK LIMITER parameter in the Output Levels menu If you want to turn the limiter off first turn the system volume down in order to prevent the subwoofer from overloading Press W to select LIMITER then press SELECT Press W to select OFF Press DONE twice to return to the Output Levels menu While readjusting the system volume back to a comfortable listening level check to be sure the subwoofer or its amplifier is not overloading on passages with loud low frequency peaks Selecting LIMITER ADJUST in the Sub Peak Limiter menu invokes a calibration routine for setting the optimal peak level for your installation Pressing SELECT routes low frequency calibration noise to the subwoofer output of the DC 2 A two line display indicates the LIMITER LEVEL setting in dB on the top line witha bar at the bottom to indicate relative noise level Press A and Y to adjust the noise level to the highest level that your equipment can reproduce withou
56. e system Parameter Initial Value CENTER LEVEL 0 15 SIDE LEVEL OFF 30GB to 05dB REAR LEVEL OFF 30GB to 05dB SUBWOOFER LVL OFF 30GB to 05dB CUSTOM The 2 Channel effect allows you to use your system for traditional two 2 Channel channel playback Parameter Initial Value SUBWOOFER LVL OFF 30dBto 05dB CUSTOM Music Surround is a surround effect developed specifically for classical Music Su rround music listening It makes full use of additional loudspeakers placed at the center sides and rear of the room This effect uses ambience extraction for the side and rear speakers Parameter Initial Value Range CENTER LEVEL 16 0 30 SOUNDSTAGE NEUTRAL FRONT NEUTRAL REAR 5 SPEAKER ENHANCE ON OFF BASS ENHANCE ON OFF SURROUND ROLLOFF 453Hz 20 0kHz REAR DELAY OFFSET 0 20ms SIDE LEVEL OFF 30dB to 05dB REAR LEVEL OFF 30dB to 05dB SUBWOOFER LVL OFF 30dBto 05dB EFFECT LEVEL 30 to 05dB CUSTOM 37 PCM Effects and Parameters Lexicon Music Logic Logic 7 Music Logicis a surround effect developed specifically for music listening It makes full use of additional loudspeakers placed at the center sides and rear of the room and provides a slight amount of steering for the front channels Parameter Initial Value CENTER LEVEL 16 0 30 0 00B 3 0dB 6 0dB OFF 1 2 FILM MUSIC FRONT NEUTRAL REAR VOCAL ENHANCE 3 0dB FRONT S
57. e available as settings for the 3dB point For any 5 1 channel inputs selecting SMALL routes the low frequency information to the subwoofer output Selecting NONE mutes the rear outputs and directs all surround informa tion to the side outputs 24 DC 2 Digital Controller System Configuration Use of the subwoofer output is specified here Selecting YES then pressing SELECT allows you to display and adjust the crossover frequency for the subwoofer output All summing and filtering is performed in the digital domain You can select four different crossover points OFF 40 80 or 120Hz for the subwoofer Although you can bypass the crossover and run a full range output if your subwoofer has an internal crossover it is generally best to use the crossover in the DC 2 NO mutes the subwoofer output and disables the Subwoofer Level param eter For any 5 1 channel input selecting NO routes the LFE 1 channel to any front speaker set to LARGE Selecting THX CONFIG from the SPEAKER SETUP menu automatically sets the speaker selections to the traditional configuration for THX listening This configuration automatically sets REARS to NONE and all of the filters to 80Hz This configuration is not adjustable Selecting SURROUND EX from theSPEAKER SETUP menu available only in software Version 4 automatically sets the speaker selections for a THX SURROUND EX setup with two side and two rear speakers and with all filters set to 80
58. ected under AUDIO IN this control is automatically set to OFF 15 System Configuration Lexicon Input Level Meters INPUT GAIN CD MANUAL 00dB 1 n A PEAK LEVEL 15 0dB The input level meters are displayed when you select the GAIN parameter for an active input which has been selected in the Setup menu Input Name Restore Input Name Input Effect FX Assignment When GAIN is selected two on screen horizontal bar meters display peak incoming signal level The highest peak level is shown in dB in a separate text line and as an arrow in the the meter display White yellow and red sections of thebar meter show increasing levels The white portionis shown in 3dB increments the yellow and red portions are shown in 1 5dB incre ments An enlarged block at 21dB indicates the reference level used with a Dolby calibration tone source The peak level display can be refreshed by pressing DONE to exit then pressing SELECT to return to the display Each input has an associated name which is displayed during normal operation whenever the input is selected The default names correspond to the labels on the DC 2 remote control and the front and rear panels These names can be customized to more accurately reflect your system configura tion To assign a new name up to 8 characters for an input select NAME from the Input Configuration menu and EDIT INPUT NAME from the sub menu The display will
59. ects the DTS MUSIC effect To go back to the effect selected as a default simply press the input button As the DC2 is in AUTOMATIC mode there may be a brief burst of noise before normal playback begins DC 2 Digital Controller System Configuration If PCM ONLY is selected as the FX FORMAT for a given input only PCM effects in the DC 2 can be used When the DC 2 receives a signal which is not PCM encoded it will mute and display NO PCM AUDIO In the previous example if PCM ONLY had been selected rather than AUTOMATIC the DC 2 would have muted and displayed NO PCM AUDIO when the AC 3 movie and the DTS music disc were being played When AC 3 ONLY is selected as the FX FORMAT only AC 3 effects can be used on thatinput Any othertypeofsignal received onthatinput will cause the DC 2 to mute and display NO AC 3 AUDIO TheFX A and Y buttons willselect only AC 3 effects This is recommended for any input which will be used only for AC 3 playback In our example selecting AC 3 as the FX Format setting would have caused the DC 2 to mute and display NO AC 3 AUDIO when the Dolby Surround movie and the DTS music disc were played When the laser disc was paused the DC 2 would have muted rather than automatically selecting the PCM effect Logic 7 When DTS ONLY is selected as the FX FORMAT only DTS effects can be used on that input Any other type of signal received on that input will cause the DC 2 to mute and display N
60. ed by the DC 2 which automatically loads the Logic 7 effect because in this example AUTOMATIC is selected as the setting of FX FORMAT and LOGIC 7 is selected as the PCM FX in the INPUT CONFIG menu Because the laser disc is paused there is no audio When PAUSE is released playback is resumed and the DC 2 automatically reselects the DOLBY DIGITAL effect because it was the last effect selected before the audio was paused To go back to the default effect simply press the input button Now the movie is replaced with a 5 music disc that is encoded in DTS When the disc begins to play the LDD 1 recognizes that it is not AC 3 encoded and automatically routes the signal to the DC 2 The DC 2 recog nizes the DTS signal and automatically loads the DTS LOGIC 7 effect The FX A and Y buttons are used to audition the other available DTS effects and DTS MUSIC is selected At some point the skip button on the laser disc player is pressed several times to advance to a different track This causes the laser disc player to temporarily replace the DTS output signal with a PCM signal while it searches for the selected track This change is recog nized by the DC 2 which automatically loads the Logic 7 effect because in this example AUTOMATIC is selected as the setting of FX FORMAT and Logic7 is selected as the PCM FX in the INPUT CONFIG menu Because the disc player is searching there is no audio When playback is resumed the DC automatically resel
61. er l top FX Format Rec Zone2 Status PCM FX FX Format Rec Zone2 Auto _ Analog Auto LI Analog Auto LI Analog Auto CI Analog Auto C Analog Auto C Analog Auto CI Analog Auto CI Analog AC 3 FX AC 3 FX AC 3 FX AC 3 FX AC 3 FX AC 3 FX AC 3 FX AC 3 FX DTS FX PCM AC 3 L Digital O DTS FX PCM AC 3 L Digital L DTS FX PCM AC 3 L Digital O DTS FX PCM AC 3 C Digital DTS FX PCM AC 3 C Digital DTS FX PCM AC 3 C Digital DTS FX PCM AC 3 C Digital DTS FX PCM AC 3 C Digital always on 2 sec time out DTS Blocked DTS Blocked DTS Blocked DTS Blocked DTS Blocked DTS Blocked DTS Blocked DTS Blocked always off Calibrate Panorama Speaker Listener Angle Output Level Speaker Distance Nearest Speaker L Front Center R Front R Side R Rear L Rear L Side Sub Listener Position Speaker Configuration circle selection gt te su feo 00 00 centen xe sw pone 2o oo s js err STD DIP STD DIP sm None E Sub Pk Limit Mute Level Pwr On Vol Z 2 Pwr On A V Sync Delay
62. er of any system As such there are separate outputs for easy integration of external recording devices as well as an additional zone in multi room installations The Record and Zone 2 outputs on the DC 2 are wired in parallel so that the input selection will always be the same for both For example if the CD input is selected for Record the CD input is also output to Zone 2 The primary difference between the Record and Zone 2 outputs is that Zone2 has its own volume control while the Record output level is fixed As protection against feedback the TAPE and VCR inputs are normally blocked from being used as sources for the Record and Zone 2 outputs This default condition can be changed in the Input Configuration menu as follows Use A and Y to select REC ZONE 2 then press SELECT The A and Y buttons will select ANALOG DIGITAL or BLOCKED as the state of the Zone 2 output ANALOG allows maximum flexibility from digital sources by utilizing both the digital and analog outputs of a digital source component provided both are connected The DC 2 processes the digital input signal for the main zone and simultaneously routes the analog input signal to the Record and Zone 2 outputs Since no D A converters are necessary for the analog input signal the functionality in the Main zone is not compromised DIGITAL routes the digital signal assigned to the input to the DC 2 s 24 bit Digital to Analog D A converters After conversion t
63. factory preset configuration shown below and that the LDD 1 is connected to COAX 2 on the DC 2 io ic NOTE When AUTOMATIC is se lected for an input and DTS soft ware is being used there may be a brief burst of noise before play back begins This is inherent in INPUT CONFIG V DISC DTS software and does notrepre senta problem with your DC 2 To avoid this set up an input as DTS only and use it exclusively for playback of DTS software 17 System Configuration Lexicon The DC 2 V DISC input is selected A movie encoded in Dolby Surround is putin the laser disc player and starts to play The LDD 1 recognizes that the movie is not AC 3 encoded and automatically routes the laser disc player s PCM 2 channel digital signal to the DC 2 The DC 2 identifies the signal as PCM and automatically loads the LOGIC 7 effect as specified in the INPUT CONFIG menu Now assume the movie is replaced with one that is encoded in Dolby Digital AC 3 When it begins to play the LDD 1 recognizes the signal as being AC 3 encoded and demodulates it for the DC 2 The DC 2 automati cally loads the 5 1 Logic 7 effect The FX A and Y buttons are used to audition the other available AC 3 effects and DOLBY DIGITAL is selected At some point during the movie the PAUSE button on the laser disc player is pressed This causes the laser disc player to temporarily replace the AC 3 output signal with a PCM signal This change is recogniz
64. fect uses a reverberation algorithm which differs from ambience in that it does not simulate the reflections of specific halls but emphasizes rich smooth reverberant decay in small and medium spaces It works well for simulating a space with a long reverberation time relative to its size such as a reverberant chamber or a church Parameter Initial Value CENTER LEVEL 7 0 15 SPEECH DETECT ON ON OFF MID RT 1 89 sec 89 13 42 sec BASS RT 2 36 sec 0 7 1 0 1 25xMID RT HALL SIZE 30 Meters 4 30 Meters PRE DELAY 24ms 0 88ms ROLLOFF 2 6kHz 453Hz 20 0kHz SUBWOOFER LVL OFF 30dB to 05dB EFFECT LEVEL 30 to 05dB CUSTOM Cathedral The Cathedral Effect uses a reverberation algorithm which emphasizes rich smooth reverberant decay in large spaces As its name indicates it works well for simulating a space with a long reverberation time relative to its size such as a cathedral Parameter Initial Value CENTER LEVEL 7 0 15 SPEECH DETECT ON ON OFF MID RT 3 90 sec 1 14 17 04 sec BASS RT 4 87 sec 0 7 1 0 1 25xMID RT HALL SIZE 38 Meters 20 38 Meters PRE DELAY 40ms 0 88ms ROLLOFF 2 6kHz 453Hz 20 0kHz SUBWOOFER LVL 00dB OFF 30dB to 05dB EFFECT LEVEL 01dB 30 to 05dB CUSTOM 36 portada PCM Effects and Parameters The Party effect allows unprocessed stereo signals to be played over all Pa rty speakers for background music or for maximum acoustical output of th
65. gned when it cleared final Quality Control at the factory If you cannot solve functional problems through these procedures consult your dealer or Lexicon Customer Service DO NOT OPEN THE UNIT DOING SO WILL VOID YOUR WARRANTY AND MODIFICATIONS MAY RENDER THE UNIT UNSERVICEABLE Routine Maintenance Restoring Defaults 57 Specifications Inputs Outputs Audio Video Power Requirements Environment Remote Control Specifications Audio 8 stereo RCA pairs Video 5 composite RCA 5 S video Digital 8 5 coaxial RCA 3 optical TosLink conforms to IEC 958 S PDIF standards Audio 8 outputs Left Center Right L amp R Sides L amp R Rears Subwoofer RCA Video 2 composite RCA 2 S video A D Conversion 24 bit Delta Sigma D A Conversion 24 bit Delta Sigma Frequency Response 10 Hz 20 kHz 0 2dB 0 3dB referenced to 1kHz THD Noise Less than 0 005 1kHz Dynamic Range 100dB minimum 22kHz bandwidth referenced to 1kHz 60dB below maximum output level Signal to Noise Ratio 100dB minimum 22kHz bandwidth referenced to 1kHz at maximum output level Input Level 2 Vrms for maximum output with Input Gain 0 dB 200mV rms for Dolby level Input Impedance 100 kQ in parallel with 150pF Output Level 6Vrms System Volume 12dB Output Impedance 100Q in parallel with 150pF NTSC M PAL and SECAM compatible Output Level 1 V peak to peak Impedance 750 Vi
66. h appears on your component alerts you to the presence of uninsulated dangerous CAUTION alerts you to important operating and maintenance voltage inside the enclosure voltage that may be RISK OF ELECTRIC SHOCK instructions in this accompanying literature sufficient to constitute a risk of shock DO NOT OPEN Adhere to all warnings on the unit and in the operating instructions Take precautions not to defeat the grounding or polarization of the unit s power cord Do not overload wall outlet extension cords or integral convenience receptacles as this can result in a risk of fire or electrical shock Route power supply cords so that they are not likely to be walked on or pinched by items placed on or against them paying particular attention to cords at plugs conveneince receptacles and the point at which they exit from the unit The unit should be cleaned only as recommended by the manufacturer Communications Notice This equipment generates and uses radio frequency energy andif not installed and used properly thatis in strict accordance with the manufacturer s instructions may cause interference to radio and television reception It has been type tested and found to comply with the limits for a Class B computing device in accordance with the specifications in Subpart B of Part 15 of FCC Rules which are designated to provide reasonable protection against such interference in a residential installation However there is no guarantee that
67. he exterior surfaces of the unit Do not use alcohol benzene or acetone based cleaners or any strong commercial cleaners Do not use abrasive materials such as steel wool or metal polish If the unit is exposed to a dusty environment a low pressure blower may be used to remove dust from the DC 2 exterior If severe power surges or sags cause problems with normal DC 2 operation or you simply want to start with a clean slate you can restore all of the factory defults with the following procedure This will erase any programs you have stored as well as all setup and calibration values Note any settings you want to re use before proceeding Turn the DC 2 OFF with the remote Turn the unit back ON and immedi ately press and hold MUTE on the remote Make sure you do not block the infrared receiver on the DC 2 front panel The on screen display will read FACTORY PRESETS MENU EXIT RESTORE DEFAULTS If you want to resume normal operation without restoring all defaults this is your last chance Use MENU A or V to highlight EXIT then press SELECT To restore defaults use MENU A or V to highlight RESTORE DEFAULTS then press SELECT This will clear and reload all preset effects and all factory settings of Volume Balance Contrast Configuration etc When the message FACTORY DEFAULTS RESTORED is diplayed press DONE toreturn to normal operation All of the adjustable parametersin the DC 2 have now been reset to the values assi
68. he signal is sent to the Record and Zone 2 outputs As this setup bypasses the D A convert ers in the source component and utilizes the 24 bit D A converters in the DC 2 sound quality can be dramatically improved when recording or listening in Zone 2 Note however that this setup automatically loads the appropriate 2 Channel effect in the main zone BLOCKED simply blocks the input from being sent to the Record and Zone 2 outputs This prevents feedback from occurring with devices that have both an input and output attached to the DC 2 Tape deck VCR etc Record Zone 2 functions can be accessed from the DC 2 front panel or the remote control In either case press and hold Record Zone 2 while pressing one of the following buttons ON Turns on the Zone 2 outputs lights the red Record Zone 2 front panel LED and redirects the current main zone input to the record zone 2 outputs From Standby turns the unit on selects the last used Zone 2 input turns Record Zone 2 NOTE When listening to DTS ma terial from a source component DTS digital data is also sent out of theanalogoutputs DTS data which sounds like loud pink noise may cause damage to a system NOTE Removing the block from any input which has both an input and output attached to the DC 2 may cause damaging feedback Record Zone 2 Controls 21 System Configuration Lexicon Zone 2 volume on to the value selected in the OUTPUT LEVELS
69. iewing To adjust this display press the A Y or SELECT buttons on the Remote to enter the Main Menu Press V twice to select DISPLAY ADJUST Press SELECT to highlight the Display Adjust Menu Press V to select FRONT PANEL DISPLAY DISPLAY ADJUST MENU FRONT PANEL DISPLAY To adjust contrast use SELECT to highlight CONTRAST ADJUSTMENT and A or V to set the contrast of the display to its maximum as seen from your listening position Press DONE twice to return to the main menu FRONT PANEL DISPLAY Adjust with A or Y ALWAYS ON 2 SECONDS ALWAYS OFF f you want to turn the front panel display off use SELECT to highlight STATUS then use A or V toselect ALWAYS OFF With software Version 4 you can select 2 SECONDS which will cause the display to shut off automatically two seconds after a command is received Press DONE twice to return to the main menu In addition to the front panel display the DC 2 contains a character genera tor for a video overlay display on monitors Since the on screen display is capable of showing the full menu of options available at any point calibra tion of the system is faster and easier if the DC 2video output is connected to a video monitor Adjustments to the on screen display are made from the Display Adjust menu To display this menu press the A V or SELECT buttons on the Remote to enter the Main Menu Press W twice to select DISPLAY ADJUST Press SELECT to enter the Display Adjust menu P
70. ig s ttes direkte i apparatet Apparatet m ikke uds ttes for regn eller fugt og m ikke bruges i n rheden af vand for at undg risiko for elektrisk st d og brand Apparatet m aldrig bruges hvis det er blevet st dt beskadiget eller v dt eller hvis ndringer i ydelsen tyder p at det tr nger til eftersyn Dette apparat m kun bnes af fagfolk Hvis d kslet tages af uds ttes man for livsfarlig hojspeending Denne m rkat p komponenten advarer om vigtig drifts og vedligeholdsinformation i den tilh rende litteratur AN Denne m rkat p komponenten advarer om uisoleret farlig sp nding i apparatet h j nok til at give elektrisk st d Norsk Viktig informasjon om sikkerhet Ta vare p denne veiledningen for senere bruk F lg alle anvisningene og advarslene som er angitt p apparatet Apparatet skal alltid anvendes med korrekt spenning Produktbeskrivelsen inneholder spesifikasjoner for str mkrav V r oppmerksom p at det ved ulike driftsspenninger kan v re n dvendig bruke en annen ledning og eller st pseltype Apparatet skal ikke monteres i skap uten ventilasjon eller direkte over varmeproduserende utstyr som for eksempel kraftforsterkere Den maksimale romtemperaturen som st r oppgitt i produktbeskrivelsen skal overholdes Apparatet er utstyrt med ventilasjons pninger For at apparatet skal v re p litelig i bruk og ikke overopphetes m disse pningene ikke blokkeres eller tildekkes
71. k yt ss ei saa ylitt tuotespesifikaation maksimil mp tilaa Kotelo on varustettu tuuletusreiill ja aukoilla Luotettavan toiminnan varmistamiseksi ja ylil mpenemisen v ltt miseksi n it aukkoja ei saa sulkea tai peitt Mit n esineit ei saa ty nt tuuletusaukkoihin Mit n nesteit ei saa kaataa yksikk n l kytke audiotehovahvistimen l ht j suoraan mihink n yksik n liittimeen S hk iskun ja palovaaran v ltt miseksi yksikk ei saa olla sateessa tai kosteassa eik sit saa k ytt m r ss ymp rist ss l k yt yksikk jos se on pudonnut vaurioitunut kostunut tai jos sen suorituskyky on huomattavasti muuttunut mik vaatii huoltoa Yksik n saa avata vain laitteeseen perehtynyt huoltohenkil Kansien poisto altistaa sinut vaarallisille j nnitteille s hk iskuvaaran T m kolmio joka esiintyy komponentissasi kertoo sinulle ett t ss tuotedokumentoinnissa esiintyy t rkeit k ytt ja yll pito ohjeita T m kolmio joka esiintyy komponentissasi varoittaa sinua erist m tt m n vaarallisen j nnitteen esiintymisest yksik n sis ll T m j nnite saattaa olla riitt v n korkea aiheuttamaan Svenska Viktiga s kerhetsf reskrifter Spara dessa f reskrifter f r framtida bruk F lj alla anvisningar och varningar som anges p enheten Anv nd alltid r tt n tsp nning Se tillverkarens bruksanvisningar f r infor mation om effek
72. le lock Select input for Record Zone 2 outputs Zone 2 volume to 20dB Zone 2 volume to 30dB Master volume to 30dB Master volume to 20dB aso Race Digi al Cont oier 0309 EFFECTS 2000 Zone 2 outputs ON Display STATUS menu Press DONE to exit Press and hold with buttons shown to access Record Zone 2 controls Zone 2 volume adjust Zone 2 mute ON OFF Zone 2 volume to 10dB Zone 2 volume to 00dB Master volume to 10dB Master volume to 00dB Installation Lexicon Connection Location Considerations AC Connections The DC 2 is a highly specialized signal processing computer and requires special care during installation to ensure optimum performance The DC 2 may be installed on a shelf or in a standard 19 equipment rack using an optional rack mount kit available from Lexicon dealers Observe the following precautions Select a dry well ventilated location out of direct sunlight Donotstack the DC 2 directly above heat producing equipment such as power amplifiers Avoid placing the DC 2 near unshielded TV or FM antennas cable TV decoders or other receivers The DC 2 may interfere with some FM tuners if itis placed immediately above or below them Some products particularly power amplifiers may cause hum if they are in close proximity Make sure the DC 2 front panel IR receiver window is unobstructed The remote control must be in
73. me bar and level in dB unless the front panel display is turned off with the remote control Installation Lexicon The Rear Panel CAUTION Never make or break any connections to the DC 2 with the rear panel power ON Make sure any associated amplifiers are turned off before turning this master power switch on or off LEXICON INC ASSEMBLED IN U S A 100 240V 50 60 Hz SERIAL NO S VIDEO VIDEO TAPE TUNER CD AUX 0 0 0 0 1 AUDIO INPUTS Eight stereo analog audio in puts are switched with corre sponding video inputs and fed to the Monitor outputs Inputs are nominally labeled as origi nating from an audio tape player tuner CD player an unspecified auxiliary source a TV tuner a Laser or Video Disc player a DVD player and a VCR 2 ZONE2 and RECORD Each pair of stereo audio outputs supplies the same signal according to the Record Zone 2 input selec tion Zone 2 output levels can be controlled independently for use with amplifiers and speakers in another room Record can be expanded to two outputs using standard Y connectors Both outputs are muted in Standby TV V DISC DVD VCR 0 0 3 MAIN OUTPUTS Three stereo amplifier out puts are provided for front side and rear speakers Single monaural outputs are provided for the center speaker and the subwoofer The audio outputs are muted in Standby 4 IR Input PWR and PGM TRIGGERS The IR input is an 1 8 mon
74. menu and engages full mute in the main zone OFF Turns off the Zone 2 outputs and the associated front panel LEDs OSD ON Displays a STATUS menu for the current input Press Done to exit VOL A and V Displays then adjusts the current Zone 2 volume level Activated displays FP or OSD will show level and a bar guage When Zone2 mute is engaged these controls adjust volume without disengaging Zone 2 mute Mute Engages Zone 2 mute and reduces the Zone 2 volume level to 80db Pressing again restores volume to its previous level SELECT and DONE remote control only Displays then adjusts Zone 2 left right balance Activated displays FP or OSD will show bar guage VCR DVD V Disc TV AUX CD Tuner and Tape Selects the Record Zone 2 input and lights the corresponding front panel input LED unless the input is blocked From Standby the input is selected with full mute engaged in the main zone Dolby THX Logic 7 and DTS These controls sets the Zone 2 volume level to the following levels Dolby 30dB THX 20dB Logic7 10dB DTS 00dB 2 CH Party TV M andMusic These controls sets the master volume level to the following levels When Zone 2 mute is engaged these controls set the Zone 2 volume level without disengaging mute 2CH 30dB Party 20dB TVM 10dB Music 00dB 22 DC 2 Digital Controller System Configuration This menu item assigns the status for the programmable PGM trigger
75. o phone jack connector for in put of IR data from any indus try standard IR source Data is retransmitted by an IR LED mounted near the front panel IR receiver Two trigger outputs are pro vided on 4 pin removable screw terminals and a 5 pin DIN connector as shown in the expanded illustration above The PWR trigger is high when the DC 2 is on low in standby or when the unit is off The PGM trigger can be enabled high or disabled low for specific input selec tions in the Input Configura tion menu High is indicated by either 12VDC or 5VDC selectable via an internal jumper Factory configura tion is 12V S PDIF INTPUTS SIDE CENTER FRONT e e MAIN OUTPUTS 5 VIDEO INPUTS and OUTPUTS Five video input sources are provided Video inputs are selected based on selections made in the INPUT CONFIG menu and fed to the selected monitor output jack Record output jacks can be selected independently RCA composite and S video connectors are pro vided for monitor and record If an S video input is used both S video and composite are available at each output If the video input is compos ite only composite is avail able at each output The monitor output incorporates the on screen video overlay Unless RECORDis enabled the record output follows the monitor output selection with outthe on screen display fea ture Both outputs are off in Standby TRIGGERS TRIGGERS TRIGGERS IRIN
76. onal steps recommended to safeguard the settings First document your adjustments using the table found at the end of this manual Second consider locking the settings so that they cannot be inadvertently changed The last item in the Setup menu allows you to lock the DC 2 settings as well as to change the name displayed during power up Locking the settings allows full operation of the unit but prohibits the ability to change effect parameters or setup values Specifically with the settings locked the unit will allow any Parameter or Setup menu to be displayed but attempting to select any item for adjustment will display the message SETTINGS ARE LOCKED In order to prevent accidental changes select the SETTINGS parameter and use A to select LOCKED A higher level of security can be achieved by simultaneously pressing Record Zone 2 on the remote then pressing FX V with SETTINGS selected Repeat to release lock When the DC 2 is first turned on it displays a copyright notice with the current software version You can chooseto have it display CUSTOMIZED FOR DEMONSTRATION with the word DEMONSTRATION scrolled in from right to left or you can replace the word DEMONSTRATION with a custom name of as many as 20 characters To assign a new name use A and V to highlight CUSTOM NAME Press SELECT and press A to turn this function ON then press DONE You will return to the Lock Settings menu with ASSIGN CUSTOM NAME highlighted Pressing SELECT
77. osts or cuts the subwoofer outputlevel Although the normal subwoofer level is set during the calibration procedure with some recordings it may be desirable to increase or decrease this deep bass level SURROUND LEVEL adjusts the loudness of the signals sent to the rear channels This control should be set so that the rear is audible without calling attention to itself Numerical values and screen graphics are dis played during adjustment The settings also affect the level of the side outputs SURROUND ROLLOFF allows the high frequencies of the surround chan nels to be attenuated with the same detection circuitry as that described for the Soundstage control The attenuation is quite attractive on many music and broadcast sources which were not mixed for surround When a sur round source is detected these filters are removed so the rear speakers can reproduce surround events with full bandwidth This control should be set high enough to give presence and airiness to the rear sound without placing distracting instrumental overtones or other sounds behind you The set tings also affect the side outputs SURROUNDS selects the type of surround decoding used by the DC 2 STEREO provides extraction of five channels of surround information from astandard 4 2 4 matrix encoded soundtrack Dolby Surround Ultra Stereo etc The drama ofthis effectis dependenton the source material and is most noticeable with strong stereo music soundtracks The DECORR
78. parameter if you startequidistant from the two front speakers even if this is not your normal listening position Once you have heard the effect and set the speaker angle the Listener Position parameter will allow you to move the effect to your customary listening position Move your head from side to side to find the position where the noise is full left and the right ear hears near total silence To set the Speaker Angle center yourself symmetrically between the two front speakers Turn CAL NOISE on and select LEFT ONLY The test signal should sound as though it is coming from off to your left side well beyond the left speaker with near total silence in your right ear Still facing forward move your head from side to side until the effect is strongest When you have found this sweet spot you will notice an almost physical sensation of j silence in your right ear Now select RIGHT ONLY Again shift your head from side to side to find the sweet spot this time looking for the point where the sound is strongest in your right ear Select LEFT AND RIGHT to determine if the sweet spots from the left and right tests coincide If they do not coincide return to the When calibrating right if your left earis SPEAKER ANGLE display If the first sweet spot is to the left of the second in the silent band the speaker angle is press A if it is to the right press V correct If your normal listening position is not centered between your two
79. r music videos Introduction Lexicon Using the Documentation Glossary of Terms The DC 2 can be easily integrated with the various types of loudspeaker systems currently available including those that are THX certified By adhering to the rigorous THX Ultra specification the DC 2 includes THX enhancements for optimizing playback of matrix encoded film soundtracks as well as Surround EX for those recorded in the Dolby Digital and DTS discrete formats These enhancements ensure that film soundtracks which are typically mixed for the acoustics of large theaters sound as the filmmak ers intended when played back in the relatively small environment of a home theater Because the DC is designed to be customized for your system and your listening space the information required for installation is extensive The Owner s Manual is designed to assist you in installing calibrating and operating the DC 2 Itshould be used in conjunction with the remote control when configuring the system to perform optimally in your environment This manual was written with the underlying assumption that the installer is familiar with audio video system installation An Installation Worksheet is provided at the end of this manual for documentation of the settings arrived at during the calibration procedure Although the DC 2 performs very complex signal processing a great deal of effort has gone into making the technology behind the effects as tran
80. remote control Controls are provided to accommodate virtually any system configuration and to allow for varying recording mixing and transmission styles as well as for system control from a second zone and for control by sophisticated automation systems Three versions of the DC 2 are available THX Dolby Digital and DTS The unit is internally configurable so upgrades can be progressively added to include all the features of the DTS version All versions of the DC 2 include NIGHTCLUB CONCERTHALL CHURCH and CATHEDRAL effects for creating an ideal custom listening environ ment as well as MUSIC LOGIC and MUSIC SURROUND which offer ambience extraction As these programs use the same Lexicon technology used by the overwhelming majority of professionals for adding ambience to their recordings you will find playback greatly enhanced by the DC 2 transporting you more deeply into the performance The DC 2 also recreates 5 1 channel soundtracks with stunning accuracy and takes them to a new level of realism with Lexicon s proprietary Logic 7 technology These effects allow you to expand 5 1 channel as well as two channel soundtracks for 7 1 and virtual 7 1 channel playback for an increased sense of spaciousness and envelopment The AC 3 and DTS versions of the DC 2 provide separate effects for listening to 5 1 channel music and down mixing 5 1 channels to two channels allowing you to fine tune the DC 2 for listening to 5 1 channel music o
81. ress SELECT to open the On Screen Display menu Display Adjustment MAIN MENU DISPLAY ADJUST The Video On Screen Display MAIN MENU DISPLAY ADJUST 13 System Configuration Lexicon Video Input Selection and the On Screen Display When using the Video Monitor output with the On Screen Dis play the DC 2 automatically puts up a blue or grey background when no video signal is present Occasionally an incoming video signal may be so weak that it is recognized as essentially no sig nal triggering the background overlay If this occurs reselect the input to view the weak signal DISPLAY ADJUST MENU ON SCREEN DISPLAY ON SCREEN DISPLAY wor This menu allows you to choose the position and duration of items dis played on screen during normal operation as well as the options of color or black and white display and conformance to local video format Adjust with A or V Adjusting the position allows you to move the DC 2 display items to a location where they will not interfere with any other video overlays or signals your system may generate The STATUS option allows you to choose to have the on screen display always off always on or on for a two second duration Note that if you choose to have the display time out this will not affect the display of the main menu Note also that parameter changes will still be performed when you make adjustments with A or V
82. roller REAR DELAY OFFSET is an additional delay added to the rear channels This delay increases the apparent size of the listening space by increasing the rear delay time Feel free to experiment to find the setting that works best REAR LEVEL controls the volume level of the rear speakers Although we have selected a default value the correct setting will vary with each recording the room and your personal taste REAR ROLLOFF sets the frequency above which the rear channel sound is attenuated The appropriate setting will vary with the program material It should be set high enough to give presence and airiness to the rear sound without placing distracting instrumental overtones or other sounds behind you The settings also affect the side outputs ROLLOFF mimics the absorption of the air in the hall and typically should begin with a low frequency to simulate large spaces SIDE LEVEL controls the volume level of the side speakers Although we have selected a default value the correct setting will vary with each recording the room and your personal taste SIDE ROLLOFF provides a high frequency cutoff for the side speakers The optimal setting for this control will vary widely with the source material SOUNDSTAGE controls the level of the surround speakers relative to the front speakers in a dynamic way The DC 2 attempts to detect whether or not the sound source was originally encoded from a surround source by looking for oc
83. s and activate a corre sponding green LED on the front panel Depending onthe Setup configuration selection may also load a new effect 11 EFFECTS These controls select Dolby THX Logic 7 dts 2 Chan nel Party TV Matrix or Music playback The actual effectis determined by the format of the input signal Note When 2 Channel is engaged pressing the but ton again will turn it off Lexicon Installation You can access an additional set of controls with the DC 2 remote control by using the Shift key Alternate Remote Control Functions Using the Shift and Record Zone 2 buttons lexicon PGM trigger OFF Menu background OFF L R Balance adjust Press and hold with buttons shown to access these remote control functions Center balance and fader Loudness OFF Bass Treble and Tilt to 0 0 Treble level adjust ES fare Du DOzE Bass level adjust CONCERT HALL NIGHTCLUB PANORAMA creer 2 CHANNEL 4 00 o Accesses optional Expansion Ports PGM trigger ON Menu background ON Front Back fader adjust 5dB step master volume adjust Full mute ON OFF Tilt adjust Loudness ON Loudness OFF CHURCH CATHEDRAL MONO LOGIC MUSIC SURROUND DC 2 Digital Controller Installation Zone 2 controls are accessed by holding down the Record Zone 2 button Zone 2 outputs OFF Zone 2 L R Balance adjust In LOCK SETTINGS menu pressing with SETTINGS selected toggles doub
84. s that were recorded with much narrower and duller frequency response than current films AUTO AZIMUTH is short for auto azimuth error correction automatic input balance Auto Azimuth should be set to ON for films and OFF for music When ON special patented algorithms continually monitor the input signal and adjust both the relative level and time offset of the two channels to keep the dialog properly centered and special effects properly localized This automatic feature is the reason the unit does not need an input balance control for Dolby Surround decoding BASS CONTENT allows you to modify the bass content for Mono Stereo or Binaural recordings The BINAURAL setting turns the rear level parameter off and activates special low frequency compensation This feature is offered specifically for true binaural recordings made with a dummy head BASS ENHANCE derives stereo bass to provide low frequencies that are noticeably less localizable and more spacious in the playback room 40 DC 2 Digital Controller PCM Effects and Parameters Note that results will vary depending on room acoustics and the low frequency capacity of the surround speakers As side and or rear speakers are used for bass enhancement the effectiveness is improved with speakers capable of reproducing reproducing low frequencies LARGE Using speakers that are not capable of producing low frequencies 80Hz may cause damage to them BASS RT low frequenc
85. s to suit your own requirements To allow easy cutomization any parameter changes you make take effectinstantly and automatically become part of the Effect You can even change the name that appears on screen Once you have made the changes you want the Effect will remain as you have set it unless you alter it again or deliberately restore the factory preset parameter values Selecting CUSTOM from any Effect Adjust menu will give you access to the controls listed to the side and described below Use A and to highlight any menu item then press SELECT to open the submenu LISTEN CUSTOM PRESET lets you compare your edited version of an Effect with the original version as set at the factory When this control is selected A and V allow you to alternate between the preset and your modified version custom The display will confirm whether you are LISTENING TO CUSTOM or PRESET Note that this function is available even if you have not made any changes to an Effect Until you make parameter changes to create a custom version of a preset the LISTEN TO CUSTOM option will contain an exact duplicate of the preset Effect Exiting this menu restores the CUSTOM version Using DC 2 Effects MAIN MENU EFFECT ADJUST Customizing Effects CUSTOM MENU Comparing a modified Effect to the factory preset version 33 System Configuration Lexicon Restoring the original parameter values of an Effect Naming your c
86. spar ent as possible to the user To understand the overall organization of the unit it is helpful to define those few terms which are unique to the DC 2 AC 3 FX The term AC 3 FX Dolby Digital Effects is used to describe all of the effects which are compatible with Dolby Digital input signals Any AC 3 capable software and or source components should be labeled with a badge similar to the one on the DC 2 front panel AC 3 and DTS versions DTS FX Theterm DTS FX Digital Surround Effects is used to describe all of the effects which are compatible with DTS Digital Surround input signals Any DTS capable software and or source components should be labeled with a badge similar to the one on the DC2 front panel AC 3 and DTS versions Downmix describes the process of creating a two channel output from a multichannel 22 signal Downmixing is necessary to maintain compatibil ity between multichannel formats and devices such as Dolby Digital and DTS and two channel formats and devices such as stereo tape decks and VCRs Effect An effectis a configuration that determines how the DC 2will process an input signal The DC 2 can contain as many as 24 effects Panorama Nightclub Concert Hall Church Cathedral Party 2 Channel Music Surround Music Logic Logic 7 TV Matrix Pro Logic THX Cinema Mono Logic 5 1 2 Channel 5 1 Music 5 1 Logic 7 Dolby Digital THX 5 1 DTS 2 Channel DTS Music DTS Logic 7 DTS Film and DTS TH
87. sults will vary depending on room acoustics and the low frequency capacity of the surround speakers As side and or rear speakers are used for bass enhancement the effectiveness is improved with speakers capable of reproducing reproducing low frequencies LARGE Using speakers that are not capable of producing low frequencies 80Hz may cause damage to them CENTER MIX adjusts the level of the center channel applied to the two nnel downmix The appropriate value for film is 16 The appropriate value for music is 11 CENTER DLY SAMPLES adjusts the time offset of the center channel The appropriate value is 0 unless you know that the center channel is not properly timed as well as the amount by which it is off MASTER LEVEL adjusts the output level of the downmix This control should be set to 5dB unless the LFE is very heavy in which ase the level should be reduced LFE MIX LEVEL allows separate level attenuation of the LFE channel which is ultimately mixed to the subwoofer output As the bass from as many as five other channels is added to the LFE it can significantly raise subwoofer output levels and create the risk of damage to a system Careful adjustment of this parameter willallow you to achieve proper tonal balance and reduce the risk of damage DTS THX DTS Effect Parameters Including Surround EX 53 DTS Effects and Parameters Lexicon RE EQUALIZER equalizes the left center and right channel ou
88. t overload Be sure the limiter is set to ON before exiting Press DONE to exit and automatically set the limiter to the level you have selected Note that the Volume control is ac tive when utilizing external noise Subwoofer Peak Limiter Note that 00dB 85dB and 15dB 1000B in a properly cali brated system Note that the Sub Peak Limiter is separate from the Subwoofer level control in the Effect Adjust menus one setting does not affectthe other 27 System Configuration Lexicon Mute Level Power On Volume Zone 2 Power On Volume Setting Listener Position SETUP MENU LISTENER POSITION Speaker Distance This menu allows you to set the level of attenuation used whenever the DC 2 MUTE function is engaged In the Output Levels menu attenuation levels of 10dB 20dB 30dB 40dB and FULL are available This control in the Output Levels menu allows you to select the volume at which the DC 2 will power on You can choose from a range of 80 to 12dB or elect to have the system power on at the last level used LAST LVL This control in the Output Levels menu allows you to select the initial volume level for Zone 2 You can choose from a range of 80 to 12dB or elect to have Zone 2 power on at the last level used LAST LVL The Listener Position menu is used for setting the surround and center delays and calibrating the Panorama effect LISTENER POSITION Adjust with Aor Y base
89. t ups with a large angle between the L R main speakers Parameter Initial Value INPUT BALANCE Centered Full Left Full Right CENTER LEVEL 4 0 15 REAR ROLLOFF 4 9kHz 453Hz 20 0kHz REAR DELAY 10ms 0 32ms SURROUND LEVEL 0 32 BASS CONTENT STEREO MONO BINAURAL LOW FREQ WIDTH 25 to 425 SUBWOOFER LVL OFF 30dB to 05dB EFFECT LEVEL 0 62 CUSTOM The Nightclub Effect generates the appropriate early reflections for simula tionof many different intimate spaces and sends the reflections to the front side and rear speakers Parameter Initial Value CENTER LEVEL 9 0 15 SPEECH DETECT OFF ON OFF HALL SIZE 4 Meters 4 17 Meters LIVENESS 4 0 6 ROLLOFF SUBWOOFER LVL EFFECT LEVEL CUSTOM 9 7kHz 453Hz 20 0kHz OFF 30dB to 05dB 30 to 05dB Panorama Nightclub 35 PCM Effects and Parameters Lexicon Concert Hall The Concert Hall Effect generates the appropriate early reflections for simulation of many different halls and sends the reflections to all channels in addition to the direct signal in the main speaker This Effect is not appropriate for highly percussive music Parameter Initial Value CENTER LEVEL 8 0 15 SPEECH DETECT ON ON OFF HALL SIZE 30 Meters 20 30 Meters LIVENESS 4 0 6 ROLLOFF 3 3kHz 453Hz 20 0kHz SUBWOOFER LVL 00dB OFF 30dB to 05dB EFFECT LEVEL 01dB 30 to 05dB CUSTOM Church The Church Ef
90. tional Electrical Code ANSI NFPA No 70 1984 provides information with respect to proper Unit NEC Section grounding of the mast and supporting structure grounding of the lead in wire to an antenna discharge 810 20 unit size of grounding conductors location of antenna discharge unit connection to grounding Grounding Conductors H a NEC Section 810 21 electrodes and requirements for the grounding electrode See figure below PE PSA Ground Clamps Power Service Grounding Electrode System NEC National Electrical Code NEC Art 250 Part H Acknowledgements Manufactured under license from Dolby Laboratories Dolby Pro Logic AC 3 and the double D symbol are trademarks of Dolby Laboratories Confidential Unpublished Works 1992 1997 Dolby Laboratories Inc All rights reserved Manufactured under license from Lucasfilm Ltd U S patent numbers 5 043 970 5 189 703 and 5 222 059 Foreign patents pending Lucasfilm and THX are trademarks of Lucasfilm Ltd Manufactured under license from Digital Theatre Systems Inc U S Patent number 5 451 942 and other world wide patents issued and pending DTS and DTS Digital Surround are trademarks of Digital Theatre Systems Inc 1996 Digital Theatre Systems Inc All rights reserved OLucasfilm Ltd amp TM All Rights Reserved Surround EX is a jointly developed technology of THX and Dolby Labs Inc and is a trademark of Dolby Used under authorization Ground
91. tivate Zone 2 control with the On Off Input Selector Volume and Mute buttons Some sources are blocked because of the potential for feedback loops By default these are TAPE and VCR If a blocked source is selected amessage is displayed This source blocking can be changed in the INPUT CONFIG menu 4 EFFECT Displays the current effect then steps through the avail able effects 5 2 CHANNEL Engages the appropriate 2 Channel effect and lights the amber front panel LED TUNER TAPE Controls and Indicators The Front Panel LEXICON DC 2 COPYRIGHT 1999 REC ZONE 2 6 MUTE Attenuates the main audio outputs lights ared LED and displays a screen message to indicate mute is engaged The attenuation level can be set in the Setup Output Lev els menu 7 IR Receiver and LED The IR receiver has an asso ciated activity LED that lights green when valid IR signals are received and an LED that lights red to indicate clipping atthe inputs An IR input jack is available on the rear panel for receipt of hard wired sig nals The red LED remains illuminated when the unit is placed in standby EFFECT 2 CHANNEL MUTE OC fay DIGITAL THX SURROUN EX 8 Display A 2x20 backlit LCD displays the result of user action and the current status This dis play can be turned off with the remote control 9 VOLUME Provides volume adjustment of the main outputs Screen displays show a volu
92. tkrav M rkv l att andra matningssp nningar eventuellt kr ver att en annan typs n tsladd och eller kontakt anv nds Installera inte enheten i ett oventilerat stativ eller direkt ovanf r utrustningar som avger v rme t ex effektf rst rkare Se till att omgivningens temperatur vid drift inte verskrider det angivna v rdet i produktspecifikationen Beh llaren r f rsedd med h l och ppningar f r ventilering F r att garantera tillf rlitlig funktion och f rhindra verhettning f r dessa ppningar inte blockeras eller t ckas Inga f rem l f r skuffas in genom ventilationsh len Inga v tskor f r spillas p enheten Anslut aldrig audioeffektf rst rkarutg ngar direkt till n gon av enhetens kontakter F r att undvika elst t eller brandfara f r enheten inte uts ttas f r regn eller fukt eller anv ndas p st llen d r den blir v t Anv nd inte enheten om den har fallit i golvet skadats blivit v t eller om dess prestanda f r ndrats m rkbart vilket kr ver service Enheten f r ppnas endast av beh rig servicepersonal Farliga sp nningar blir tillg ngliga n r locken tas bort Denna triangel som visas p din komponent varnar dig om en oisolerad farlig sp nning inne i enheten Denna sp nning r eventuellt s h g att fara f r elst t f religger Denna triangel som visas p din komponent anger att viktiga bruksanvisningar och serviceanvisningar ing r i dokumentationen i fr ga A
93. tputs to match the overall frequency balance of the original recording Without this re equalization many films and some television programs will sound too bright REAR DELAY OFFSET is an additional delay added to the rear channels when listening to LOGIC 7 and MUSIC SURROUND This delay increases the apparent size of the listening space by increasing the rear delay time Feel free to experiment to find the setting that works best SUBWOOFER LVL boosts or cuts the subwoofer output level Although the normal subwoofer level is set during the calibration procedure with some record ings it may be desirable to increase or decrease this deep bass level REAR LEVEL controls the volume level of the rear speakers Although we have selected a default value the correct setting will vary with each recording the room and your personal taste SIDE LEVEL controls the volume level of the side speakers Although we have selected a default value the correct setting will vary with each recording the room and your personal taste SUBWOOFER LVL boosts or cuts the subwoofer output level Although the normal subwoofer level is set during the calibration procedure with some recordings it may be desirable to increase or decrease this deep bass level SURROUND EX available as of software version 4 extracts and repro duces the additional rear channel mixed into SURROUND EX encoded soundtracks This parameter is automatically set to ON when both SIDE and REA
94. trol center of the system selecting inputs and controlling the volume of all speakers in the system The following diagram shows a system with a tape deck an AM FM tuner a CD player with a coaxial digital audio output a satellite receiver with an optical digital output a DVD player and a VHS VCR This example shows the tape deck and VCR set up for recording and dual zone audio Actual system connections will vary widely depending onthe components used Consult your dealer for details on your particular requirements Installation Lexicon VIDEO DISC ital isi and SPEAKERS Out eed to Lexicon IP or PROCESOR gt Amplifiers PI pe silir INTPUFS Dd O Qe Qe g 2 5 z m gt 2 p 5 m PR Legend SUBWOOFER Audio Video CENTER Y Trigger 1 I r I I I I I I I I I I I I I I I I I I FRONTS lil o lt o Amplifiers and Speakers DC 2 Connections Inputsources should be connected directly to the DC 2 inputs Since TAPE TUNER and CD are audio only the video output will default to the video signal from VCR This allows TV or other video source viewing while different audio is playing but can be changed in the INPUT CONFIG menu Connect your main stereo amplifier to the DC 2 FRONT outputs Connect any additional amplifiers to the remaining outputs on the DC 2 side amplifiers to the SID
95. uch asan AM FM tuner to enjoy music from another source while viewing a video source Itisimportantto remember thatthe impedance characteristics of composite video and digital audio are different from analog audio You should only use cables specifically designed for video and digital audio Consult your dealer for recommendations The DC 2 has eight digital audio inputs five coax via RCA and three optical Digital Audio Connections via TOSLINK The digital inputs can be set up to be selected with any or all of the eight inputs via the Input Configuration menu Using the digital inputs will always provide superior performance Note that AC 3 ready laser disc and LD DVD players output Dolby AC 3 Ready Laser Disc and Digital AC 3 data from laser discs on a separate RCA jack in Radio LD DVD Players Frequency RF form To maintain the exceptional performance of the DC 2 an outboard demodulator is required to turn this RF signal back into a digital bitstream By performing the necessary demodulation outside the DC 2 the potential for RF interference is eliminated The Lexicon LDD 1 is an excellent example of one such device System Configuration Although the DC 2 memory is cleared before it leaves the factory itis good practice to restore the factory defaults with the following procedure before system configuration Turn the DC 2 OFF with the remote control Turn the unit back ON and immediately press an
96. under DISPLAY ADJUST ON SCREEN or FRONT PANEL menu or press and hold Record Zone 2 on the remote and press OSD ON to verify that audio is being received Check batteries to be certain that they are inserted correctly with proper polarity Make sure that the infrared sensor on the DC 2 front panel is not obstructed See If all else fails on the following page Make sure that signal is coming into the DC 2 Check the Status menu by pressing and holding Record Zone 2 on the remote then pressing OSD ON This menu will display input level meters and sample rate if applicable Increase VOLUME using the remote control and check Front Back and Left Right BALANCE Check the DC 2MUTE controls to make sure they are not engaged Check all other equipment settings and connections and verify that the amplifiers being fed by the DC 2 are operational Remember that the DC 2 mutes the output to any speakers which are not configured in theSetup menu If speakers are added to or removed from your system the Speaker Configuration menu must be altered accordingly Check to see if your HiFi VCR has dropped out of tracking readjust Your VCR Stereo Mono L R switch may be in the wrong position set it to Stereo When no center channel is used CENTER must be configured for NONE in the Setup Speaker Configuration menu The center channel amp may be connected to the subwoofer jack on the DC 2 rear panel Reconnect to Center Outp
97. ustom Effect Restoring the original Effect name Listening to only the DC 2 Effect Front Back Fader The RESTORE PARAMETERS function allows you restore the currently selected Effect to its factory preset state When you select this function you will be prompted to reconsider erasing your changes If you don t want to erase your versions press DONE to exit the menu Pressing SELECT in response to the displayed query will restore all of the factory preset values to the Effect EDIT EFFECT NAME allows you to assign a new name of as many as 13 characters to your Effect With EDIT EFFECT NAME highlighted press SELECT to display the current name with a cursor indicating which character position can be modified SELECT moves the cursor to a new position A and Y scroll through the available character set Press DONE to save the new name Note that the following effects do not allow custom names PRO LOGIC THX CINEMA LOGIC 7 DOLBY DIGITAL THX 5 1 5 1 LOGIC 7 DTS FILM DTS THX and DTS LOGIC 7 RESTORE EFFECT NAME allows you to restore the original factory name of an Effect without changing any of your modified parameter settings When you select this function the message PRESS SELECT TO RESTORE EFFECT NAME allows you to reconsider erasing your custom name If you don t wantto erase your version press DONE to exitthe menu Pressing SELECT in response to the displayed query will restore the factory preset name Selecting
98. ut jack The meters will only appear when adjusting the Gain parameter of a selected active input or when the Status menu is displayed Make sure that video cables particularly S Video cables are fully inserted and that the appropriate connectoris assigned to the VIDEO IN parameter in the Input Configuration menu 55 Troubleshooting Lexicon Problem Possible Cause and Solution Finding and eliminating audio hum in a complex installation can be a very frustrating task Often the easiest way to identify the culprit s is to systematically eliminate devices from the audio chain If Cable TV is connected to any component in the system start by unplugging the Cable completely preferably right at the wall jack If this eliminates or greatly reduces the hum it is worth a call to your Cable company A quick fix assuming your cable is round 75Q wire is to attach a 75 300 transformer to the end then attach a 300 750 transformer to that so that the end is back to a round 75Q wire There are commercially available antenna lead isolators which may provide additional insula tion from electrical surges Interference with Radio or TV The DC 2 does generate minimal amounts of RF energy and is in compliance with FCC rules and CE standards If some interfering noise is noted move AM loop and FM T type antennas away from the DC 2 and reorient them as necessary Use shielded cable for FM and TV antenna
99. ve 75dB at the listening position In the absence of an SPL meter it is possible to set the output level by ear Use the internal noise generator in the DC 2 to adjust all volumes to be the same as they cycle around the various speakers Depending on timbre variations between your speakers this may be difficult to judge get as close as you can The system should be reasonably well balanced although not actually calibrated for precise playback and level matching With the system volume at 0dB the internal noise source should be at the same level at which film dialog sounds comfortable When using the external noise calibration the DC 2 will load the factory default effect for the format of the incoming signal In other words ifa PCM signalis coming into the DC 2 when external noise is engaged the DC 2 will load the PRO LOGIC effect with the factory preset settings If a Dolby Digital AC 3 signal is coming in the DC 2 will load the DOLBY DIGITAL 26 DC 2 Digital Controller System Configuration effect with the factory preset settings If a DTS signal is coming in the DC 2 will load the DTS FILM effect with the factory preset settings Dolby Digital AC 3 and DTS encoded sources can produce low frequency peaks that are much louder than those in matrixed Dolby Surround decod ing These higher levels may be troublesome in the home listening environ ment either because they disturb non listeners in nearby rooms or becaus
100. vides the ultimate in film reproduction It brings out all the increased excitement and spaciousness a 7 channel speaker system can produce Parameter Initial Value AC 3 STATUS display only not user adjustable COMPRESSION OFF AUTO ON OFF VOCAL ENHANCE 0 0dB 0 0d0B 3 0dB 6 0dB RE EQUALIZER ON ON OFF BASS ENHANCE ON OFF REAR DELAY OFFSET 5ms 0 20ms SIDE LEVEL 00dB OFF 30GB to 05dB REAR LEVEL 00dB OFF 30dB to 05dB LFE MIX LEVEL 0 0dB 10 00B to 0 0dB SUBWOOFER LVL 00dB OFF 30dB to 05dB CUSTOM The Dolby Digital effect decodes Dolby AC 3 encoded soundtracks Unlike Dolby Dig ital analog Dolby surround decoding Dolby Digital uses five discrete full range channels and a sixth dedicated Low Frequency Effect LFE channel In this effect any rear speakers present are connected in parallel with the side speakers This is the standard Dolby Digital decoder It does not include the enhancements by Lexicon or LucasFilm which are available with other AC 3 effects in the DC 2 Parameter Initial Value AC 3 STATUS display only not user adjustable COMPRESSION OFF AUTO ON OFF VOCAL ENHANCE 0 0dB 0 00B 3 0dB 6 0dB BASS ENHANCE OFF ON OFF SIDE LEVEL 00dB OFF 30dB to 05dB REAR LEVEL 00dB OFF 30dB to 05dB LFE MIX LEVEL 0 0dB 10 00B to 0 0dB SUBWOOFER LVL 00dB OFF 30dB to 05dB CUSTOM 47 AC 3 Effects and Parameters
101. wer LFE MIX LEVEL Parameter Initial Value AC 3 STATUS display only not user adjustable COMPRESSION OFF AUTO ON OFF CENTER MIX 16 0 30 SURROUND MIX 2dB 5 to 5dB CENTER DLY SAMPLES 127 to 127 MASTER LEVEL 5dB to 5dB LFE MIX LEVEL 20 00B to 0 0dB SUBWOOFER LVL OFF 30GB to 05dB CUSTOM 5 1 Music This Effect enhances playback of Dolby Digital music recordings or Dolby Digital film soundtracks with strong musical content This effect contains many of the features found in 5 1 LOGIC 7 with settings that are more appropriate for music Parameter Initial Value AC 3 STATUS display only not user adjustable COMPRESSION OFF AUTO ON OFF RE EQUALIZER OFF ON OFF BASS ENHANCE OFF ON OFF REAR DLY OFFSET 5ms 0 20ms SIDE LEVEL 00dB OFF 30dB to 05dB REAR LEVEL 00dB OFF 30dB to 05dB LFE MIX LEVEL 0 0dB 10 0dB to 0 0dB SUBWOOFER LVL 00dB OFF 30dB to 05dB CUSTOM 46 DC 2 Digital Controller AC 3 Effects and Parameters 5 1 Logic 7 combines all the features of Dolby Digital AC 3 with enhance 5 1 Logic 7 ments by Lexicon and LucasFilm This effect uses Logic7 matrix technology to enhance the steering between the side speakers and the rear speakers so sounds intended to come from behind the listener actually do come from behind This effect also includes the adaptive decorrelation and re equalizaer features of THX 5 1 5 1 Logic 7 pro
102. y reverberation time depends on MID RT and is expressed as a multiplier BASS RT should be set to 1 0 x MID RT for a more natural effect in smaller spaces CENTER LEVEL adjusts the output level from the center speaker EFFECT LEVEL adjusts the loudness of the side and rear speakers When there are no side speakers it adjusts the amount of ambient signal mixed into the main loudspeakers In Panorama this control changes the apparent width of the front soundstage 0 ordinary stereo 62 provides the widest image FRONT STEERING provides four basic settings which have been devel oped specifically to optimize center channel signal strength for film and music The MUSIC setting is designed for classical and popular music It preserves nearly the full width of the front image even in complex material with a high vocal level At the same time it reproduces film with plausible separationbetweenthe center speaker and the front speakers during dialog The FILM setting has excellent frontal image stability through the whole room during dialog and vocals while preserving the full width of the front image in the spaces between dialog and for music without vocals The front image during vocals is noticeably narrower than with the MUSIC setting but highly satisfactory nonetheless 1 2 is similar to the MUSIC setting under most conditions but will repro duce sound in all three front speakers when a strongly centered or mono signal is present This
103. you know that the center channel is not properly timed as well as the amount by which it is off CENTER MIX adjusts the level of the center channel applied to the two channel downmix The appropriate value for film is 16 The appropriate value for music is 11 COMPRESSION enhances the intelligibility of Dolby Digital material at low volume levels 6dB or lower When set to AUTO this control auto matically limits peak signals and boosts low level signals The amount of compression increases proportionately as volume is decreased This is quite useful when listening to Dolby Digital soundtracks at low output levels When set to ON full compression is applied regardless of volume 48 AC 3 Effects and Parameters DC 2 Digital Controller LFE MIX LEVEL allows separate level attenuation of the LFE channel which is ultimately mixed to the subwoofer output As the bass from as many as five other channels is added to the LFE it can significantly raise subwoofer output levels and create the risk of damage to a system Careful adjustment of this parameter will allow you to achieve proper tonal balance and reduce the risk of damage MASTER LEVEL adjusts the output level of the two channel downmix This control should be set to 5dB unless the LFE is very heavy inwhich case the level should be reduced RE EQUALIZER equalizes the left center and right channel outputs to match the overall frequency balance of the original recor

Lexicon DC-2 Speaker System User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents