Creative dtt2500 digital Headphones User Manual
Contents
1. Installation and Operating Instructions Desktop Theater 5 1 DTT2500 Digital Information in this document is subject to change without notice and does not represent a commitment on the part of Creative Technology Ltd No part of this document may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying and recording for any purpose without the written permission of Creative Technology Ltd The software described in this document is furnished under a license agreement and may be used or copied only in accordance with the terms of the license agreement It is against the law to copy the software on any other medium except as specifically allowed in the license agreement The licensee may make one copy of the software for backup purposes Copyright 1999 Creative Technology Ltd All rights reserved 1999 Cambridge SoundWorks Inc All rights reserved Cambridge SoundWorks is a registered trademark and PCWorks and DeskTop Theater are trademarks of Cambridge SoundWorks Inc Newton MA The Creative logo and Sound Blaster logo are registered trademarks and the Environmental Audio logo and Creative Multi Speaker Surround are trademarks of Creative Technology Ltd The Desktop Theater 5 1 DTT2500 Digital Dolby Digital Decoder Amplifier is manufactured under the license from Dolby Laboratories Dolby Pro Logic AC 3 and the Double D symbol are trademarks of Dolby Laboratories Confidential2. pressed signal output from your DVD player to the DOLBY DIGITAL AC 3 SPDIF IN of your DTT2500 Digital decoder amplifier unit 3 Press the CMSS button until all its three LEDs are off to disable the Creative Multi Speaker Surround CMSS function For movies with Dolby Digital 5 1 AC 3 soundtracks This signal is detected auto matically and the DOLBY DIGITAL LED lights up You will experience Dolby Digital LINE IN meN LNE our REAR OUT 5 1 channel output r e agem NEN pean oga aios ALTO se Liver asv D N For two channel DVD op movies which are Dolby 105 6 ooaj Surround encoded The Dolby Pro Logic decoder will automatically decode the program for 5 1 channel movie experience MPC t0 MPC CD Audio Cable PC DVD ROM Drive 4 Channel Sound Card e g Sound Blaster Live A Encore Dxr2 PC DVD MPEG2 Decoder Card Luxsonar Connection Guide for DeskTop Theatre 5 1 DTT2500 Digital with Sound Blaster Live and Creative PC DVD system 18 Playing VCD Movies Using PC DVD player on PC 1 Disable the Creative Multi Speaker Surround CMSS function by pressing the CMSS button until all four LEDs are off For VCD movies with Dolby Surround encoded stereo program You can use the Dolby Pro Logic decoder by selecting PRO LOGIC DIGITAL IN to ex
3. 2 Using the placement instructions as a guide position the satellites the center channel speaker and subwoofer around your computer Install the Desktop Stands and Floor Stands as appropriate If you wish to substitute a powered subwoofer for the subwoofer that comes with the DTT2500 Digital read Substituting a powered subwoofer page 9 3 Connect the satellite speakers center channel speaker and subwoofer to the back of the Decoder Amplifier 4 Connect the Dolby Digital output of your digital program source typically a DVD player to the Dolby Digital input of the Decoder Amplifier 5 Connect your normal audio signal sources via the Line In and Rear In inputs An owner of a Sound Blaster Live sound card with a Digital DIN output should use the supplied cable to connect it to the Digital DIN input instead 6 With the Decoder Amplifier s power switch off connect the power supply adaptor to the Decoder Amplifier 7 Turn on the power Use the SPEAKER TEST mode to position and balance the speakers 8 You may wish to experiment with speaker placement briefly before concealing the connecting cables and making the installation more permanent 9 The unit is ready for you to enjoy Refer to the Quick Reference guide for information about settings for specific program sources like DVD CDs Video CD and games Speaker Placement The Front Satellites The left front and right front satellites play stereo
4. Placement The Decoder Amplifier can be placed on the desktop a shelf or any site that makes the controls convenient see Diagram N The Power Adapter cord must be able to reach from the Decoder Amplifier back panel to your AC power receptacle Place the Decoder Amplifier on a hard flat surface There are ventilation slots on the bottom and top of the Decoder Amplifier s enclosure Don t block the ventilation slots by placing material on top of or below the Decoder Amplifier Making Connections Consult the Wiring Diagram on the next page before making any connections Speaker Connections Insert one satellite s plug into the correspond ing Speaker Output on the Decoder Amplifier Repeat this process for the remaining satellites and subwoofer If substituting a powered subwoofer connect it to the SUBWOOFER LINE OUT Signal Connections Dolby Digital Connect the Dolby Digital SPDIF output of your signal source to the Decoder Amplifier s Dolby Digital input using the cable with the RCA plugs at each end For Sound Blaster Live sound cards with a digital I O card Connect its Digital DIN output to the Digital DIN input with the supplied Digital DIN cable the one with the red plugs at each end It is not necessary to connect a cable to the Line In and Rear In input in this instance Refer to Connection to Sound Blaster Live via Digital DIN next page for more information about this con
5. disconnect any cable link between the cards 2 making sure all four CMSS indicator lights are off MUSIC MOVIE FOURPOINT and STEREO 3 muting the CD input of your computer s software mixer volume control application When playing a DVD game with a mix of Dolby Digital 5 1 sound a digital signal at the SPDIF input and soundcard wavetable output a signal at the analog input be sure to engage the FOURPOINT mode in the CMSS settings Dolby Pro Logic Dolby Surround is an earlier surround sound standard which is decoded with a Pro Logic processor in the DTT2500 Digital The Pro Logic steering circuitry derives separate center and rear channels from encoded stereo program sources Pro Logic processing provides a convincing movie soundfield when the material is specifically encoded for Dolby Surround Most older stereo movie soundtracks will only be encoded for Dolby Surround even though the program source may be a DVD s digital output Most DVDs containing Dolby Surround program material will cause both the Dolby Digital and Digital Pro Logic lights to illuminate DTT2500 Digital will decode these digitally transferred Dolby Surround programs through the digital Pro Logic decoder automatically CD ROMs and CD s with Dolby Surround encoding will feature the Dolby Surround logo at the beginning of the program or on the packaging Process these programs by making sure all CMSS indicator lights are off an
6. face of the center channel so that it is as far forward as possible Use a Desktop Stand to position a center channel satellite in front of the monitor It directs the sound up towards the listener see Diagram E The Center Speaker may also be hung on the wall behind the monitor using the screw and wall anchors provided see Mounting The Speakers page 11 The Rear Satellites The rear satellites provide the surround effects in Dolby Digital Dolby Surround and Creative Multi Speaker Surround modes They also provide the discreet rear sounds produced in four channel gaming 5 meters 16 feet of cable is provided with the two remaining small satellites for more flexibility in rear channel placement The rear satellites may be placed in any convenient sites alongside the listener including sites slightly forward of the listening location The rear satellites do not have to be at exactly the same height nor at the same height as the front satellites Tf you have side walls close to your listening position excellent placement for the rear satellites is slightly behind your listening position slightly above ear level see Diagram F The satellites may be hung on the wall using the screw and wall anchors provided see Mounting The Speakers page 11 Do not be concerned if this placement is not practical Any rear satellite placement to the left and right side of the listening position will provide strong di
7. test sound generator Use this test sound to position all the speakers and to balance their relative output The test sound moves in sequence from the left satellite the center speaker the right satellite then to the right surround satellite left surround satellite and the subwoofer All of the indicator lights will blink on and off while the test sound generator is in operation The test sound will operate for three complete cycles and then stop You can terminate the sound at any point by pressing the Speaker Test button again First use the test sound to verify that each speaker is operating 14 Then make sure the speakers are The speaker level controls operate at positioned so that the test sound can all times If desired you may adjust be clearly heard these controls during program material Finally adjust the front panel level to fine tune the balance controls for the center subwoofer and 9 Mute Mutes all output from the nied Lie on djust aa e 50 DTT2500 Digital Press the button once ats speaker arenas balance to mute Press a second time to restore output level with the left and right audio output satellites which provide a fixed The CMS S Dolby Surround Audio reference output level Mode and S ES peaker Test buttons are All Decoder Amplifier functions operable during mute except for the level controls are disabled while the test sound is running DOLBY pPRO LOGIC MUSIC MOVI
8. E FOURPOINT STEREO DIGITAL DIGITALIN ANALOG IN LL R go O C EOS Edo 6 HO DOLBY SURROUND AUDIO MODE SPEAKERTEST MUTE CREATIVE MULTI SPEAKER SURROUND DESKTOP THEATER 5 1 DTT2500 DIGITAL CAMBRIDGE SOUNDWORKS SUBWOOFER SURROUND DO ootsv DIGITAL Surround Reference Dolby Digital Dolby Digital earlier called AC 3 delivers five discreet full range channels left front center right front left surround and right surround plus a separate Low Frequency Effects LFE channel Many soundtracks on the latest generation laser discs DVDs and High Definition Television HDTV are encoded with Dolby Digital technol ogy When a 5 1 channel Dolby Digital program source is playing such as from a Creative PC DVD player the Dolby Digital indicator light will illuminate automatically Note Not every section of a DVD will be 5 1 channel encoded On many DVDs only the main movie program will be available in 5 1 channel sound Other supporting chapters like a Director s Comment section may be in stereo or mono These sections will not light the Dolby Digital indicator even though the sound will be properly reproduced by the DTT2500 Digital When listening to DVD movies with 5 1 channel Dolby Digital sound be sure to listen only to the digital program source You can insure this by 1 making sure your DVD player s stereo downmix is not sent to your soundcard For example
9. Mutes any analog stereo or CMSS output Use this setting if you wish to play an analog stereo signal through the Dolby Pro Logic processor For more information about Creative Multi Speaker Sur round see page 17 5 Dolby Digital indicator light This light turns on whenever a Dolby Digital signal is detected at the SPDIF input of the DTT2500 Digital For Dolby Digital 5 1 sound reproduction make sure only this light is illuminated 6 Dolby Surround This button cycles between Dolby Pro Logic processing of the digital signal then the analog input and no Pro Logic processing Dolby Surround This button cycles between Dolby Pro Logic processing of the digital signal then the analog input and no Pro Logic processing To decode Dolby surround program material at the Digital DIN input select the Analog Pro Logic mode 7 Audio Mode Use this button to play just the left or right channels of a stereo digital signal PCM from an audio CD a Video CD ora stereo signal from a DVD Use this when for example a Video CD has different languages on the left and right channels Repeated presses of the button selects which channel is fed to both the Left and Right front speakers LL Left channel to both Left and Right front speakers RR Right channel program to both Left and Right front speakers See Audio Mode Selection page 17 for further information about this feature 8 Speaker Test Press this button to start the
10. Remove the backing from the remaining longer L label and wrap it around the opposite end of the speaker cable near the RCA type plug Place the satellite in the front left position Repeat this process using another 3 meter cable for the front right satellite using the R labels Connect another 3 meter cable to a satellite Use the C center labels If used the Monitor Stand attaches to the satellite in the same manner as the Desktop Stands although it does not have a hole for the speaker wire Route the wire to the left or right side of the attachment strut Position the satellite If you wish to use the Floor Stands with the rear satellites assemble the stand according to Attaching The Floor Stand instructions on page 11 Use the RS and LS labels right and left surround and 5 meter cables Connect the subwoofer using the last 3 meter cable to the SUB labels Diagram K To connect the speaker wire to each satellite press one of the spring loaded tabs to expose the connection hole Insert the bare end of the wire into the exposed hole then release the tab to lock the wire in place Connect wires with red bands to red tab connectors and unmarked wires to black tab connectors Notes Matching red wires to red tabs and unmarked wires to black tabs insures the speakers all play in phase Out of phase connections will do no electrical harm but the overall soun
11. abs Sound Blaster PCI series or Sound Blaster Live series Sound Blaster Live owners should utilize the exclusive Digital DIN Satellites 5 O A Quick Reference Guide Desktop Stands for satellites 5 Decoder Amplifier E Monitor Stand connection to hear the clearest digital audio available Conventional 2 channel sound cards such as Sound Blaster 16 or the Sound Blaster AWE series can also be used with DTT2500 Digital but these cards will not provide rear channel output when playing games using DirectSound 3D or its derivatives One pair of satellites has cables that are 3 meters 9 feet long The other pair has cables that are 5 meters INN 5 Wall Mounting Hardware Strips of 4 feet 5 16 feet long Typically the two satellites with the longer cables will be used on the surround channels but the satellites are otherwise identical If you need extra cable length for the front channel satellites use the pair with the longer cables instead All the speakers are magnetically shielded but the subwoofer is not 5 meter speaker wires 2 00000 SPDIF Cable RCA to RCA JJJ JI Hook and Loop Fasteners 10 1 Caa E E E L O O EU lo Satellite Position Stickers Installation Sequence 1 Read all of the instructions before installing the speaker system
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13. d quality will be greatly reduced You can substitute regular 18 gauge speaker wire to create longer cables if needed DOLBY DIGITAL AC 3 SPDIF IN rS oo LINE IN REAR IN Cg ANALOG AUTO L INPUT l SPEAKER OUTPUTS LS em O 15V DC IN O C SUBWOOFER RS 0 _ a 10 Mounting The Speakers Screw Mounting The Satellite and Center Channel speakers may be hung on a wall using an M5 screw and their keyhole openings First attach four self adhesive feet to the back of each satellite see Diagram L insuring a vibration free secure installation Leave about s of an inch of the screw head exposed to fit into the back of the speaker Plastic anchors may be needed to secure the screws into particularly hard or soft material If so drill the appropriate sized holes in the wall and tap the anchors into the holes until they are flush with the wall Insert the screws into the anchors until they protrude s inch from the wall 11 Hook and Loop Fasteners When mounting speakers with hook and loop fasteners make sure that all surfaces are clean and free of dirt and grease Hard flat unpainted surfaces work best with hook and loop fasteners see Diagram M Attach the fastener first to a speaker Then remove the remaining backing and adhere to the chosen surface Decoder Amplifier
14. d selecting the Pro Logic Analog Input setting of the Surround Mode button CD ROM s and CD s with Dolby Surround encoding will feature the Dolby Surround logo at the beginning of the program or on the packaging Process these programs by making sure all CMSS indicator lights are off and selecting the Pro Logic Analog Input setting of the Support Mode button Using this Analog Pro Logic Mode to decode Dolby Surround program materia at the Digital DIN input Do not select a Pro Logic decoding mode if the program material is not encoded for Dolby Surround Excessive center channel output will result and most stereo effect will be lost Use CMSS Movie or Music modes to upmix stereo programs to a realistic 5 1 channel sound field 16 Creative Multi Speaker Surround CMSS CMSS is a 2 channel to 5 1 channel sound processor similar in some aspects to a Dolby Surround with Pro Logic processor CMSS Music mode creates a convincing 5 1 channel surround soundfield with typical stereo sources whether they are Dolby Surround encoded or not It works well with Dolby Pro Logic WAVE AVI and MIDI program material In essence CMSS Music mode puts you on the stage for the music s performance surround ing you with the performers In a similar manner CMSS Movie mode provides the sonic impression of being front and center at a movie screening Dialog and all normally centered sounds from a stereo p
15. ecoder Amplifier may fall causing seri ous injury to a child or adult and serious damage to the product Use only with a cart stand tripod bracket or table rec ommended by Cambridge Sound Works or sold with the product Any mounting of the satellites or subwoofer should follow the manufacturer s instructions and should use a mounting accessory recom mended by Cambridge SoundWorks VENTILATION Slots and openings in the Decoder Amplifier are provided for venti lation and to ensure reliable operation of the Decoder Amplifier and to prevent it from overheating These openings must not be blocked or covered The openings should never be blocked by placing the product on a bed sofa rug or other simi lar surface The Decoder Amplifier should not be placed in a built in installation such as a bookcase or rack unless proper ven tilation is provided or Cambridge SoundWorks instructions have been ad hered to HEAT The Decoder Amplifier should be situated away from heat sources such as radiators heat registers stoves and other products including amplifiers that pro duce heat POWER SOURCES The Decoder Amplifier should be operated only from the type of power source indicated on the marking label If you are not sure of the type of power supply to your home consult your product dealer or local power company For products intended to operate from battery power or other sources refer to the operating ins
16. eiling only as rec ommended by Cambridge SoundWorks DeskTop Theatre 5 1 DTT2500 Digital Contents Safety de Regulatory Information cinc did baii Compliance entidad iia IMPORTANT SAFETY INSTRUCTIONS DTT2500 Digital Introduction Inspecting Important Notes Installation Sequence Speaker Placement suisses Speaker Wire and Stand Installation Mounting The Speakets crissssniosis ve Ii Decoder Amplifier Making Connections Wiring Diagram eee Connection to Sound Blaster Decoder Amplifier Functions Surround Reference 16 Dolby Digital 16 Dolby Pro Logic vincia 16 Creative Multi Speaker Surround CMSS si Audio Mode Selection 0 ccs 2 17 Applications Guide 18 Specifications 2 22 Important sssisccisssecseseescssvisstene ade Creative European Help Line iiciss scssccvasscesisavesiazescestesssssusscesszcosevtsieccnsaceadareessenss 23 NANDAMNSNHNWY Introduction hank you for purchasing DeskTop Theater 5 1 DTT2500 Digital by Cambridge SoundWorks DeskTop Theater 5 1 DTT2500 Digital lets you experience the full potential of Dolby Digital multichannel sound from your computer DVD player with a dynamic output that rivals a component home theater system It processes both Dolby Digital and Dolby Surround program material DeskTop Theater 5 1 DTT2500 Digital
17. ers If there is no indication of which channel is which and you hear two different language soundtracks during stereo playback select the LL and RR settings until you find the language soundtrack you want The Audio Mode selection feature can only be used with the PCM digital soundtrack of a Video CD or DVD with a stereo soundtrack not a DVD encoded with Dolby Digital 5 1 sound or Dolby Surround encoded material If you have an analog program with separate left and right channels the analog output of a CD ROM or the analog stereo output of a software video CD for instance you will have to use the balance control in your PC s audio software to mute the undesired channel Applications Guide Playing DVD Movies Using DVD player on TV Using PC DVD player on PC 1 Disable the Creative Multi Speaker Surround CMSS function by pressing the CMSS button until all four LEDs are off For movies with Dolby Digital 5 1 AC 3 soundtracks This signal is detected auto matically and the DOLBY DIGITAL LED lights up You will experience Dolby Digital 5 1 channel output For two channel movies which are Dolby Surround encoded carried within the Dolby Digital compressed bitstream The Dolby Pro Logic decoder will automatically decode the program for 5 1 channel movie experience 1 Connect Video Out of the DVD player to Video Input of your television 2 Connect Dolby Digital com
18. he position of the Digital DIN connector on the Digital I O card may be different from this diagram The Digital DIN connector is the only connector with a 9 pin configura tion 2 Insert the other end of the SPDIF cable into the Digital DIN input on the decoder amplifier 3 Use the following procedure to configure the Sound Blaster Live sound card for four speakers SPDIF CABLE DTT2500 Digital Decoder Amplifier Bring your mouse pointer to the top of the monitor screen to display the Creative Launcher Click on AudioHQ Click on the Speaker tab The speaker dialog box will appear On the configuration tabbed page select the 4 Speakers option A sofa icon representing you appears in the center of the preview box with four speakers at the corners of the box In some versions of Sound Blaster Live software you can select the four speaker output option in the Environment deck of the Surround Mixer application located in the Sound Blaster Live program tab of the Creative Launcher Note When the Analog Auto switch is pushed towards the Auto side the signal at the Digital DIN input is given priority and the signal at the Analog Audio inputs will be ignored To listen to a sound source through the analog audio inputs push the switch to the Analog side 13 Decoder Amplifier Functions When the power is switched ON the green indicator lights on
19. music the off screen sounds of video playback and the front channels of four channel games These satellites should be placed to the sides of your monitor see Diagram A Be sure to have a clear line of sight from your listening position to these satellites The satellites intended for front placement have 3 meters 9 feet of cable Install the satellite s Desktop Stands when using them on the desktop see page 10 The satellites may also be hung on the wall behind the monitor using the screw and wall anchors provided see Mounting The Speakers page 11 If you wish to save desktop space use the hook and loop fasteners to attach the satellite speakers to the sides of the computer monitor see Diagram B The Center Channel Speaker The center channel speaker provides the on screen effects and dialog in Dolby Digital Dolby Surround or Creative Multi Speaker Surround modes It should be placed as close to the center of your computer monitor as possible There are many mounting possibilities The monitor stand can be attached with hook and loop fasteners to the top of the computer monitor It directs the sound down towards the listener see Diagram C If your computer monitor s construction directs the sound of the center channel satellite towards you without a stand attach the satellite directly to the top of the monitor using the hook and loop fasteners see Diagram D Position the
20. n the speak ers or the Decoder Amplifier SERVICING Do not attempt to service the any part of the DTT2500 Digital yourself as opening or removing covers may ex pose you to dangerous voltage or other hazards Refer all servicing to qualified service personnel DAMAGE REQUIRING SERVICE Unplug the power supply from the wall outlet or other power source and refer servicing to qualified service personnel under the fol lowing conditions a When the power supply cord or plug is damaged b If liquid has been spilled or objects have fallen into the subwoofer c If the Decoder Amplifier has been ex posed to rain or water d If the subwoofer does not operate nor mally by following the operating instruc tions or exhibits a distinct change in per formance e If the product has been dropped or damaged in any way REPLACEMENT PARTS When replace ment parts are required be sure the ser vice technician has used replacement parts specified by Cambridge SoundWorks or have the same characteristics as the original parts Unauthorized substitutions may result in fire electric shock or other hazards SAFETY CHECK Upon completion of any service or repairs to the DTT2500 Digital system ask the service technician to per form safety checks to determine that the DeskTop Theater 5 1 system is in proper operating condition WALL OR CEILING MOUNTING The DTT2500 Digital satellites should be mounted to a wall or c
21. nection For all other sound cards Use the tandem audio signal cable Connect the green stereo miniplugs to the Line Out minijack output of your sound card and to the Line In minijack output of the Decoder Amplifier Connect the black stereo miniplugs to the Rear Out minijack output of your sound card if present and to the Rear In minijack input of the Decoder Amplifier Power Supply Adapter Connec tions Confirm the power switch is in the OFF position Insert the power supply s AC plug into an appropriate receptacle Insert the small DC connector into the 15V DC IN receptacle on the back of the Decoder Amplifier 12 Wiring Diagram EXAMPLE SOUND BLASTER LIVE REAR LINE OUT OUT DVD OUTPUT EXAMPLE CREATIVE LABS PC DVD ENCORE Dxr2 DIGITAL OUTPUT e El DOLBY DIGITAL LINEIN REARIN DIGITAL ANALOG AUTO AC 3 SPDIF IN DIN J INPUT 15V SPEAKER OUTPUTS DON LS R R RS i o k POWE SUPPLY ADAPTER LEFT SURROUND SATELLITE CENTER CHANNEL SPEAKER LEFT SATELLITE Connection to Sound Blaster Live via Digital DIN If your Sound Blaster Live sound card includes a Digital I O card you can take advantage of the clear distortion free audio available from its Digital DIN output 1 Insert on end of the SPDIF cable into the Digital DIN output jack on the Sound Blaster Live Digital T O card T
22. offers discreet four channel support for Microsoft DirectSound 3D and its other derivatives In some of today s best CD based action games DeskTop Theater 5 1 DTT2500 Digital can automatically decode the Dolby Surround cut scenes while offering enveloping positional four channel audio It s ready for the new era of DVD based games Also included is Creative Multi Speaker Surround which lets you hear all of your favourite stereo program material with a new and exciting three dimensional quality Inspecting For Damage Examine each unit carefully for signs of shipping damage If there is any damage do not install the system Consult the store where you purchased the system or call the appropriate Creative Technology Ltd support group at the number listed at the end of this publication Save the shipping carton and inserts in case you have to transport the system later All the items shown in the illustration should be included If anything is missing notify the retailer 1 A E Holder Cap 2 CEN Supports 3 Feet 3 4 a Frames 2 Support Extends 18 Important Notes These instructions assume you have a DVD player with a coaxial Dolby Digital AC 3 output for example the Creative Labs PC DVD Encore These instructions also assume your sound card supports processing of DirectSound 3D including front and rear two channel minijack line outputs like Creative L
23. oofer is not magnetically shielded so position it at least 18 inches away from a computer monitor Substituting a powered subwoofer You may substitute a powered subwoofer for the subwoofer that comes with the DTT2500 Digital Connect its line level input typically an RCA jack to the dedicated subwoofer output on the back of the Decoder Amplifier using a shielded audio cable with RCA plugs on each end Refer to the powered subwoofer s User Manual for adjustment procedures Speaker Wire and Stand Installation Typically the 3 meter speaker cables will connect the front and center satellites to the Decoder Amplifier and the 5 meter cables will connect the rear satellites to the Decoder Amplifier A panel of twelve self adhesive labels is provided to identify each satellite and subwoofer and the opposite end of the cable connected to a satellite and subwoofer 1 Identify a 3 meter cable Most often a satellite will be used with a desktop stand In this case thread the bare wire end of a 3 meter cable through the hole in the desktop stand Connect this end to a satellite as shown in Diagram K Carefully insert the desktop stand s attachment arm into the socket in the back of the satellite taking up any slack in the cable as required 2 To use this satellite in the front left position remove the backing from the small round L label and apply it to the back of the satellite see Diagram K 3
24. peri ence 5 1 channel movie viewing For VCD movies You will have Digital 2 1 channel output To enhance the experience enable the Digital Pro Logic by pressing the DOLBY SURROUND button until the DIGITAL IN LED lights up Using SoftMPEG player or PlayCenter on PC 1 Select the MOVIE mode by pressing the Creative Multi Speaker Surround CMSS button until the LED for MOVIE mode lights up This mode lets you experience the surround sound with 5 1 channel output all dialog and central sounds will be heard through the center speaker while music and off stage sounds are heard through the other four satellites If you are using PlayCenter to play the VCDs disable all CMSS effects in your PlayCenter use only DTT2500 Digital CMSS MOVIE mode oe VCD player on TV 1 Connect Video Out of the VCD player to Video Input of your television 2 Connect the Audio Out of the VCD player to the Line In of your DTT2500 Digital decoder amplifier unit 3 Select the MOVIE mode by pressing the Creative Multi Speaker Surround CMSS button until the LED for MOVIE mode lights up You can experience surround sound instead of mono stereo sound all dialog and central sounds will be heard through the center speaker while music and off stage sounds are heard through the other four satellites Playing Games Playing Multi format DVD Games Playing Microsoft DirectSound 3D Playing Conventional Games These game
25. rectional and surround effects The rear satellites may be installed on their convenient floor stands While listening the stands should be positioned to the left and right of your listening position see Diagram G on the previous page The Floor Stands are small enough to be stowed underneath a desk when not in use See page 11 for floor stand assembly instructions Larger work surfaces can accommo date both front and surround pairs of satellites on their Desktop Stands Try the extreme corners of a desk using the Desktop Stands see Diagram H Also you may attach the rear satellites under a desktop or at the sides of a desk using the hook and loop fasteners see Diagram I After you have positioned the rear satellites use the test sound to make sure each speaker can be heard clearly The Subwoofer The subwoofer s optimum position is on the floor against the wall under the computer desk The nearer the subwoofer is to the corner of the room the stronger its maximum bass output will be We strongly recommend placing the subwoofer on the floor see Diagram J Leave at least 8 cm 3 inches of space between the subwoofer face and a wall Small objects in front of but not touching the subwoofer table legs for instance will have no effect on its sound If you have no available floor space the subwoofer can be placed on a shelf desktop or other sites but its maximum output will be reduced The subw
26. rogram are heard through the center speaker Use this mode whenever a music program has sounds you want to blend with on screen action or dialog Unlike Pro Logic decoding CMSS Music Movie and Four Point modes are appropriate for use with multi coded sources such as DVD games In some game titles the movie sequences may be encoded in Dolby Surround but the game sequences may be in the WAV format CMSS Movie mode supports 6 channel output for WAV AVI MIDI and other audio software formats Few if any of these kinds of formats are Dolby Surround encoded The FOURPOINT mode passes the four discreet channel audio of four channel games direct to each satellite channel It does not synthesize rear channel output so stereo signal in this mode will play just through the front two speakers and subwoofer The STEREO mode plays the Left and Right Front speakers and the subwoofer It also lets you hear the stereo downmix from any DVD Audio Mode Selection The stereo soundtracks of some movies on the Video CD VCD format contain different languages For example a two channel soundtrack may contain Mandarin on the right channel and English on the left channel The VCD program literature should indicate the presence of dual language soundtracks Similarly some movies in the DVD format will contain dual language soundtracks DTT2500 Digital lets you select one of these languages and play it through both the Left and Right speak
27. s have Dolby Digital or or Environmental Audio Games Select MUSIC or MOVIE by pressing Dolby Pro Logic movie clips mixed 1 Under CMSS on your DTT2500 the Creative Multi Speaker Surround with the actual game sequence Digital decoder amplifier select CMSS button until the LED for Select the MUSIC or MOVIE mode FOURPOINT to fully enjoy the MUSIC or MOVIE mode lights up by pressing the Creative Multi 4 channel gaming experience Speaker Surround CMSS button from Microsoft DirectSound3D until the LED for MUSIC or MOVIE or Creative Environmental mode lights up Audio EA titles with a 4 channel audio card 2 For Sound Blaster Live users enable the 4 Speaker configura tion on your PC Otherwise select FourPoint under CMSS on your DTT2500 Digital decoder amplifier unit 20 CD Audio Music Enjoying CD Audio on PC Select the MUSIC mode by pressing the Creative Multi Speaker Surround CMSS button until the LED for MUSIC mode lights up This mode creates an enveloping five speaker surround effect that enhances stereo music Karaoke Music Singing Karaoke on PC with SB Live and Creative PC DVD Decoder Card with Creative Navigator application 1 Connect your microphone to the MIC IN of SB Live 2 Enable the Microphone source in the Mixer 3 Select one of the seven Karaoke modes under Environment in Creative Launcher 4 Press the AUDIO MODE button of the DTT2500 Digital decoder amplifier unit until yo
28. the face of the Decoder Amplifier will sequentially light from the left to the right The CMSS Music light will remain illuminated after start up The indicator light for Dolby Digital will illuminate automatically if a Dolby Digital program is playing 1 ON OFF Switches DeskTop Theater DTT2500 Digital power on and off An indicator light signals the power is on 2 Master Adjusts the volume of the entire system 3 Center Subwoofer and Surround These controls adjust the level of the indicated channels Their output level should be balanced with the fixed output level of the Left and Right front speakers Top Row 4 Creative Multi Speaker Surround CMSS processes analog program material Repeated presses of this button steps through five different operation modes Music Creates a 5 1 speaker soundfield appropriate for music from any analog sound source Movie Creates a 5 1 speaker soundfield appropriate for movie or game enjoyment from an analog sound source FourPoint Use this mode for DVD games having Dolby Digital soundtracks with Environmental Audio Extensions or Microsoft DirectSound 3D for real time positioning of sound effects Stereo Use this mode when you want to hear just stereo effects or the stereo Dolby Digital downmix of a DVD A Quick Reference Guide is provided separately Consult this guide for advice about playing different program sources No lights illuminated
29. tive Directive 89 336 EEC 92 31 EEC EMC 73 23 EEC LVD WARNING To prevent fire or shock hazard do not expose this appliance to rain or moisture Important Notice The serial number for the DTT2500 Digital is located on the Decoder Amplifier Please write this number down and keep it in a secure area This is for your security IMPORTANT SAFETY INSTRUCTIONS READ INSTRUCTIONS All safety and oper ating instructions should be read before the DTT2500 Digital amplified subwoofer sat ellite system is operated RETAIN INSTRUCTIONS The safety and operating instructions should be retained for future reference HEED WARNINGS All warnings on the subwoofer and in the operating instruc tions should be adhered to FOLLOW INSTRUCTIONS All operating and use instructions should be followed CLEANING Unplug the Power Supply Adapter from the wall outlet or other power source before cleaning Do not use liquid cleaners or aerosol cleaners Use adamp cloth for cleaning ATTACHMENTS Do not use attachments not recommended by Cambridge SoundWorks as they may cause hazards WATER AND MOISTURE Do not use the Decoder Amplifier near water for ex ample near a bath tub wash bowl kitchen sink or laundry tub in a wet basement or near a swimming pool and the like ACCESSORIES Do not place the DTT2500 Digital Decoder Amplifier on an unstable cart stand tripod bracket or table The D
30. tructions POLARIZATION The power supply may be equipped with a polarized alternating cur rent line plug a plug having one blade wider than the other This plug will fit into the power outlet only one way This is a safety feature If you are unable to insert the plug fully into the outlet try reversing the plug If the plug should still fail to fit contact your electrician to replace your obsolete outlet Do not defeat the safety purpose of the polarized plug POWER CORD PROTECTION Power sup ply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular attention to cords at plugs con venience receptacles and the point where they exit from the Decoder Amplifier LIGHTNING For added protection for the DTT2500 Digital system during a lightning storm or when it is left unattended and unused for long periods of time unplug it from the wall outlet This will prevent dam age to the Decoder Amplifier due to light ning and power line surges OVERLOADING Do not overload wall out lets extension cords or integral conve nience receptacles as this can result ina risk of fire or electric shock OBJECT AND LIQUID ENTRY Never push objects of any kind into the Decoder Am plifier through openings as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock Never spill liquid of any kind o
31. u hear only the music i e vocal portion is masked out Singing Karaoke on PC with SB Live only with Creative PlayCenter 1 Connect your microphone to the MIC IN of SB Live 2 Enable the Microphone source in the Mixer 3 Select one of the seven Karaoke modes under Environment in Creative Launcher 4 Click the Audio Menu button on the Creative PlayCenter to hear only the music i e with the vocal portion masked out 21 Specifications DeskTop Theater 5 1 DTT2500 Digital Six channel Amplifier Specifications Left Right Left Surround Right Surround amplifiers each of four 7 watts RMS per channel Center Channel amplifier 21 watts per channel Subwoofer amplifier 20 watts per channel A Important Playback Levels DDT2500 Digital is intended for individual or small group listening and will achieve surprisingly high output levels However playing the system continuously at overly loud distorted levels on heavy bass program material may cause its internal fuse to blow The fuse can be replaced only by a qualified representative To avoid this inconve nience and a possible non warranty repair charge reduce the playback volume when the system shows obvious signs of stress i e it sounds raspy fuzzy and or muddy 22 Creative European Help Line CREATIVE LABS IRELAND LTD Technical Support Department Ballycoolin Business Park Blanchardstown Dublin 15 Irelan
32. unpublished works Copyright 1992 1997 Dolby Laboratories Inc All rights reserved Microsoft and DirectSound are registered trademarks of Microsoft Inc All other brands and product names are trademarks or registered trademarks of their respective holders All specifications are subject to change without prior notice Actual contents may differ slightly from those pictured Version 1 0 July 1999 Trademarks Sound Blaster is a registered trademark and Blaster is a trademark of Creative Technology Ltd Intel and Pentium are registered trademarks of Intel Corporation Microsoft MS DOS Windows and the Windows logo are registered trademarks of Microsoft Corporation All other products are trademarks or registered trademarks of their respective owners Safety amp Regulatory Information The following sections contain notices for various countries CAUTION This device is intended to be installed by the user in a CSA TUV UL certified listed IBM AT or compatabile personal computers in the manufacturer s defined operator access area Check the equipment operating installation manual and or with the equipment manufacturer to verify confirm if your equipment is suitable for user installed application cards Modifications Any changes or modifications not expressly approved by the grantee of this device could void the user s authority to operate the device Compliance This product conforms to the following Council Direc
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