Creative dtt2500 User Manual
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. Confidential unpublished works.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.
1
Safety & 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.
Any changes or modifications not expressly
approved by the grantee of this device could void the
user’s authority to operate the device.
Modifications
Compliance
This product conforms to the following Council
Directive:
• 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.
2
IMPORTANT SAFETY INSTRUCTIONS
READ INSTRUCTIONS - All safety and oper-
ating instructions should be read before the
DTT2500 Digital
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 instructions 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 a damp
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 example, 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
Digital
cart, stand, tripod, bracket, or table. The
Decoder Amplifier may fall, causing serious injury to a child or adult, and serious
damage to the product. Use only with a
cart, stand, tripod, bracket, or table recommended by Cambridge Sound-Works,
or sold with the product. Any mounting of
the satellites or subwoofer should follow
the manufacturer’s instructions, and
amplified subwoofer/sat-
DTT2500
Decoder Amplifier on an unstable
should use a mounting accessory recommended by Cambridge SoundWorks.
VENTILATION - Slots and openings in the
Decoder Amplifier are provided for ventilation 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 similar surface. The Decoder Amplifier should
not be placed in a built-in installation such
as a bookcase or rack unless proper ventilation is provided or Cambridge
SoundWorks’ instructions have been adhered to.
HEAT - The Decoder Amplifier should be
situated away from heat sources such as
radiators, heat registers, stoves, and other
products (including amplifiers) that produce 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 instructions.
POLARIZATION - The power supply may be
equipped with a polarized alternating-current 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, convenience receptacles, and the point where
they exit from the Decoder Amplifier.
LIGHTNING - For added protection for the
DTT2500 Digital
storm, or when it is left unattended and
unused for long periods of time, unplug it
from the wall outlet. This will prevent damage to the Decoder Amplifier due to lightning and power-line surges.
OVERLOADING - Do not overload wall out-
lets, extension cords, or integral convenience receptacles as this can result in a
risk of fire or electric shock.
OBJECT AND LIQUID ENTRY - Never push
objects of any kind into the Decoder Amplifier 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 on the speakers or the Decoder Amplifier.
SERVICING - Do not attempt to service the
any part of the
as opening or removing covers may expose you to dangerous voltage or other
hazards. Refer all servicing to qualified
service personnel.
system during a lightning
DTT2500 Digital
yourself
DAMAGE REQUIRING SERVICE - Unplug
the power supply from the wall outlet or
other power source and refer servicing to
qualified service personnel under the following 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 exposed to rain or water.
d) If the subwoofer does not operate normally by following the operating instructions; or exhibits a distinct change in performance.
e) If the product has been dropped or
damaged in any way.
REPLACEMENT PARTS - When replace-
ment parts are required, be sure the service 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
system, ask the service technician to perform safety checks to determine that the
DeskTop Theater 5.1
operating condition.
WALL OR CEILING MOUNTING - The
DTT2500 Digital
mounted to a wall or ceiling only as recommended by Cambridge SoundWorks.
DTT2500 Digital
system is in proper
satellites should be
3
™
DeskTop Theatre
DTT2500 Digital
5.1
Contents
Safety & Regulatory Information ......................................................................... 2
Compliance........................................................................................................... 2
IMPORTANT SAFETY INSTRUCTIONS ......................................................... 2
DTT2500 Digital .................................................................................................. 4
Introduction .......................................................................................................... 5
Inspecting ............................................................................................................. 6
Important Notes .................................................................................................... 6
Installation Sequence............................................................................................ 7
Speaker Placement ............................................................................................... 7
Speaker Wire and Stand Installation .................................................................. 10
Mounting The Speakers...................................................................................... 11
Decoder Amplifier .............................................................................................. 12
Making Connections........................................................................................... 12
Wiring Diagram.................................................................................................. 13
Connection to Sound Blaster .............................................................................. 13
Decoder Amplifier Functions ............................................................................. 14
Surround Reference ............................................................................................ 16
Dolby Digital ...................................................................................................... 16
Dolby Pro Logic ................................................................................................. 16
Creative Multi Speaker Surround (CMSS) ........................................................ 17
Audio Mode Selection ........................................................................................ 17
Applications Guide ............................................................................................. 18
Specifications ..................................................................................................... 22
Important ............................................................................................................ 22
Creative European Help Line ............................................................................. 23
4
Introduction
hank you for purchasing
DeskTop Theater 5.1
DTT2500 Digital by
T
Cambridge SoundW orks.
DeskT op Theater 5.1 DTT2500 Digital
lets you experience the full potential
®
of Dolby
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.
DeskT op Theater 5.1 DTT2500
Digital offers discreet four-channel
support for Microsoft
and its other derivatives. In some of
today’s best CD-based action games,
DeskT op 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.
Speaker Surround, which lets you hear
all of your favourite stereo program
material with a new and exciting
three-dimensional quality.
Digital multichannel sound
®
DirectSound® 3D
Also included is Creative Multi
5
Inspecting
Strips of 4 feet (5)
3 meter speaker wires (4)
5 meter speaker wires (2)
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 T echnology , 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.
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
rear two-channel minijack line outputs
(like Creative Labs Sound Blaster PCI
series or Sound Blaster Live! series).
Sound Blaster Live! owners should
utilize the exclusive Digital DIN
®
3D, including front and
connection, to hear the clearest digital
audio available. Conventional 2channel 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
(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.
Support Extends (18)
6
Holder/Cap (2)
Supports (3)
Feet (3)
Frames (2)
MUSI MOVI
FOURPOIN
CREATIVE
MULTI SPEAKER
DTT 3500 DIGITAL
Quick Reference Guide
Desktop Stands for satellites (5)
Decoder Amplifier
Satellites (5)
PRO LOGIC
DOLBY
STEREO
LL R
DIGITA
DIGITAL IN
ANALOG IN
L
DOLBY AUDIO
POWER
MASTE CENTE
Monitor Stand
SPEAKER
MUT
SUBWOOFE
SURROUND
(5) Wall Mounting Hardware
SPDIF DIN Cable
Tandem Audio Cable (Green and Black Miniplugs)
SPDIF Cable (RCA to RCA)
Hook and Loop Fasteners (10)
SUB
RS
LS
R
L
R
L
R
L
Satellite Position Stickers
RS
SUB
LS
SUB
RS
LS
C
C
C
1. Read all of the instructions before
installing the speaker system.
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 PlacementInstallation Sequence
The Front Satellites. The left front
and right front satellites play stereo
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 onscreen 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.
A
PRO
DOL
MU MO
FOURP
STERE
LR
DIGITA
ANALO
BY
SPEAKE
DOLBY AUDIO
MU
CREATIVE
POWE
SUBWOOF
MAST CENT
SURROU
DTT 3500 DIGITAL
B
7
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