Yamaha CBX-D3 Le manuel du propriétaire

Marque: Yamaha

Modèle: CBX-D3

Catégorie: Matériel musical

Taper: Le manuel du propriétaire

SPECIAL MESSAGE SECTION

This product utilizes batteries or an external power supply

(adapter). DO NOT connect this product to any power supply or

adapter other than one described in the manual, on the name

plate, or speciﬁcally recommended by Yamaha.

WARNING:

Do not place this product in a position where any-

one could walk on, trip over, or roll anything over power or con-

necting cords of any kind. The use of an extension cord is not

recommended! If you must use an extension cord, the minimum

wire size for a 25' cord (or less ) is 18 AWG. NOTE: The smaller

the AWG number, the larger the current handling capacity. For

longer extension cords, consult a local electrician.

This Product should be used only with the components supplied

or; a cart, rack, or stand that is recommended by Yamaha. If a

cart, etc., is used, please observe all safety markings and instruc-

tions that accompany the accessory product.

SPECIFICATIONS SUBJECT TO CHANGE:

The informa-

tion contained in this manual is believed to be correct at the time

of printing. However, Yamaha reserves the right to change or

modify any of the speciﬁcations without notice or obligation to

update existing units.

This product, either alone or in combination with an ampliﬁer

and headphones or speaker/s, may be capable of producing

sound levels that could cause permanent hearing loss. DO NOT

operate for long periods of time at a high volume level or at a

level that is uncomfortable. If you experience any hearing loss or

ringing in the ears, you should consult an audiologist.

IMPOR-

TANT:

The louder the sound, the shorter the time period before

damage occurs.

Some Yamaha products may have benches and/or accessory

mounting ﬁxtures that are either supplied with the product or as

optional accessories. Some of these items are designed to be

dealer assembled or installed. Please make sure that benches are

stable and any optional ﬁxtures (where applicable) are well

secured BEFORE using. Benches supplied by Yamaha are

designed for seating only. No other uses are recommended.

NOTICE:

Service charges incurred due to lack of knowledge

relating to how a function or effect works (when the unit is oper-

ating as designed) are not covered by the manufacturer’s war-

ranty, and are therefore the owners responsibility. Please study

this manual carefully and consult your dealer before requesting

service.

ENVIRONMENTAL ISSUES:

Yamaha strives to produce

products that are both user safe and environmentally friendly. We

sincerely believe that our products and the production methods

used to produce them, meet these goals. In keeping with both the

letter and the spirit of the law, we want you to be aware of the

following:

Battery Notice:

This product MAY contain a small non-

rechargeable battery which (if applicable) is soldered in place.

The average life span of this type of battery is approximately ﬁve

years. When replacement becomes necessary, contact a qualiﬁed

service representative to perform the replacement.

This Product may also use “household” type batteries. Some of

these may be rechargeable. Make sure that the battery being

charged is a rechargeable type and that the charger is intended

for the battery being charged.

When installing batteries, do not mix old batteries with new, or

with batteries of a different type. Batteries MUST be installed

correctly. Mismatches or incorrect installation may result in

overheating and battery case rupture.

Warning:

Do not attempt to disassemble, or incinerate any bat-

tery. Keep all batteries away from children. Dispose of used bat-

teries promptly and as regulated by the laws in your area.

Note:

Check with any retailer of household type batteries in your

area for battery disposal information.

Disposal Notice:

Should this Product become damaged beyond

repair, or for some reason its useful life is considered to be at an

end, please observe all local, state, and federal regulations that

relate to the disposal of products that contain lead, batteries,

plastics, etc. If your dealer is unable to assist you, Please contact

Yamaha directly.

NAME PLATE LOCATION:

The name Plate is located on the

top of the product. The model number, serial number, power

requirements, etc., are located on this plate. You should record

the model number, serial number, and the date of purchase in the

spaces provided below and retain this manual as a permanent

record of your purchase.

Model

Serial No.

Purchase Date

SCSI CONNECTOR

SCSI ID DOWN

PA-5B ONLY

MODEL CBX-D3 SER NO.

PATENTS:

U. S. 4,584,921

U. S. 4,738,179

U. S. 4,763,553

AC POWER ADAPTOR: YAMAHA PA-5B ONLY

U. S. 4,987,635

MADE IN JAPAN

FCC ID : A8RCBX-D3

THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO

THE FOLLOWING TWO CONDITIONS:

(1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND

(2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE

THAT MAY CAUSE UNDESIRED OPERATION.

PLEASE KEEP THIS MANUAL

92-BP

*This applies only to products distributed by YAMAHA CORPORATION OF AMERICA

FCC INFORMATION (U.S.A.)

1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT!

This product, when installed as indicated in the instructions contained in this manual, meets FCC requirements. Modiﬁcations not expressly approved by Yamaha

may void your authority, granted by the FCC, to use the product.

2. IMPORTANT:

When connecting this product to accessories and/or another product use only high quality shielded cables. Cable/s supplied

with this product MUST be used. Follow all installation instructions. Failure to follow instructions could void your FCC authorization to use

this product in the USA.

3. NOTE:

This product has been tested and found to comply with the requirements listed in FCC Regulations, Part 15 for Class “B” digital

devices. Compliance with these requirements provides a reasonable level of assurance that your use of this product in a residential environment

will not result in harmful interference with other electronic devices. This equipment generates/uses radio frequencies and, if not installed and

used according to the instructions found in the users manual, may cause interference harmful to the operation of other electronic devices. Com-

pliance with FCC regulations does not guarantee that interference will not occur in all installations. If this product is found to be the source of

interference, which can be determined by turning the unit “OFF” and “ON”, please try to eliminate the problem by using one of the following

measures:

Relocate either this product or the device that is being affected by the interference

Utilize power outlets that are on different branch (circuit breaker of fuse) circuits or install AC line ﬁlter/s.

In the case of radio or TV interference, relocate/reorient the antenna. If the antenna lead-in is 300 ohm ribbon lead, change the lead-in to co-axial type cable.

If these corrective measures do not produce satisfactory results, please contact the local retailer authorized to distribute this type of product. If you can not locate

the appropriate retailer, please contact Yamaha Corporation of America, Electronic Service Division, 6600 Orangethorpe Ave, Buena Park, CA 90620

∗

This applies only to products distributed by YAMAHA CANADA

MUSIC LTD.

CANADA

THIS DIGITAL APPARATUS DOES NOT EXCEED THE “CLASS B”

LIMITS FOR RADIO NOISE EMISSIONS

FROM DIGITAL APPARATUS SET OUT IN THE RADIO INTERFER-

ENDE REGULATION OF THE CANADIAN DEPARTMENT OF COM-

MUNICATIONS.

LE PRESENT APPAREIL NUMERIQUE N’EMET PAS DE BRUITS

RADIOELECTRIQUES DEPASSANT LES LIMITES APPLICABLES

AUX APPAREILS NUMERIQUES DE LA “CLASSE B” PRESCRITES

DANS LE REGLEMENT SUR LE BROUILLAGE RADIOELECTRI-

QUE EDICTE PAR LE MINISTERE DES COMMUNICATIONS DU

CANADA.

∗

Dies bezieht sich nur auf die von der Yamaha Europa GmbH vertriebenen

Produkte.

Bescheinigung des Importeurs

Hiermit wird bescheinigt, daß der/die/das

Gerät: Digital Recording Processor Typ : CBX-D3

(Gerät, Typ, Bezeichnung)

in Übereinstimmung mit den Bestimmungen der

VERFÜGUNG 1046/84

(Amtsblattverfügung)

funkentstört ist.

Der Deutschen Bundespost wurde das Inverkehrbringen dieses

Gerätes angezeigt und die Berechtigung zur Überprüfung der Serie

auf Einhaltung der Bestimmungen eingeräumt.

Yamaha Europa GmbH

Name des Importeurs

CBX-D3

Mode d’emploi

Bedienungsanleitung

Owner’s Manual

English

Français

Deutsch

English

Français

Deutsch

Safety, Warnings & Notes

Please read the following information before operating your CBX-D3.

Safety information

•

Make sure

that the power adaptor cord is located so that it will not be walked on or snagged

by nearby equipment.

•

Do not

expose the CBX-D3 to extremes of humidity.

•

Do not

place the CBX-D3 near water.

•

Do not

place the CBX-D3 in areas subject to extremely low temperatures.

•

Do not

place the CBX-D3 in locations subject to excessive dust.

•

Do not

place the CBX-D3 in an area subject to vibration.

•

Do not

expose the CBX-D3 to severe shocks.

•

Do not

place the CBX-D3 in direct sunlight, close to heating units, or in an area subject to

high temperatures.

• The ambient temperature around the CBX-D3 should be between 10˚C and 35˚C (50˚F and

95˚F).

Warnings

• Use only the power adaptor that comes with the CBX-D3. Do not attempt to use any other

adaptor.

• Never connect the power adaptor to the wrong type of AC receptacle. The adaptor bears a

marking indicating the type of receptacle to use.

• To reduce the risk of electric shock,

do not

remove the cover of the CBX-D3.

• To reduce the risk of ﬁre or electric shock,

do not

expose the CBX-D3 to rain or moisture.

• The CBX-D3 contains no user serviceable parts.

Refer all

servicing to qualiﬁed personnel.

• The CBX-D3 uses digital circuits that operate at high frequencies and may interfere with the

reception of nearby TV or radio equipment. You can eliminate such interference by

increasing the distance between the CBX-D3 and the affected equipment.

• If any of the following occurs, please have the CBX-D3 serviced by qualiﬁed personnel:

The power adaptor cord or plug becomes damaged.

Metal object or liquid gets inside the CBX-D3.

The CBX-D3 is exposed to rain.

The CBX-D3 is dropped or the casing is damaged.

The CBX-D3 does not operate normally, or you notice a marked change in its performance

characteristics.

Cleaning the CBX-D3

You can clean the CBX-D3 with a soft, lightly moistened cloth. Stubborn dirt can be removed

using a mild detergent. Do not use abrasive cleaners or solvent-based cleaning ﬂuids such as

alcohol and benzene.

1 Chapter : 1 Chapter :

Table of Contents

Introduction

............................................. 1

Welcome to the CBX-D3.............................. 1

CBX-D3 features........................................... 1

Important Notice ........................................... 1

Unpacking .................................................... 2

Installation..................................................... 2

Trademarks.................................................... 2

Powering up a CBX-D3 System ................... 2

Downloading the System Software............... 2

CBX-D3 Terminology

......................... 3

SCSI .............................................................. 3

Sound files..................................................... 3

Sampling frequency ...................................... 3

What is the CBX-D3?

.......................... 4

Computer based............................................. 4

Four-channel system ..................................... 4

CD quality & editing..................................... 4

The CBX-D3 in a MIDI recording system.... 5

Controls & Connections

.................. 6

Front panel .................................................... 6

Rear panel ..................................................... 8

Connecting Hard Disk Drives

..... 10

What type of hard disk? .............................. 10

Hard disk size.............................................. 10

Choosing a hard disk................................... 11

SCSI ........................................................... 11

SCSI cables ................................................. 12

SCSI ID setting ........................................... 12

SCSI termination......................................... 13

Working with Hard Disks

.............. 14

Formatting................................................... 14

File management and backup...................... 14

Computer utilities........................................ 14

Hard disk fragmentation.............................. 15

Partitioned disks.......................................... 15

Recording

............................................... 16

Sampling frequency ................................... 16

Setting the analog input level...................... 16

INPUT LEVEL indicators .......................... 17

Playback

.................................................. 17

Sampling Frequency for Playback............... 17

OUTPUT MONITOR indicators................. 17

Troubleshooting

................................. 18

CBX-D3 Specifications

................ 20

MIDI Implementation Chart

(on the page following the German section of

this manual)

Introduction1Introduction1Introduction 1

1 Introduction

Welcome to the CBX-D3

Thank you for purchasing a CBX-D3 Digital Recording Processor. Connecting the

CBX-D3 to a controlling computer with supporting software and a SCSI hard disk will

provide up to four channels of CD quality audio recording, processing, and playback.

CBX-D3 features

• Four-channel system: 2-channel simultaneous recording, 4-channel playback

• A/D conversion: 16-bit linear

∆ Σ

modulation

• D/A conversion: 18-bit with oversampling digital ﬁlter

• Sampling frequencies: 48kHz, 44.1kHz, 32kHz, 22.05kHz

• Two analog inputs (two LINE jacks, two MIC jacks); four analog outputs. The analog

input level automatically switches to accommodate line or microphone input.

• One CD/DAT digital output

• Available recording time is limited only by hard disk capacity.

You can increase the recording time by installing larger disks or increasing the number

of disks.

• All audio data processing is carried out within the CBX-D3, so much less is demanded

of the computer, eliminating data bottlenecks and slow screen redraws.

• The system can be easily upgraded by loading the appropriate ﬁles. No ROM change

is required.

Important Notice

YAMAHA AND THE SOFTWARE COMPANIES THAT PRODUCE CBX-D3

CONTROLLING SOFTWARE CANNOT BE HELD RESPONSIBLE FOR ANY LOSS

OF DATA OR FOR ANY DIRECT, INDIRECT, SPECIAL INCIDENTAL,

CONSEQUENTIAL OR OTHER DAMAGES SUFFERED BY THE USER OR OTHERS

RESULTING FROM THE USE OR PURCHASE OF THE CBX-D3, ITS

DOCUMENTATION, OR SUPPORTING SOFTWARE.

2 Chapter 1 : Introduction2 Chapter 1 : Introduction2 Chapter 1 : Introduction

Unpacking

The CBX-D3 package should contain the following items.

Retain the packing materials for future use.

Installation

The CBX-D3 comes equipped with mounting brackets at both sides, allowing easy

installation on any standard 19" electronic equipment rack. (The unit requires 1U of rack

space.)

If you need to remove the mounting brackets, simply remove the three screws holding each

bracket in place. Be sure to reuse the same screws when reattaching the brackets; use of a

different screw size can cause internal damage.

Trademarks

Macintosh is a registered trademark of Apple Computer, Inc.

All other trademarks are the property of their respective holders.

Powering up a CBX-D3 System

Some computers are particular about the order in which devices are powered up. It is

generally best to switch on all peripheral SCSI devices before turning on the computer.

Downloading the System Software

Immediately following power-on, the CBX-D3 must download system data from the

computer. The 48kHz LED blinks to indicate that download is not yet completed.

CBX-D3 applications perform the download automatically. If you are working with a

CBX-D5 application, you will need to run the download yourself using a “System

Downloader” program, available on request from your Yamaha CBX-D3 dealer.

1 CBX-D3 Serial No:

1 PA-5B AC Adaptor (or recommended equivalent)

2 1U rack mounting brackets (attached to the CBX-D3)

1 Owner’s Manual

1 User Registration Card

NOTE:

To avoid system crash and data loss, NEVER switch off or disconnect any of

the SCSI devices while the CBX-D3 system is running.

NOTE:

Consult your Yamaha CBX-D3 dealer for information about the latest

CBX-D3 applications.

POWER

SON/TOFF

PHONES VOLUME

DIGITAL RECORDING PROCESSOR CBX-D3 SAMPLING FREQ 1 INPUT LEVEL 2

SCSI MIDI 48 44.1 32 22.05

OUTPUT MONITOR INPUT LEVEL

1234

CLIP

-6

-24

1 2

1 MIC 2

3 screws

CBX-D3 Terminology3CBX-D3 Terminology3CBX-D3 Terminology 3

2 CBX-D3 Terminology

SCSI

SCSI (pronounced “scuzzy”) stands for Small Computer System Interface. The SCSI is a

standard format for connecting a computer to peripheral devices such as hard disks,

printers, and scanners. Devices are connected in a daisy chain, with each device (including

the computer) identiﬁed by a SCSI ID between 0 and 7.

Your CBX-D3, your computer, and your hard disk are connected together in a SCSI daisy

chain. The CBX-D3 uses the SCSI connection to transmit audio data to or from the hard

disk for recording or playback. The computer uses the connection to send control data to

the CBX-D3, and to perform copy, delete, and backup operations on the hard disk. With

appropriate software, it is also possible to transfer digital audio data directly to your

computer for onscreen waveform editing or other processing.

Although the SCSI standard is fairly robust, some care must be taken when connecting and

setting up the devices. For details about how to connect hard disk drives, refer to page 10.

Sound files

Just like other types of computer data, digital audio data is stored in ﬁles — sound ﬁles.

When recording starts, a sound ﬁle is created on the hard disk. Sound ﬁles can be named,

copied, or deleted just like any other computer ﬁles.

Sampling frequency

During the analog to digital conversion process, the level of the analog audio signal is

sampled (measured) many times per second.

Each of these sample measurements is then stored as a 16-bit binary value. For digital to

analog conversion (playback), these 16-bit binary values are used to reconstruct the analog

audio signal. The rate at which these sample measurements take place is called the

sampling frequency. CD players use a sampling frequency of 44.1kHz.

The CBX-D3 can record audio using any one of four sampling frequencies: 48kHz,

44.1kHz, 32kHz, and 22.05kHz. The audio quality (bandwidth) of a digital system is

directly affected by the sampling frequency. Essentially, the audio bandwidth will be

roughly half the chosen sampling frequency. Refer to the discussion of sampling frequency

in the chapter on “Recording” (see page 16) for additional details.

4 Chapter 3 : What is the CBX-D3?4 Chapter 3 : What is the CBX-D3?4 Chapter 3 : What is the CBX-D3?

3 What is the CBX-D3?

The CBX-D3 is a digital recording processor. When connected to a controlling computer

with supporting software and a SCSI hard disk, the CBX-D3 provides up to four channels

of CD-quality audio recording, processing, and playback.

Computer based

The CBX-D3 is controlled by a computer that is running CBX-D3 supporting software.

All audio data processing takes place inside the CBX-D3, so there is very little demand on

the controlling computer. For this reason the CBX-D3 can be used even with relatively less

powerful, inexpensive computers. The CBX-D3 leaves the computer free to get on with

other jobs such as processing of MIDI sequence data and screen updates.

The CBX-D3 is connected to your computer and hard disk by SCSI. It is also connected

to the computer by MIDI cables. The SCSI connection supplies control data from the

computer, and transfers audio data to or from the hard disk for recording or playback. The

MIDI connection carries real-time volume data, synchronization clock, playback speed

data, and playback and recording start/stop signals.

Four-channel system

The CBX-D3 is a four-channel system, providing two channels of simultaneous recording

and four channels of playback. Two channels can be recording while the other two are

playing back.

The CBX-D3 requires about 100 megabytes of free hard-disk space to record 10 minutes

of stereo digital audio at a sampling frequency of 44.1kHz. You can increase the available

recording time by changing to a larger disk or adding more disks to the SCSI chain.

CD quality & editing

The CBX-D3 records audio data in 16-bit resolution. Recording quality at sampling

frequencies of 44.1 and 48kHz is at CD level, with true reproduction, low noise, and

minimal distortion.

The CBX-D3 in a MIDI recording system5The CBX-D3 in a MIDI recording system5The CBX-D3 in a MIDI recording system 5

The CBX-D3 in a MIDI recording system

The following diagram shows how the CBX-D3 can be integrated into a

MIDI-sequencer-based music production system

DAT

Mixer

Tone Module

MIDI

Interface

HARD

DISK

MIC

MIDI OUT

DIGITAL

OUT

ANALOG IN X 2

MIDI IN

MIDI OUT

MIDI

OUT

MIDI

OUT

MIDI

MIDI IN

SCSI

(Dedicated cable)

COMPUTER

CBX-D3

LINE IN X 4

ANALOG OUT X 4

LINE

SCSI

SCSI TERMINATOR

* CBX-D3 applications automatically load system software to the CBX-D3 at time of power

on. CBX-D5 applications require the use of separate “System Downloader” program. See

page 2.

* SCSI terminator must be correctly connected.

* MIDI cables carry system-exclusive messages.

NOTE: The MIDI and SCSI connections between the CBX-D3 and your computer can have

a signiﬁcant impact on how your application functions. Refer to your application

software’s manual for information about the appropriate connection conﬁguration.

6 Chapter 4 : Controls & Connections6 Chapter 4 : Controls & Connections6 Chapter 4 : Controls & Connections

4 Controls & Connections

Front panel

POWER switch

Switches the power on or off.

PHONES connection

A 1/4-inch (6.35mm) stereo headphone jack. The headphones monitor all four audio

channels simultaneously: channels 1 and 3 are heard in the left speaker, while channels 2

and 4 are heard in the right.

VOLUME

Adjusts the headphone volume.

SCSI indicator

Red/green LED indicator showing the current SCSI status. GREEN indicates that the

CBX-D3 is reading from disk, sending or receiving commands over the SCSI, or

downloading system data.

Solid RED indicates that the CBX-D3 is recording to disk. Flashing RED indicates an

error condition.

MIDI indicator

Green LED. Lights up when the CBX-D3 receives a supported system-exclusive message.

POWER

SON/TOFF

PHONES VOLUME

DIGITAL RECORDING PROCESSOR CBX-D3 SAMPLING FREQ 1 INPUT LEVEL 2

SCSI MIDI 48 44.1 32 22.05

OUTPUT MONITOR INPUT LEVEL

1234

CLIP

-6

-24

1 2

1 MIC 2

1 4 6 7 8 9 0

2 3

Front panel7Front panel7Front panel 7

SAMPLING FREQ indicators

Indicate the sampling frequency selected for recording or playback:

48kHz, 44.1kHz, 32kHz, or 22.05kHz. The frequency selection is made by software.

The 48kHz LED also acts as a download indicator, ﬂashing to indicate that the CBX-D3

has not yet completed power-on downloading of system data.

INPUT LEVEL indicators

Two 3-segment LED bargraphs indicating the audio input levels. You can adjust the input

levels by turning the INPUT LEVEL control dials.

OUTPUT MONITOR indicators

Four variable-brightness LEDs. Each LED indicates the output level of the corresponding

channel. The LED gets gradually brighter as the level rises.

INPUT LEVEL controls

Independent level controls for analog input channels 1 and 2. You can also use these

controls to balance the left and right channels of a stereo source connected to the analog

inputs. Note that the input level automatically changes to accommodate microphone or

line input.

MIC 1 & 2

Two 1/4-inch jacks for direct input of microphone analog audio signals. These are

unbalanced inputs with nominal input levels of –60dBm. Plugging a microphone into

either of these jacks automatically switches the channel’s nominal input level from line

(–20dBm) to microphone (–60dBm).

Note that connecting a cable to a MIC jack automatically disables any line input connected

to the corresponding ANALOG IN jack on the near panel.

IMPORTANT:

1. NEVER plug a line input into a MIC jack.

2. Always set the INPUT LEVEL to minimum before inserting or removing a

microphone or line input.

NOTE:

The top LED in each of the bargraphs is the “CLIP” LED. While peak

indicators on analog equipment tend to light up approximately 3 ~ 6dB below

the signal clipping level, CLIP LEDs on digital equipment come on only if

clipping has actually occurred. Since digital-audio signal clipping produces

unpleasant distortion, pops, and clicks, you DO NOT want the CLIP LEDs to

come on.

8 Chapter 4 : Controls & Connections8 Chapter 4 : Controls & Connections8 Chapter 4 : Controls & Connections

Rear panel

DC IN connector

Power connector. Connect one end of the supplied power-adaptor cord to this connector,

then insert the plug end of the cord into an appropriate AC receptacle.

Cable clip

Wrap the adaptor cord around this clip to help prevent accidental disconnection.

ANALOG IN 1&2

Two 1/4-inch phone jacks for direct input of analog audio signals. These are unbalanced

inputs with nominal input levels of –20dBm, and can be connected to the outputs of a

mixer, synthesizer, drum machine, or other such device.

Note that connecting a cable to the MIC jack on the front panel automatically disables the

corresponding ANALOG IN jack. If cables are connected to both MIC and ANALOG IN,

only the MIC (nominal –60dBm) signals will be received.

ANALOG OUT 1~4

Four 1/4-inch phone jacks that output audio data in analog form. These are unbalanced

output jacks with a nominal output level of –20dBm. You can connect these to a mixer,

ampliﬁer, tape recorder, or DAT recorder.

If you connect a line to OUT1 only, the OUT1 jack will output audio signals for all four

channels. If you connect to OUT1 and OUT2 only, then OUT1 will output channels 1 and

3, while OUT2 will output channels 2 and 4.

NOTE:

Always set the INPUT LEVEL to minimum before inserting or removing a

microphone or line input.

NOTE: For your convenience, the top panel includes illustrations and names of all terminals located on the

rear panel. This may help you locate cables and connectors without having to look behind the device.

SCSI

SCSI ID

DIGITAL

OUT

MIDI

OUT

OUT 1OUT 2OUT 4IN 1IN 2 OUT 3

DC IN

ANALOG IN/OUT

2 3 4 9

1 5 6 7 8

Rear panel9Rear panel9Rear panel 9

MIDI OUT

Outputs a synchronization clock and messages about various internal events.

MIDI IN

The CBX-D3 receives MIDI control data from the computer via this connection. To ensure

that control data is not delayed by other MIDI devices, the CBX-D3 should be the ﬁrst

device connected to your computer. If your computer provides multiple MIDI outputs, you

should dedicate one of these for exclusive use with the CBX-D3.

DIGITAL OUT

A RCA (phono) jack that outputs CD/DAT-format digital audio. Channels 1 and 3 are

output as the “L” signal, while 2 and 4 are output as the “R” signal. This jack allows you

to connect directly to the digital input of a DAT or DCC recorder, eliminating the need for

multiple D/A and A/D conversions.

SCSI ID selector

A thumbwheel switch used to set the SCSI ID for the CBX-D3. See “SCSI ID setting”

(page 12) for more information.

SCSI connectors

Two 50-pin Amphenol type connectors used to connect the CBX-D3 to the SCSI daisy

chain.

NOTE:

Be sure to connect this to the MIDI IN terminal of your computer prior to

recording or playback.

NOTE:

Be sure to connect the MIDI IN terminal to the MIDI OUT terminal of your

computer prior to recording or playback.

NOTE:

It is well known that the weakest links in a digital audio system are the A/D and

D/A converters. Once converted to digital form, the audio signal becomes

immune to distortions, noises, and other problems generally introduced by

analog equipment. Although the effect of multiple conversions is rather subtle,

it is nevertheless good practice to reduce the number of conversions and

transfer the data in digital form wherever possible.

10 Chapter 5 : Connecting Hard Disk Drives10 Chapter 5 : Connecting Hard Disk Drives10 Chapter 5 : Connecting Hard Disk Drives

5 Connecting Hard Disk Drives

Before connecting a hard disk drive, read through this chapter to familiarize yourself with

SCSI and how a SCSI daisy chain should be set up.

What type of hard disk?

If you don’t already have a hard disk or are thinking of buying a larger one, please consult

your Yamaha CBX-D3 dealer for recommendations.

Hard disk size

The following table shows approximate available recording times for various sizes of hard

disk. Available recording times are shown for all of the CBX-D3’s sampling frequencies.

As you can see, time capacity decreases as sampling frequency goes up. This is because

the higher frequencies generate much more digital data, and therefore require much more

space. For details about frequency selection, refer to “Sampling Frequency” on page 16.

Although it is doubtful that you will ever buy a hard disk smaller than 40MB for use with

the CBX-D3, the values below 40MB will be useful for checking the remaining recording

time on a hard disk that already contains some sound ﬁles.

Hard disk / Max.

Sound File Size

Stereo Recording (minutes) Mono Recording (minutes)

22.05

kHz

44.1

kHz

22.05

kHz

44.1

kHz

2000MB (2GB) 380 260 190 174 760 520 380 348

1000MB (1GB) 190 130 95 87 380 260 190 174

660MB 124 85 62 57 248 170 124 114

330MB 62 42 31 28 124 84 62 56

200MB 40 25 20 17 80 50 40 34

100MB 20 13 10 8 40 26 20 16

40MB 8 5 4 3.30 16 10 8 7

20MB 4 3 2 1.42 8 6 4 3.24

10MB 2 1.18 1 51

secs

4 2.36 2 1.42

5MB 1 38

secs

2 1.16 1 52

secs

1MB 12

secs

7 secs 6 secs 5 secs 24

secs

Choosing a hard disk11Choosing a hard disk11Choosing a hard disk 11

Choosing a hard disk

Consider the following disk speciﬁcations when shopping for a hard disk for your

CBX-D3 system.

SCSI

For a general introduction to SCSI, see “SCSI” on page 3.

Setting up a SCSI daisy chain involves a little more than just making connections. Each

SCSI device must be assigned an ID number, and the daisy chain must be terminated

correctly. Details are explained in the following three sections, “SCSI cables,” “SCSI ID

setting,” and “SCSI termination.”

When using a SCSI daisy chain, bear the following points in mind.

• Each device must have a unique SCSI ID number.

• The SCSI bus must be correctly terminated.

• Use quality cables and keep the length down.

• Use the wire clips (or screws) on the SCSI connectors to secure the cable

connections.

• All devices connected in the daisy chain must be switched on.

• Never switch off or disconnect a device once the system is running.

Specification Check Notes

Is it compatible with your computer?

It may be advertised as compatible, or your

dealer may recommend it.

Does it have two SCSI connectors? You need two to continue the SCSI daisy chain.

Are the SCSI connectors 25-pin D-SUB

or 50-pin Amphenol?

Macintosh computers are fitted with a 25-pin

D-SUB connector, while most other SCSI devices

use a 50-pin Amphenol connector.

Are the SCSI cables supplied? If not, you will need to purchase these separately.

Can the SCSI ID be set from 0 ~ 7?

(For Macintosh, you only need 0 ~ 6)

If not, it might clash with another device's ID, in

which case you may have to rearrange the ID

numbers of some other SCSI devices in the

chain.

Does it have internal or external

termination?

External terminators are normally connected to

the rear of the SCSI device. If the device has an

internal terminator, make sure it can be switched

off so that any device can be positioned at the

end of the SCSI daisy chain.

Access time?

Measured in milliseconds, this is an indication of

how fast data from different areas of the disk can

be retrieved. The maximum we recommend is

30ms. Access times slower than this will degrade

the performance of the CBX-D3.

Data transfer rate?

Usually measured in megabytes per second

(MB/sec), this indicates how fast data can be

written to and read from the hard disk. The

minimum we recommend is 1MB/sec. A transfer

rate less than this will degrade the performance

of the CBX-D3.

NOTE:

Switch off all your equipment before making any SCSI connections.

12 Chapter 5 : Connecting Hard Disk Drives12 Chapter 5 : Connecting Hard Disk Drives12 Chapter 5 : Connecting Hard Disk Drives

SCSI cables

Cable length should be kept low. The total length of the SCSI daisy chain must not exceed

6m (20ft).

SCSI ID setting

The SCSI bus is a parallel type connection, and data on the bus is available to all devices.

However, communication will be between two devices only, so each device is allocated an

ID number, like an address number. In this way, only the device with the ID number that

is speciﬁed in the data will actually read and respond to the data.

If two devices share the same ID number, the system will probably crash, so make sure that

each device has a unique ID number. SCSI devices usually have a DIP switch or, like the

CBX-D3, a thumbwheel switch that you can use to set the ID. Refer to the instructions

supplied with the device.

The example above shows seven devices (computer and six peripherals) connected in a

SCSI daisy chain. Each device has a different ID number. Note that the last device in the

chain is terminated. In most cases SCSI ID 7 is reserved for use by the computer, and ID

0 for the internal hard disk. Do not use either of these IDs for any other SCSI device.

HARD DISK

CBX-D3HARD DISK

SCSI SCSISCSI

Total length of SCSI daisy chain must not exceed 6m (20ft)

HARD DISK

CBX-D3HARD DISK

SCSI SCSISCSI

ID No. 1 ID No. 2 ID No. 3

HARD DISK

SCSI

DEVICE

SCSI

ID No. 4ID No. 5

SCSI

DEVICE

SCSI

ID No. 6

This device is

terminated

SCSI termination13SCSI termination13SCSI termination 13

SCSI termination

Unlike audio signals, digital signals only have two values: high and low (+5V and 0V).

When no data is being transmitted, it is important that SCSI bus lines are kept in the high

state (+5V), so that when data is transmitted there is a clear distinction between high and

low pulses and the data is transferred without error. To achieve this, a device known as a

SCSI terminator is connected in the SCSI daisy chain. A terminator is usually ﬁtted to the

last device in the chain.

Some SCSI devices have a built-in terminator, and must therefore be connected at the end

of the daisy chain. The CBX-D3 and many other devices utilize a detachable in-line

terminator, as illustrated below.

NOTE:

If the SCSI daisy chain is not terminated correctly, numerous problems

including data corruption, system crashes, and intermittent glitches can

occur. If you have just set up your SCSI daisy chain or have added a new

SCSI device to it and it is not working as it should, check that the SCSI daisy

chain is terminated correctly. If the problem persists, try connecting the SCSI

devices in a different order.

Terminate

this device

HARD DISK

CBX-D3HARD DISK

SCSI SCSISCSI

To the next

SCSI device

CBX-D3

(In this case the CBX-D3 is the last device connected

in the daisy chain, so the SCSI terminator is

connected as shown)

SCSI PLUG SCSI

TERMINATOR

HARD DISK 2

SCSI PLUGSCSI PLUG

SCSI CABLE

14 Chapter 6 : Working with Hard Disks14 Chapter 6 : Working with Hard Disks14 Chapter 6 : Working with Hard Disks

6 Working with Hard Disks

After connecting your hard disk, setting the SCSI ID, and installing the SCSI terminator,

you will need to format the hard disk before it can be used. The system will not recognize

an unformatted hard disk.

Formatting

Most SCSI hard disks are supplied with their own disk-formatting software. Please format

the disk according to directions given in the hard disk’s operating manual.

The formatting program will probably ask you to specify the disk’s SCSI ID number. This

is the ID number that you set using the thumbwheel or DIP switch on the hard disk unit.

You may also be asked to set the interleave value; if so, refer to the hard disk’s operating

manual for the appropriate response. Also check your computer’s manual for additional

information about connection of SCSI disk drives.

File management and backup

Once you have stored sound ﬁles to disk, you can copy, delete, or size-check them using

the same commands that you use for your other computer ﬁles.

You can also back them up using conventional data compression and backup utilities.

However, due to the relatively large size of sound ﬁles, ﬂoppy disks are not the most

effective backup media. Removable hard disks and magneto-optical disks are well suited

to this task; commonly available sizes include 88MB, 128MB, and 650MB.

Another backup option is to digitally transfer your sound ﬁles to a DAT recorder. You can

then record them back to the CBX-D3 if the need arises.

Computer utilities

There are many computer utilities available for managing ﬁles and hard disks. Disk

defragmentation utilities are particularly useful, as described below. File compression

utilities, which increase the apparent disk capacity by compressing your ﬁles, are a

different matter. We recommend that you either avoid these or use them with extreme care,

as some of these utilities are incompatible with the CBX-D3 and may effectively destroy

your sound ﬁles.

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