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Operation Manual

Software version 2.3.0

...Intelligent Solutions For The Recording Studio

DCD#8

Word)Clock)Distripalyzer)

Owner’s)manual

Version(2.30

August(2010

All(materials(herein(©(Brainstorm(Electronics,(Inc.

Brainstorm(Electronics(reserves(the(right(to(change(or(modify(the(contents(

of(this(manual(at(any(time.

Credits

Concept:(AID,(Brainstorm(Electronics

Software:(Gerry(Lester

Manual:(Bernard(Frings,(Gerry(Lester,(Janice

Technical(Assistance:(Jim(Pace,(Jeff(Evans

Brainstorm)Electronics,)Inc.

www.brainstormtime.com

Page 2 DCD-8 User Manual

Table of contents

1. INTRODUCTION ...................................................3

2. I/O’S DESCRIPTION AND CABLE REQUIREMENTS .........................4

3. INSTALLATION ....................................................5

4. QUICK START .....................................................5

5. FRONT PANEL DISPLAY & LED’S .......................................6

6. NAVIGATION KEYS ................................................7

7. MENU NAVIGATION ...............................................8

8. MENUSDESCRIPTION ..............................................9

01- Rate A ...................................................9

02- Reference A ...............................................9

03- Alternate Reference ........................................10

04- Word Clock Out ..........................................10

05- Audio Out ...............................................10

06- Audio In A ..............................................10

07- Audio In B ...............................................11

13- Alt Ref Auto Relock ....................................... 11

21- Rate B ..................................................11

22- Reference B ..............................................11

31- Optical I/O ..............................................12

33- AES Input Default Clock Source................................12

41- Input Status ..............................................12

42- Termination...............................................12

51- Video Option (menus 51-59 reserved for VSG-4 option card) .........12

91- Menu Lockout ............................................13

92- Settings .................................................13

93- Names ..................................................13

99- DCD-8 Software version & FW Serial No ........................14

9. NON-VOLATILE STORAGE ..........................................14

10. LOCK STATUS...................................................14

11. DEFINING THE RATE: Set, Auto & Learn................................15

12. VSO ......................................................... 16

13. SOURCE REFERENCE FAILURE OPTIONS...............................17

14. AUDIO ROUTING ................................................19

15. FIREWIRE.......................................................20

16. UPDATING THE DCD-8 FIRMWARE ...................................21

17. REF B - Main Display ..............................................22

18. APPENDIX .....................................................22

Pulled Rates .................................................22

Multiplier Rates ...............................................23

Error Messages ...............................................23

Digital Audio Formats .........................................25

Word Clock phase alignment to Video ............................ 26

Video Input Formats .......................................... 26

Factory Default Settings ........................................27

19. OPTION CARDSFOR THE DCD-8 ....................................27

20. USER’S SETTINGS................................................28

DCD-8 User Manual Page 3

1. Introduction

Congratulations on purchasing the DCD-8 Word Clock Distripalyzer. In the tradition

of the Brainstorm Distripalyzers, the DCD-8 is a Word Clock distributor, striper and

analyzer.

Bglb]^ma^=<=&1blZo^kr_e^qb[e^`^g^kZmhkpbmanemkZehp&cbmm^k'PbmabmlfZgrB(Hlma^

=<=&1blZ\hfie^m^phk]\eh\dlhenmbhg'BmlfZbg_^Zmnk^lbg\en]^3

Phk]\eh\d`^g^kZmhk

Phk]\eh\d^qmkZ\mhk

 Phk]\eh\d]blmkb[nmhk

Phk]\eh\dZgZers^k

 ?hkfZm\hgo^km^k

=b`bmZe:n]bhkhnm^k

Ob]^hLrg\@^g^kZmhk!himbhgZe"

1.1. SYSTEM ARCHITECTURE

The DCD-8 generator has 2 domains, A& B, each capable of generating a differ-

ent rate. Any rate can be generated, up to 192KHz.

The DCD-8 can be referenced to any of the inputs: WC, AES, S/PDIF, Optical,

video or internal crystal.

The A and the B rates can be assigned to any word clock BNC output and audio

output, as silent audio.

In addition, each domain can re-clock any audio input and route it to any audio output.

AUDIO OUTPUTS

REFERENCE SELECTOR

WC GENERATOR

“A” DOMAIN

Rate selection

WC GENERATOR

“B” DOMAIN

Rate selection

BNC OUT 1&2 BNC OUT 3&4 BNC OUT 5&6 BNC OUT 7&8

MULTIPLIER

Domain Select

AES/EBU OUT S/PDIF OUT ADAT OUT 1394

Domain Select Domain Select Domain Select

WORD CLOCK OUTPUTS

AUDIO INPUT SELECTOR

AUDIO RECLOCKING

“A” Domain

AUDIO RECLOCKING

“B” Domain

Source Select Source Select Insert Select

WC 1

WC 2

WC 3

AES 1

AES 2

AES 3

S/PDIF

OPTICAL

VIDEO

INTERNAL

AES 1

AES 2

AES 3

S/PDIF

1394

OPTICAL

Page 4 DCD-8 User Manual

2. I/O’s Description and Cable Requirements

1 2 3 4 5 6 7 8 9 10

1. POWER

The DCD-8 requires 12VDC @ 25W. Acceptable

voltage range is 12VDC +/-15%.

The external power supply provided with the DCD-8

can accept 100 to 240 VAC input at 50 - 60 Hz so

it is suitable for use anywhere in the world.

➢Use the standard IEC power cable supplied.

2. 1394

This IEEE 1394 I/O is used to send /receive digital

audio to /from a FireWire device and to update

the DCD-8 firmware.

➢Use standard 6-pin FireWire 400 cables.

3. OPTICAL

Optical transmitter & receiver - this I/O accepts

ADAT or S/PDIF optical audio signals. See menu

31 for selecting the appropriate format.

➢Use standard optical fiber cables.

4. S/PDIF

2 RCA connectors - I/O. transformer isolated

Used for coaxial S/PDIF.

➢Use standard 751RCAcoaxial cables.

5. AES/EBU IN

2 XLR female connectors - Transformer isolated bal-

anced inputs; accepts AES3 or AES11.

➢Use standard 3-conductor shielded 1101XLR

cables.

6. AES/EBU OUT

2 XLR male connectors - Transformer isolated bal-

anced outputs for AES3 or AES11.

➢Use standard 3-conductor shielded 1101XLR

cables.

7. VIDEO REF (IN & LOOP)

2 BNC connectors - Input & Loop through

Accepts NTSC, PAL or HD analog reference signal

IMPORTANT NOTES:

UÊ/ÃÊ«ÕÌÊÃÊÕÌiÀ>Ìi`°ÊvÊÌiÊnÊÃÊÌiÊ

last item in the chain, it needs to be terminated by

placing a 751terminator on the loop BNC.

UÊvÊÌiÊÛ`iÊÀiviÀiViÊÃÊÊ>>}ÊÃ}>]ÊÜiÊÀiV-

ommend NOT DAISY-CHAINING IT.

➢Use a standard 751video cable.

8. WORD CLOCKIN

2 BNC connectors - Transformer isolated WC inputs

- also accepts 10MHz GPS

Internally AC coupled and terminated, 751.

➢Use standard 751coaxial BNC cables.

9. WORD CLOCKOUT

8 BNC connectors - WC outputs grouped in 4

pairs: 1&2, 3&4, 5&6, 7&8.

➢Use standard 751coaxial BNC cables.

10. VIDEO SYNC GEN OUT (Optional)

For info, see the VSG-4 Video Sync Generator’s

manual.

1211

11. WORD CLOCKINPUT 3 - FRONT PANEL

1 BNC connector - transformer isolated

This connector is identical to the other 2 WC inputs

on the rear panel.

➢Use a standard 751coaxial BNC cable.

12. AES/EBU INPUT 3 - FRONT PANEL

1 BNC connector - transformer isolated

This front panel BNC accepts unbalanced AES/EBU

input (AES3id).

➢Use a standard 751coaxial BNC cable.

DCD-8 User Manual Page 5

3. Installation

3.1. UNPACKING

When unpacking the DCD-8 the following items should be in the shipping carton:

UÊ nÊÕÌ

UÊ 1ÛiÀÃ>Ê*ÜiÀÊ-Õ««ÞÊ£Ó6ÊJÊÓxÜ®

UÊ Ê«ÜiÀÊV>Li

UÊ "ÜiÀ½ÃÊ>Õ>ÊEÊ,i}ÃÌÀ>ÌÊV>À`

3.2. INSTALLING THE DCD-8

The DCD-8 is designed to be mounted in a standard 19” rack. It requires 1U in height.

Ideally, it should be located near your AD/DAand in the same rack.

Usual precautions should be respected when wiring the DCD-8: use high quality cables with

good shield to guarantee a good signal transmission. Keep your cables as short as possible.

Devices connected to the DCD-8’s WC outputs need to be terminated. If no termination is pro-

vided on the device, use a BNC-T with a 751termination. If multiple devices are connected to

a single DCD-8 WC output, only the last device in the chain should be terminated. However,

to preserve the integrity of the transmission line, it is recommended that you do not daisy-

chain word clock outputs as it can significantly degrade signal quality.

4. Quick Start

The DCD-8 is extremely versatile and can accommodate many different situations. You

should read this manual to familiarize yourself with its many features. The following

simple steps are only provided to get you started right away.

Connect the power supply provided with the DCD-8 to the 4 pin power connector on the

rear panel and plug the IEC cable into a proper wall outlet. This turns on your unit.

If the unit has already been used, refer to page 13 to reset the factory settings. If not, out of the

box, the DCD-8 is set to generate a 48KHz Word Clock, referenced to its internal crystal. This

rate is fed to all WC outputs, as well as all audio outputs (as silent audio).

4.1. CHANGING THE RATE

To select a different rate, follow these steps:

UÊ *ÀiÃÃÊÌiÊQSET UP]key (the SET UP LED lights up)

UÊ ÊiÕÊä£]Ê«ÀiÃÃÊÌiÊQRIGHT] navigation key once to move to the Rate field

UÊ *ÀiÃÃÊÌiÊQUP] ÀÊQDOWN] keys to select the desired rate

UÊ *ÀiÃÃÊÌiÊQENTER] key to confirm your choice

UÊ *ÀiÃÃÊÌiÊQSET UP]key again to exit SET UP (the Set Up LED goes out)

Your selection is reflected in the upper right corner of the LCD display, following FQ A.

4.2. CHANGING THE REFERENCE

To select a different reference, follow these steps:

UÊ *ÀiÃÃÊÌiÊQSET UP]key (the SET UP LED lights up)

UÊ *ÀiÃÃÊÌiÊQUP] navigation key once to go to Menu 02

UÊ *ÀiÃÃÊÌiÊQRIGHT] navigation key once to go to the REF selection

UÊ *ÀiÃÃÊÌiÊQUP] ÀÊQDOWN] keys to select the desired reference

UÊ *ÀiÃÃÊÌiÊQENTER] key to confirm your choice

UÊ *ÀiÃÃÊÌiÊQSET UP]key again to exit SET UP (the Set Up LED goes out)

Your selection is reflected in the upper left corner of the LCD display, following REF.

Page 6 DCD-8 User Manual

5. Front Panel Displays & LED’s

The DCD-8 has been designed so that the relevant information would always be avail-

able at a glance on it’s front panel.

5.1. LCD DISPLAY

The 80 character LCD is broken into three separate areas:

UÊ ivÌ\Ê`Ã«>ÞÃÊÌiÊVÕÀÀiÌÞÊÃiiVÌi`ÊÀiviÀiViÊ>`ÊÌ½ÃÊvÀiµÕiVÞ

UÊ iÌiÀ\ÊÃÜÃÊÌiÊVÊ-Ì>ÌÕÃ

UÊ ,}Ì\Ê`Ã«>ÞÃÊÌiÊÃiiVÌi`ÊÊEÊÊvÀiµÕiViÃ°

A)&)B)FrequenciesSelected)Reference Lock)Status

5.2. OUTPUT ASSIGNMENTS LED’S

To know what signal has been assigned to each output, there are 22 LED’s describ-

ing the selections made.

Word Clock Outputs: A-B

These LED’s indicate which frequency has been

assigned to each WC output pair: Aor B.

For WC Outputs 7&8, 5 LED’s indicate if a multi-

plier has been applied.

Audio Outputs: A-B-Audio

UÊ vÊ¼Õ`½ÊÃÊvv]ÊÌiÊÕÌ«ÕÌÊÃÊÃiÌÊ>Õ`Ê>ÌÊÌiÊ

Aor B rate; LED’s indicate which.

UÊ vÊ¼Õ`½ÊÃÊ]ÊÌiÊÕÌ«ÕÌÊÃÊÌiÊ>Õ`ÊÃÕÀViÊÃiiVÌi`ÊÊiÕÊÈÊvÀÊÊÀÊÇÊvÀÊ°

5.3. WC GEN LED’S

4 different “pull” coefficients are available. Each has a corre-

sponding LED for Aand B domains:

UÊ ³Ê{°£È¯

UÊ ³Êä°£¯

UÊ Ê ä°£¯

UÊ Ê {°ä¯

These coefficients can be combined to create +4.27% and -4.096%.

VSO (varispeed) LED indicates that another rate (non-standard) is generated.

DCD-8 User Manual Page 7

5.4. WARNING LED’S

REF ERROR: a failure of the selected reference occurred

ALT REF: the DCD-8 had to switch to the alternate reference

PHASE ERROR: one of the inputs is out of phase (see menu 41)

TERMINATION: a unit connected to one of the WC outputs is improp-

erly terminated (see menu 42)

B REFERENCE: domain B is not using the same reference as domain A

(see menu 22)

5.5. VIDEO SYNC LED’S

These LED’s are only active if the optional VSG-4 Video Sync

Generator card has been installed in your DCD-8.

For information on these LED’s and the operations of the optional

Video Sync Generator card, please refer to the VSG-4 manual.

6. Navigation Keys

6.1. SET UP KEY

To access the different menus, press the

QSET UP]key.

While in Set Up mode, the SET UP LED

is on.

To exit the Set Up mode, simply press

ÌiÊQSET UP]key again.

6.2. ENTER KEY

-VÀ}ÊÌÀÕ}ÊÌiÊ`vviÀiÌÊÛ>ÕiÃÊÜÊÌÊ>vviVÌÊ>ÞÌ}°Ê"ÞÊ>vÌiÀÊÌiÊQENTER] key

is pressed will a change take place.

7iÊiÝÌ}Ê>ÊiÕÊÜÌÕÌÊ«ÀiÃÃ}ÊÌiÊQENTER] key, the changes are lost.

6.3. UP, DOWN, LEFT, RIGHT KEYS

/iÃiÊiÞÃÊ>ÀiÊ`ÀiVÌÞÊivÌÊvÊÌiÊQENTER] >`ÊQSET UP]keys. They are not labeled as such

because their function is fairly obvious.

7iÊÊ-iÌÊ1«Ê`i]ÊÌiÊQUP] >`ÊQDOWN] keys are used to change the value of the

ÃiiVÌi`Êvi`]ÊÜiÊÌiÊQLEFT] >`ÊQRIGHT] keys are used to select the different fields.

[UP] >`ÊQDOWN] keys are also used to change menu pages.

Down

Left

Right

Page 8 DCD-8 User Manual

7. Menu Navigation

7.1. SELECTING AMENU

When the Set Up mode is entered, the LCD display switches to the Set Up menu last

used, with the cursor on the far left position in the upper line.

/ÊÛiÊÌÊ>ÌiÀÊiÕ]ÊÜÌÊÌiÊVÕÀÃÀÊÊÌiÊÕ««iÀÊivÌÊ«ÃÌ]Ê«ÀiÃÃÊÌiÊQUP] or

QDOWN] key.

7.2. CHANGING VALUES

/Êi`ÌÊiÊvÊÌiÊvi`ÃÊÊÌiÊ VÕÀÀiÌÊiÕ]Ê«ÀiÃÃÊÌiÊQRIGHT] ÀÊQLEFT] key to move the

VÕÀÃÀÊÌÊÌiÊ`iÃÀi`Êvi`°Ê/i]Ê«ÀiÃÃÊÌiÊQUP] ÀÊQDOWN] key to change the value.

ÌiÊÌ>ÌÊÊV>}iÊÜÊÌ>iÊivviVÌÊÕÌÊÌiÊQENTER] key is pressed. When exiting a

iÕÊÜÌÕÌÊ«ÀiÃÃ}ÊÌiÊQENTER] key, the changes are lost.

7.3. THE CURSOR

/iÊVÕÀÃÀÊ«ÃÌÊÃÊ`V>Ìi`ÊÜÌÊ>Ê¼½ÊV>À>VÌiÀ]Ê«iiÌi`Ê>ÃÊÛiÀÃiÊÛ`i]Êv>Ã-

ing on and off. For alpha-numeric entry such as the User Preset NAMES, an additional

underline cursor appears beneath the digit column being adjusted.

vÌiÀÊ>ÊÛ>ÕiÊÃÊi`Ìi`]ÊÌiÊVÕÀÃÀÊV>}iÃÊÌÊ>ÊÃ`ÊÌÀ>}i]ÊÕÌÊÌiÊQENTER] key is

pressed.

vÊÌiÊVÕÀÃÀÊÃÊÛi`ÊÌÊ>ÌiÀÊvi`ÊÜÌÕÌÊ«ÀiÃÃ}ÊÌiÊQENTER] key first, the solid

triangle stays in front of the edited field to indicate a change was made but not

entered yet.

7.4. STATUSVALUES

Throughout the different menus, values appear in the display enclosed in square

brackets. These are status values.

Status values are the values actually obtained, based on a menu selection. In some

cases, this might be a rate in Hz. In others it might be a different value if the one

>Ãi`ÊvÀÊÃÊÕ>Û>>Li°ÊÀÊiÝ>«i]ÊÊiÕÊx]ÊvÊÕ`ÊÃÊÕ>Û>>LiÊQÕÌiRÊÜÊ

be displayed.

7.5. SET VS. AUTO VS. LEARN

The words “Set”, “Auto” and “Learn” are used to distinguish whether the user is establish-

ing the value (Set) or if the system is deducing the value automatically (Auto & Learn).

See chapter 11 for more information on these functions.

DCD-8 User Manual Page 9

8. Menus Description

Please note that some of the menu options will change based on your selections. As an

example, if S/PDIF has been selected in menu 31 as the optical connector format, ADAT

no longer appears as a reference option in menu 02, and vice-versa.

8.1. MENU 01: RATE A

The DCD-8 has 2 domains, A & B. Each domain can have it’s own rate. Menu 01

lets you change the A rate.

- In SET mode, a specific frequency can be selected;

- in AUTO mode, the reference’s rate is mirrored and automatically selected.

LmZmnlblma^Z\mnZekZm^bgAs'

NOTE: AUTO is not available if the reference is Internal, VSO or Video.

8.2. MENU 02: REFERENCE A

Menu 02 lets you select a reference for the A domain from the following choices:

Internal WClk 2 AES 2 ADAT

VSO WClk 3 AES 3 Optical

WClk 1 AES 1 S/PDIF Video

GPS: WC inputs can also accept and detect a 10MHz 5volt TTL signal, such as those

«ÀÛ`i`ÊLÞÊ>Ê*-°Ê, ÊÜÊ`Ã«>ÞÊ¼£äâ½°

NOTE: Some of the choices listed above may not always be available.

Ê6-"ÊÃÊÌÊ>Û>>LiÊvÊiÕÊx£ÊÃÊÃiÌÊÌÊ¼>LiÊ-ÊÞ½ÊÃiiÊV>«ÌiÀÊ£Ó°Ó]Ê«°£Ç®

Ê-ÊÎÊEÊ/Ê>ÀiÊÌÊ>Û>>LiÊvÊiÕÊÎ£ÊÃÊÃiÌÊÌÊ¼-É*Ê"«ÌV>½

Ê"«ÌV>ÊÃÊÌÊ>Û>>LiÊvÊiÕÊÎ£ÊÃÊÃiÌÊÌÊ¼/½

When selecting an external source, a RATE menu appears on the bottom line. RATE has

2 modes: - LEARN, the DCD-8 determines the incoming rate,

- SET, the user determines the incoming rate.

For more information on Set vs. Learn, go to chapter 11.

VSO: When VSO is selected, the bottom line shows the speed adjustment, measured

in cents (semitone/100), with a parallel readout of the corresponding percentage

speed change. The VSO range is +/- 200 cents4+pahe^mhg^l!$*+'+./+mh

&*)'2*)*". Adjustments are Fine (1 cent steps) or Coarse (10 cents steps). See chapter

12 for more on VSO.

NOTE: When adjusting the VSO cents value in the menu, the changes take effect immedi-

>ÌiÞ°Ê/iÀiÊÃÊÊii`ÊÌÊ«ÀiÃÃÊQENTERRÊvÀÊiÛiÀÞÊÃ«ii`ÊV>}i°

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