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DCS dCS 974 manuel d'utilisation

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Un bon manuel d’utilisation

Les règles imposent au revendeur l'obligation de fournir à l'acheteur, avec des marchandises, le manuel d’utilisation DCS dCS 974. Le manque du manuel d’utilisation ou les informations incorrectes fournies au consommateur sont à la base d'une plainte pour non-conformité du dispositif avec le contrat. Conformément à la loi, l’inclusion du manuel d’utilisation sous une forme autre que le papier est autorisée, ce qui est souvent utilisé récemment, en incluant la forme graphique ou électronique du manuel DCS dCS 974 ou les vidéos d'instruction pour les utilisateurs. La condition est son caractère lisible et compréhensible.

Qu'est ce que le manuel d’utilisation?

Le mot vient du latin "Instructio", à savoir organiser. Ainsi, le manuel d’utilisation DCS dCS 974 décrit les étapes de la procédure. Le but du manuel d’utilisation est d’instruire, de faciliter le démarrage, l'utilisation de l'équipement ou l'exécution des actions spécifiques. Le manuel d’utilisation est une collection d'informations sur l'objet/service, une indice.

Malheureusement, peu d'utilisateurs prennent le temps de lire le manuel d’utilisation, et un bon manuel permet non seulement d’apprendre à connaître un certain nombre de fonctionnalités supplémentaires du dispositif acheté, mais aussi éviter la majorité des défaillances.

Donc, ce qui devrait contenir le manuel parfait?

Tout d'abord, le manuel d’utilisation DCS dCS 974 devrait contenir:
- informations sur les caractéristiques techniques du dispositif DCS dCS 974
- nom du fabricant et année de fabrication DCS dCS 974
- instructions d'utilisation, de réglage et d’entretien de l'équipement DCS dCS 974
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

Pourquoi nous ne lisons pas les manuels d’utilisation?

Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage DCS dCS 974 ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles DCS dCS 974 et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service DCS en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées DCS dCS 974, comme c’est le cas pour la version papier.

Pourquoi lire le manuel d’utilisation?

Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif DCS dCS 974, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation DCS dCS 974. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

    © 2001 dCS Ltd All rights r eserved. R epro duction of this m anual in an y manner whatsoev er, without the wr itten p erm ission of dCS 1 is strictl y forbid den. Add itiona l copies of this m anual m ay be obta ined f rom dCS . Inform ation cont ained i n this m anual is subjec t to chang e without n otice , and whilst it is check ed f or acc ur[...]

  • Page 2

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 2 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk[...]

  • Page 3

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 3 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk P RODUCT O VERVIEW The dCS 974 DDC (Digital to Digital Con verter) is a hig[...]

  • Page 4

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 4 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Monitoring Bit Activ ity (page 56 ), Stereo Ou tput Le vel ( page 57 ), and[...]

  • Page 5

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 5 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk About this Manua l If y ou have not u sed a dCS 974 before, ple ase rea d t[...]

  • Page 6

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 6 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk C ONT ENT S Product Overview ..............................................[...]

  • Page 7

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 7 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Noise Shap ing 47 Dither 47 AES Message Edi t 48 SPDIF Message Ed it 48 Gai[...]

  • Page 8

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 8 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk SDIF-2 M essage Handling 90 SDIF-3 M essage Handling 90 Power Consum ption [...]

  • Page 9

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 9 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk[...]

  • Page 10

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 10 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk S TEP - BY -S TEP G UIDE This section guid es you t hroug h setting up the[...]

  • Page 11

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 11 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Step 1 – Selecting an Input TOP L EVEL Sample Rate Conversion Audio Inpu[...]

  • Page 12

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 12 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Connecting to a Dual AES Source do this: Check that your sour ce equi pm e[...]

  • Page 13

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 13 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Step 2 – Setting the Sy nc Source do this: Switch on the sour ce equi pm[...]

  • Page 14

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 14 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Syncing to a n AES/EBU Referenc e If you want to synchron ise your s ystem[...]

  • Page 15

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 15 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Step 3 - Sett ing a Conversion do this: If you need bit-f or-bit op eratio[...]

  • Page 16

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 16 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Sample Rate Conversion TOP LEVEL Sampl e Rate Co nversion Audio Inp ut Sel[...]

  • Page 17

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 17 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Setting the Output mode do this: Scroll do wn the Sa mple Rate Conversion [...]

  • Page 18

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 18 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Step 4 – Connecting t he Outputs Choose one of the f ollowing five secti[...]

  • Page 19

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 19 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Step 5 – Reducing the Output Wordlength If y ou are usin g Pure Format C[...]

  • Page 20

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 20 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk A wide var iet y of Nois e Shapin g and D ither s etting c om binatio ns a[...]

  • Page 21

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 21 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Other Se ttings The bas ic set-up procedur e is com plete. T he Sample Rat[...]

  • Page 22

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 22 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk T YPICAL A PP LICA T IONS Converting a 24/9 6 recording to CD format From [...]

  • Page 23

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 23 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Demultiplexing a 2 4/96 Dual A ES recording (Bit for Bit ) From 24 bit / 9[...]

  • Page 24

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 24 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Upsampling a CD 24 bit / 96kS/s (or 192 kS/s) Dual AES to DA C DIGIT AL O [...]

  • Page 25

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 25 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk General Sample Rate Conv ersion and Distribution From ANY fo rmat: AES, SP[...]

  • Page 26

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 26 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk PCM to DSD From PCM in ANY fo rmat: AES, SPDIF , T osli nk or SDIF-2 at sa[...]

  • Page 27

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 27 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Using a Mast er Clock 16 bit / 44.1k S/s digit al audi o Dual AES up to 24[...]

  • Page 28

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 28 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Converting Quad AES to CD Format 16 bit / 44 .1kS/s (CD f ormat) 24 bi t /[...]

  • Page 29

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 29 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Multi-channel Sample Rate Conv ersion – bit aligned sources 44.1kS/s SOU[...]

  • Page 30

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 30 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Multi-channel Samp le Rate Conversion – Using a M aster Clock 44.1kS/s S[...]

  • Page 31

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 31 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Multi-channel Samp le Rate Conv ersion – with more alignment tolerance F[...]

  • Page 32

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 32 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Multi-channel Samp le Rate Conversion – with multiple sample rates out A[...]

  • Page 33

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 33 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk FROM SOURCE 96kS/s Ch1 & 2 96kS/s Ch3 & 4 96kS/s Ch7 & 8 AES 1[...]

  • Page 34

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 34 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk T HE S OFTW AR E – M ENU AND S ETUPS AES 1 AES 2 Audio Input AES 3 AES L[...]

  • Page 35

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 35 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Rese t max h old Displ ay max ho ld Maximise! Normal Swapped Normal Left i[...]

  • Page 36

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 36 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Navigat ing through the Menu – what the On- Screen sy mbols mean Once th[...]

  • Page 37

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 37 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk The c ursor has c hanged to to indicate th at the bottom lev el has b een [...]

  • Page 38

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 38 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Top Menu The top menu contains the m ajor entr ies: - Sample Rate Conversi[...]

  • Page 39

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 39 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Format Conversi on The def ault sett ing is SRC m ode on, FC mode Of f. To[...]

  • Page 40

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 40 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Bit A ctivity Monitors This menu turns on bit ac tivit y monit ors on t he[...]

  • Page 41

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 41 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Sample Rate Conv ersion / Format Conversion Submenu The Sample Rate Conver[...]

  • Page 42

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 42 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Multiple Channel Sync This option is either On or Off . The unit uses the [...]

  • Page 43

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 43 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Input Sample Rate For PCM in put m odes, th e input s am ple rate can b e [...]

  • Page 44

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 44 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk OUTPUT SAMPLE RATE (kS/s) 11.025 12 16 22. 05 24 32 44.1 48 88.2 96 176.4 [...]

  • Page 45

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 45 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk For a 2 Pass conversi on, convert the i nput to an inter m ediate sam ple [...]

  • Page 46

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 46 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk In Out Number of Filt ers Available DSD DSD 8 PCM DSD 8 192 96 4 176.4 88.[...]

  • Page 47

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 47 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Noise Shaping Noise Shaping is a t echni que in which the noise ener gy ad[...]

  • Page 48

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 48 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk AES M essage Edit This menu sets the mes sage bits on the AE S outp uts. P[...]

  • Page 49

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 49 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk IMPORTANT! Use posit ive gain with care as the unit does not mo nitor over[...]

  • Page 50

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 50 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Detect Silence Detect Silence is a PCM onl y opt ion that gi ves dig ital [...]

  • Page 51

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 51 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk To displa y a parameter that is not m ark ed, firs t check that no m ore t[...]

  • Page 52

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 52 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Error Monitor Submenu The dCS 974 keeps c ount of CRC, Par ity an d Invali[...]

  • Page 53

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 53 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Test Submenu Generato r Overv iew The dCS 974 includes a high quality digi[...]

  • Page 54

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 54 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk To set up the ge nerator , press → → → → twice t o m ove to the m [...]

  • Page 55

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 55 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk If you select a frequenc y that is m ore than 2 outputFs , the fr equenc y[...]

  • Page 56

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 56 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Info Submenu To displa y inform ation about the unit , return to t he top [...]

  • Page 57

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 57 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Level Meters Submenu Leve l Meter Over vie w The Level Met ers monitor the[...]

  • Page 58

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 58 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Meter Type (Bar or Numerical) To c hange bet ween Numerical or Bar level m[...]

  • Page 59

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 59 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk None Disables th e Peak Hold feature. 320ms thru 1600ms Sets the Peak Hold[...]

  • Page 60

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 60 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Display Submenu The f inal option o n the to p level m enu is Display . Se[...]

  • Page 61

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 61 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Setups and Locking the Front Panel Storing a Setup The dCS 974 featur es 1[...]

  • Page 62

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 62 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk If Store 4 has been named Demo , the dis pla y will n ow look sim ilar to [...]

  • Page 63

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 63 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Fixed Setups In addition to the 12 user s etups, ther e are 1 2 fixed setu[...]

  • Page 64

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 64 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Either s elect on e of these or pres s the Re call button again to togg le[...]

  • Page 65

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 65 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk[...]

  • Page 66

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 66 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk T HE H ARDW ARE – C ONT ROLS A ND C ONNECT O RS Rear Panel PUSH PUSH PU [...]

  • Page 67

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 67 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Signal Outputs AES/EBU Digital Outputs 3 pin XLR Male (4 off – AES 1 , A[...]

  • Page 68

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 68 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Front Panel Recall Edit Store Enter Status Set OPERA TION MEMORY Power D t[...]

  • Page 69

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 69 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk LED indicators A group of L ED indic ators to the righ t of the LCD disp l[...]

  • Page 70

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 70 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk dCS 974 T ECHNI CAL I NF ORMA TION Digital Data Formats Supported dCS 974 [...]

  • Page 71

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 71 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk DSD Filter Options DSD is a s ingle b it ver y high sam ple rat e (2.822 M[...]

  • Page 72

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 72 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk SACD 13 specif ies ultrasonic noise in tw o bands . Thes e are spec s inf [...]

  • Page 73

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 73 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk PCM Input and/or Output Performance Filtering The norm al f iltering co ns[...]

  • Page 74

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 74 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Figure 20 – Tr ansient Per form ance of 96 k S/s Filter Opti ons Spurs S[...]

  • Page 75

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 75 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Noise Noise ar ises f rom proc essing rou nding errors , and from st op ba[...]

  • Page 76

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 76 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Clocking The s ample clock qual ity sig nificant ly deter m ines the ou tp[...]

  • Page 77

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 77 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Sample A lignment The dCS 974 ali gns sa mples such t hat SDIF WCLK OUT al[...]

  • Page 78

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 78 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk W hen SDIF WCLK IN is used as a sync sourc e, in and out ar e relat ed as [...]

  • Page 79

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 79 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk AES3 in and out are relat ed as below, wher e the y are at the s am e sam [...]

  • Page 80

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 80 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk DSD data out is a ligned to W ordclock transitio ns, as b elow – the wor[...]

  • Page 81

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 81 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Multiple Channel Sy nc’ing Multip le chann el s ync’ing r equires m or[...]

  • Page 82

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 82 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Figure 28 – 44.1 k S/s to 96 k S/s PCM, showing AES3 a lignm ent Figure [...]

  • Page 83

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 83 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Figure 30 – 44.1 k S/s to D SD, sho wing DSD bit alignm ent Multiple Cha[...]

  • Page 84

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 84 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Noise Shap ing The dCS 974 uses noise shap ing 22 that is opt im ised to t[...]

  • Page 85

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 85 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Dither The dCS 974 uses relati vely unusu al dit her g enerators to achie [...]

  • Page 86

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 86 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Digital I nterface S pecificati ons AES/ EBU (AES 3) Input O utput Ty p e [...]

  • Page 87

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 87 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk SPDIF (optical) Input Output Ty p e Optica l Maxim um W ordlength 24 24 bi[...]

  • Page 88

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 88 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Message H andling The dCS 974 strips the mes sage infor m ation from the i[...]

  • Page 89

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 89 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk SPDIF M essage Han dling The SPDIF inte rfac e (sometim es known as the C [...]

  • Page 90

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 90 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk SDIF-2 M essage Han dling The SDIF-2 interf ace is a 4 wir e NRZ interf ac[...]

  • Page 91

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 91 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Power Consumption The dCS 974 has a linear power suppl y, and s o power c [...]

  • Page 92

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 92 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Size, Weight and Operating Conditions Size and We ight The dCS 974 dimensi[...]

  • Page 93

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 93 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk[...]

  • Page 94

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 94 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk dCS 974 P ERFORM ANCE C UR VES The graphs on the followi ng pages s ho w k[...]

  • Page 95

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 95 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk D i ther Only S p e c tra , no S i g na l dCS 97 2 S W v 1. 54 -150 -140 -[...]

  • Page 96

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 96 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Spectra of - 90 dB 24 b i t sin ewav e tr u n cated to 16 bits w i th d it[...]

  • Page 97

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 97 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Spot Q Noise for DS D Filters in 400 H z ban dwidth -200 -180 -160 -140 -1[...]

  • Page 98

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 98 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Spo t Q N oise fo r DS D Filt ers , F Wei ght ed in 400 Hz b andwid th -28[...]

  • Page 99

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 99 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk 4 8 k S /s to 4 4 .1 kS /s F i lter s dCS 97 2 S W v 1. 54 -150 -140 -130 [...]

  • Page 100

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 10 0 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Figure 42 – 32 kS/s noise s haper c urves 44.1 kS/s N oi se S h ap e P[...]

  • Page 101

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 10 1 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk 48 kS/ s N oi se Sh ape Pl ot s dCS 972 S W v 1. 54 -36 -30 -24 -18 -12 [...]

  • Page 102

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 10 2 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk 96kS/s N oi se Sh a pe Plot dCS 97 2 S W v 1. 54 -60 -54 -48 -42 -36 -30[...]

  • Page 103

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 10 3 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk[...]

  • Page 104

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 10 4 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk G ENERAL T ECHNIC AL I NF ORMA TION Word Length Reduction W ord length r[...]

  • Page 105

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 10 5 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk The 0 dB referenc e leve l is tak en as the minim um noise we cou ld pos[...]

  • Page 106

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 10 6 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Noise shapi ng on its own is not perf ect. It rel ies on a sm all am oun[...]

  • Page 107

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 10 7 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk N oi se Sh aper, N oise Sh aper w i t h Di th er, an d Di th er O n l y [...]

  • Page 108

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 10 8 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk When is Dith er Need ed? Dither ( on its o wn or with noise shapin g) is[...]

  • Page 109

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 10 9 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk[...]

  • Page 110

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 11 0 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk U SING Y OUR dCS 974 F OR T HE F IRST T IME What’s in t he Box? The c [...]

  • Page 111

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 11 1 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk do this: Press the R ecall butto n. W hen the displa y changes to the R [...]

  • Page 112

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 11 2 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Installing the Unit in a Rack The unit is suppli ed with 19" rac k [...]

  • Page 113

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 11 3 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk[...]

  • Page 114

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 11 4 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk O PT IONS The f ollowing options m a y be fitted to n ew units or retrof[...]

  • Page 115

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 11 5 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk[...]

  • Page 116

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 11 6 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk M A I NTEN ANCE A ND S UPPORT Hardware Service & M aintenance dCS au[...]

  • Page 117

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 11 7 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Software Installing New Softw are There are two maj or com ponents of s [...]

  • Page 118

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 11 8 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Warran ty Initial Warrant y dCS Ltd. warr ant this product aga inst def [...]

  • Page 119

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 11 9 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Update or Calibration You ma y wish to ha ve your unit updated occ asion[...]

  • Page 120

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 12 0 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk T ROUBLESHOOTING FA Qs The u nit fails to lock to a sou rce sign al. •[...]

  • Page 121

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 12 1 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Output audio bandwidth is low. • Durin g sam ple rate convers ion, the[...]

  • Page 122

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 12 2 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk “Invalid Fs Out for Fs In” message. • You ha ve selec ted a combin[...]

  • Page 123

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 12 3 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk If You Need More Help Contact dCS . O ur of fice hours are 8:00 a.m . to[...]

  • Page 124

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 12 4 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk I NDEXES AND S OFTW ARE V ERSION N UMBERS This manual is for sof tware v[...]

  • Page 125

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 12 5 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Figures Figure 1 – Audio Input Selecti on ............................[...]

  • Page 126

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 12 6 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Keywords and Phrases # ← button ......................................[...]

  • Page 127

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 12 7 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Dual AES to sing le wire ................................. 23 E Edit but[...]

  • Page 128

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 12 8 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk Maxim ise, using ............................................. 49 Memor [...]

  • Page 129

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 12 9 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk selecting a n input ........................................... 11 selec[...]

  • Page 130

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 13 0 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk[...]

  • Page 131

    dCS 974 User Manual Manual f or Softwar e Vers ion 1. 0x dCS Ltd May 2001 Manual part no: DOC 12411 21A1 Page 13 1 Docume nt No: OS -MA-A0 124-1 12.1A1 Contact dCS on + 44 1799 531 999 email to: more@dcsltd.co. uk (inside the UK replace + 44 with 0) web site: www.dcslt d.co.uk  2nd Owner Owner Registration Tr ansfer To trans fer the bal ance of [...]