BS 7946-1997 Handbook of audio and video symbols《音频和视频符号手册》.pdf
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1、BRITISH STANDARD BS 7946:1997 IEC 1320:1996 Handbook of audio and video symbols ICS 01.080.20; 33.160.01BS7946:1997 This British Standard, having been prepared under the directionof the Electrotechnical Sector Board, was published underthe authorityof the Standards Boardand comes intoeffect on 15 Fe
2、bruary 1997 BSI 02-1999 The following BSI references relate to the work on this standard: Committee reference EPL/100/3 Draft for comment 94/204471 DC ISBN 0 580 26925 6 Committees responsible for this BritishStandard The preparation of this British Standard was entrusted by Technical Committee EPL/
3、100, Sound, vision and multimedia systems and equipment, to Subcommittee EPL/100/3, Equipment and systems in the field of audio, video and audiovisual engineering, upon which the following bodies were represented: Association of British Theatre Technicians Audio Engineering Society British Broadcast
4、ing Corporation British Educational Suppliers Association British Federation of Audio British Radio and Electronic Equipment Manufacturers Association British Telecommunications plc Federation of the Electronics Industry Independent Television Association (ITVA) Institute of Sound and Communication
5、Engineers Institution of Electrical Engineers International Association of Broadcasting Manufacturers Professional Lighting and Sound Association Royal Institute of British Architects Royal National Institute for Deaf People Society of Cable Television Engineers Amendments issued since publication A
6、md. No. Date CommentsBS7946:1997 BSI 02-2000 i Contents Page Committees responsible Inside front cover National foreword ii 1 Scope 1 2 Introduction 1 3 Normative references 1 4 Survey of symbols 2 5 Symbols and applications 8 6 Index 44 List of references Inside back coverBS7946:1997 ii BSI 02-2000
7、 National foreword This British Standard has been prepared by Subcommittee EPL/100/3 and is identical with IEC1320:1996 Handbook of audio and video symbols, published by the International Electrotechnical Committee (IEC). For ease of reproduction some of the French version of the text has been retai
8、ned. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references Publication referre
9、d to Corresponding British Standard IEC 417:1973 BS 6217:1981 Guide to graphical symbols for use on electrical equipment (Technically equivalent) IEC 536:1976 BS 2754:1976 Memorandum. Construction of electrical equipment for protection against electrical shock. (Technically equivalent) ISO 7000:1989
10、 BS 7324:1990 Guide to graphical symbols for use on equipment (Identical) Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages1 to 52, an inside back cover and a back cover. This standard has been updated (see copyright date) and may have had amendment
11、s incorporated. This will be indicated in the amendment table on the inside front cover.BS7946:1997 BSI 02-2000 1 1 Scope This handbook contains graphical symbols to be used on equipment and systems in the field of audio, video and audiovisual engineering. The symbols contained in this handbook are
12、selected from IEC417and other relevant documents. The editorial form of the document was created by IEC/TC84, but the drawings of the symbols and the text of titles and applications are in line with IEC417and other documents. 2 Introduction The first symbols on audio and video equipment were mainly
13、designed to overcome the lack of printing area for textual explanation in various languages, or to overcome the difficulty in producing separate models for various linguistic or geographical areas. Later on, symbols improved the appearance of the equipment, or simply were necessary because of the gr
14、owing number of functions in small areas. After initially designing symbols according to the appearance of the function or piece of equipment (loudspeaker, lamp, battery), later the movement or operational effect was used (forward play, eject). On a major scale, symbols were used for very different
15、functions. At first glance, the symbol for an amplifier looks very much the same as for “forward” and the symbol near the button to close or open elevator doors seems much like those used on recent video cassette recorders. This book arranges the symbols according to a logical classification. Intens
16、ive discussion took place about how to arrange the symbols; the best solution being the classification according to function. As a result, a mix between function and appearance was chosen, in which another concept was also used, namely the combination of symbols. In the latter case, a “host” symbol
17、uses another symbol to indicate a subfunction. A combination of a generic and supplementary symbol can lead to a complete new series of symbols, for example, the teletext mode as a combination symbol and at the same time as a new generic symbol. In some cases, no logical structure seems evident, as
18、in the symbols for picture functions of a colour television receiver, but nevertheless they are grouped because of the functional relationship. This handbook not only gives a historic view on some of the development of symbols, but also gives, for the audio and video domain, help and inspiration for
19、 further developments. An unusual feature of this handbook is the general survey of symbols. This does not consist of numbers or names, but gives a complete spreadsheet-view of all audio and video symbols. 3 Normative references All the symbols can also be found in the documents referred to hereafte
20、r. In case of doubt the original documents are authentic. IEC 417:1973, Graphical symbols for use on equipment. Index, survey and compilation of the single sheets. IEC 536:1976, Classification of electrical and electronic equipment with regard to protection against electrical shock. ISO 3864:1984, S
21、afety colours and safety signs. ISO 7000:1989, Graphical symbols for use on equipment: Index and synopsis. BS7946:1997 2 BSI 02-2000 4 Symboles cits/Survey of symbols Symbole originel Generic symbols Symboles apparents (combins et drivs) Related symbols (combined and derived) Page 5049 Tlvision; vid
22、o Television; video 14, 15, 16 5291 Mode image dans limage Picture-in-picture mode 16 5463 Mode tltexte Teletext mode 16, 17 5004 Variabilit Variability 17, 18 5268 Position enfonce dun bouton-poussoir deux positions stables IN-position of a bistable push control 18 5086 Lecteur pour disques phonogr
23、aphiques Pick-up for disk records 18 5007 Marche (mise sous tension) On (power) 19 5008 Arrt (mise hors tension) Off (power) 19, 20BS7946:1997 BSI 02-2000 3 Symbole originel Generic symbols Symboles apparents (combins et drivs) Related symbols (combined and derived) Page 5110 Arrt (mise hors service
24、) Stop (of action) 20 5104 Dmarrage (duneopration) Start (of action) 20 5048 Couleur (symbole distinctif) Colour (qualifying symbol) 21 5116 Camra de tlvision Television camera 21 5322 Commutateur tenu la main Hand-held switch 21 5012 Lampe; clairage; illumination Lamp; lighting; illumination 22 507
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