ANSI INCITS ISO 2047-1975 Information processing - Graphical representations for the control characters of the 7-bit coded character set (Adopted by INCITS).pdf

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1、INTERNATIONAL STANDARD INTERNATIONAL ORGANIZATION FOR STANDARDIZATION.(ri;lHAP03HAR OPrAHM3AUMR no CTAH3APTW3AUMM.ORGANlSAllON INTERNATIONALE DE NORMALISATION Information processing - Graphical representations for the control characters of the 7-bit coded character set Traitement de Iinformation - R

2、eprkentation graphique des caracttkes de commande du jeu de caracttires cod Descriptors : data processing, character sets, control characters, data transmission, information interchange, graphical symbols. Price based on 6 pages Processed and adopted by ASC NCITS and approved by ANSIas an American N

3、ational Standard.Date of ANSI Approval: 1/13/99Published by American National Standards Institute,11 West 42nd Street, New York, New York 10036Copyright 1999 by Information Technology Industry Council (ITI).All rights reserved.These materials are subject to copyright claims of InternationalStandardi

4、zation Organization (ISO), International ElectrotechnicalCommission (IEC), American National Standards Institute (ANSI),and Information Technology Industry Council (ITI). Not for resale.No part of this publication may be reproduced in any form,including an electronic retrieval system, without the pr

5、ior writtenpermission of ITI. All requests pertaining to this standard should besubmitted to ITI, 1250 Eye Street NW, Washington, DC 20005.Printed in the United States of AmericaAdopted by INCITS (InterNational Committee for Information Technology Standards) as an American National Standard.Date of

6、ANSI Approval: 1/13/99Published by American National Standards Institute,25 West 43rd Street, New York, New York 10036Copyright 2002 by Information Technology Industry Council (ITI).All rights reserved.These materials are subject to copyright claims of International Standardization Organization (ISO

7、), InternationalElectrotechnical Commission (IEC), American National Standards Institute (ANSI), and Information Technology Industry Council(ITI). Not for resale. No part of this publication may be reproduced in any form, including an electronic retrieval system, withoutthe prior written permission

8、of ITI. All requests pertaining to this standard should be submitted to ITI, 1250 Eye Street NW,Washington, DC 20005.Printed in the United States of AmericaFOREWORD IS0 (the international Organization for Standardization) is a worldwide federation of national standards institutes (IS0 Member Bodies)

9、. The work of developing International Standards is carried out through IS0 Technical Committees. Every Member Body interested in a subject for which a Technical Committee has been set up has the right to be represented on that Committee. International organizations, governmental and non-governmenta

10、l, in liaison with ISO, also take part in the work. Draft International Standards adopted by the Technical Committees are circulated to the Member Bodies for approval before their acceptance as International Standards by the IS0 Council. International Standard IS0 2047 was drawn up by Technical Comm

11、ittee ISO/TC 97, Computers and information processing, and circulated to the Member Bodies in December 1972. It has been approved by the Member Bodies of the following countries : Belgium Ireland Brazil Italy Canada Japan Czechoslovakia Mexico Denmark New Zealand Egypt, Arab Rep. of Poland France Ro

12、mania South Africa, Rep. of Sweden Switzerland United Kingdom U.S.A. The Member Bodies of the following countries expressed disapproval of the document : Germany Netherlands 0 International Organization for Standardization, 1975 l Printed in Switzerland INTERNATIONAL STANDARD IS0 2047-1975 (E) Infor

13、mation processing - Graphical representations for the control characters of the 7-bit coded character set 1 SCOPE This International Standard specifies graphical representations of the control characters of columns 0 and 1 of the IS0 7-bit coded character set for information interchange (IS0 646). I

14、t also provides graphical representations for the normally non-printing character SPACE (position 2/O of the Code Table) and for the character DELETE (position 7/15 of the Code Table). Two modes of representation are given in this International Standard : - a set of specific symbols where a single c

15、haracter is required for the graphical representation of each of these normally non-printing characters; - a set of alphanumeric representations comprising two characters derived from the abbreviations used in the IS0 7-bit table. 2 FIELD OF APPLICATION These graphical representations are intended f

16、or use for display of control characters on devices when the graphical representation of these normally non-printing characters is required. Among the devices included are paper tape punches, printers and CRT equipment. Various areas of use are possible; for example, monitoring and diagnostic applic

17、ations. The precise font design is not part of this International Standard. The implementation of some of the symbols does not imply that the whole set should be available. Each alphanumeric representation is to be considered as a single symbol. It may occupy either one or more positions on a printe

18、d or displayed line depending on the implementation. 3 REFERENCE IS0 646, 7-bit coded character set for infocmation processing interchange. 1 IS0 2047-1975 (El 4 REPRESENTATIONS Position in the 7-bit set table 010 011 012 013 014 015 016 017 Set table name NUL TCI TG TG TC4 TG TG BEL Meaning NUll St

19、art of heading Start of text End of text End of transmission Acknowledge Bell Pictorial representation Cl r -L -J I lxl J e 1) Alphanumeric representation NU SH sx EX ET AK BL 1) The pictorial representation of position 015 is a schematic representation of which may also be used when equipment allow

20、s it. 2 ISO2047-1975 (E) Position in the 7-bit set table Set table Meaning I Pictorial I Alphanumeric representation representation 018 019 0110 0111 0112 0113 0114 0115 FE0 FE1 Horizontal tabulation FEZ FE3 FEs FEs so SI Backspace Line feed Vertical tabulation Form feed Carriage return Shift-out Sh

21、ift-in BS Hi LF VT FF CR 3 IS0 2047-1975 (E) Position in the 7-bit set table 110 111 1 I2 113 114 115 116 117 Set table name TC7 DC1 DC2 DC3 DC4 TCa TC9 TGo Meaning Date link escape Device control - Negative acknowledge Synchronous idle End of transmission block Pictorial representation E 8 8 8 0 J

22、n -I Alphanumeric representation DL Ill D2 D3 D4 NK SY EB IS0 2047-1975 (El Position in the 7-bit set table 118 1 I9 I IO 1 11 112 111 3 1114 1115 Set table name CAN EIM SUB ESC IS.4 IS.? IS2 IS I Meaning Cancel End of medium Substitute character Escaoe File separator Group separator Record separator Unit separator Pictorial representation X t c * 8 Ezl Ed la I3 Alphanumeric representation CN EM SB EC FS GS RS us ISO2047-1975(E) 210 Space Position in the Set table 7-bit set table name Meaning Pictorial representation Alphanumeric representation SP A SP 7115 DEL Delete DT . 6