ISO/IEC INTERNATIONAL STANDARD 9995-1 Third edition 2009-10-15 Information technology Keyboard layouts for text and office systems Part 1: General principles governing keyboard layouts Technologies de I'information - Disposition des claviers concus pour la bureautique Partie 1: Principes generaux pour la disposition des claviers Reference number ISO/IEC 9995-1:2009(E) IEC ISo @ ISO/IEC 2009 ISO/IEC 9995-1:2009(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In COPYRIGHT PROTECTED DOCUMENT @ ISO/IEC2009 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, Iso's member body in the country of the requester. ISO copyright office Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii @ ISO/IEC 2009 - All rights reserved ISO/IEC 9995-1:2009(E) Contents Page Foreword Introduction 1 Scope 2 Conformance 2.1 Conformance with ISO/IEC 9995-1. 2.2 General conformance requirement. 2.3 Claims of conformance..... 3 Normative references. 4 Termsanddefinitions 5 Divisions of the keyboard.. 5.1 Logical division of keyboard into groups and levels .. 5.2 Physical division of keyboard into sections and zones.. 6 Requirements.. 6.1 Placementofsections.. 6.2 Methods of indicating allocations to keys, 7 Key position numbering system... 7.1 Principle of the grids... 7.2 Designation of key positions.... 7.3 Reference positions for the rows and columns 7.4 Key location numbering requirements... 9 8 General principles of key labelling and symbol positioning 9 8.1 Group positions.. 10 Level positions within one group .... 8.2 10 8.2.1 Labelling of all three levels on the key-top........... 10 8.2.2 Labelling of two levels on the key-top, labelling of level 3 on the keyface . 10 8.3 Capital/small letter pairs .. 12 8.4 Minimum required size of keytop symbols... 12 9 Key arrangement and distances 12 9.1 Key arrangement .. 9.2 Other requirements . 12 Annex A (informative) Examples of national standards .13 Bibliography @ ISO/IEC 2009 - All rights reserved ili