ISO INTERNATIONAL STANDARD 9241-13 First edition 1998-07-15 Ergonomic requirements for office work with visual display terminals (VDTs) - Part 13: User guidance Exigences ergonomiques pour travail de bureau avec terminaux a écrans devisualisation (TEV) Partie 13: Guidage de I'utilisateur Tso Reference number ISO 9241-13:1998(E) Standardizatic No reproduction or networking permitted without license from IHS Not for Resale ISO 9241-13:1998(E) Contents Page 1 Scope... 2 Normative references 3 Definitions ....... 4 Application of this part of ISO 9241 4.1 Appropriateness of user guidance. 4.2 Applying the recommendations 4.3 Evaluation of products .... 5 Common guidance recommendations 5.1 Description ... 3 5.2 General recommendations 5.3 Phrasing of user guidance .... 6 Prompts 5 6.1 Description .... 5 6.2 Promptingrecommendations 5 7 Feedback.... 6 7.1 Description 6 7.2 Feedback recommendations 6 8 Status information 8.1 Description 8.2 Status recommendations 8 9 Error management 9 9.1 Description. 9 9.2 Error prevention 9 9.3 Errorcorrectionbythesystem 10 9.4 Error management by the user 10 9.5 Error messages 11 10 On-line help 12 10.1 Description 12 10.2 System-initiated help 12 10.3 User-initiated help ..... 13 10.4 Presentation of help information 13 10.5 Help navigation and controls 14 .10.6 Browsable help ........ 14 10.7Context-sensitivehelp 15 Annex A (informative) Sample procedure for assessing applicability and adherence 17 Annex B (informative) Bibliography 30 ISO1998 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. InternationalOrganizationforStandardization Case postale 56. CH-1211 Geneve 20 . Switzerland Internet [email protected] Printed in Switzerland ii n for Standardization No reproductionornetworking permited withoutlicense from IHS Not for Resale @ISO ISO 9241-13:1998(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non- governmental, in liaison with iso, also take part in the work. iso collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard ISO 9241-13 was prepared by Technical Committee ISo/TC 159, Ergonomics, Subcommittee sc 4, Ergonomics of human- system interaction. ISO 9241 consists of the following parts, under the general title Ergonomic requirementsforofficework with visualdisplayterminals (VDTs): Part 1: General introduction Part 2: Guidance on task requirements Part 3: Visual display requirements Part 4: Keyboard requirements Part 5: Workstation layout and postural requirements Part 6: Guidance on the work environment Part 7: Requirements for display with reflections Part 8: Requirements for displayed colours Part 9: Requirements for nonkeyboard input devices Part 10: Dialogue principles Part 11: Guidance on usability Part 12: Presentation of information Part 13: User guidance Part 14: Menu dialogues Part 15:Command dialogues Part 16: Direct manipulation dialogues Part 17: Form filling dialogues Annexes A and B of this part of IsO 9241are information only. No reproduction or networking permitted without license from IHS Not for Resale