SS-EN-ISO-9241-20 Ergonomics of human-system interaction - Part 20: Accessibility guidelines for information/communication technology (ICT) equipment and services (ISO 9241-20:2008)

SS-EN-ISO-9241-20 - 2009 EDITION - CURRENT

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This part of ISO 9241 is intended for use by those responsible for planning, designing, developing, acquiring, and evaluating information/communication technology (ICT) equipment and services. It provides guidelines for improving the accessibility of ICT equipment and services such that they will have wider accessibility for use at work, in the home, and in mobile and public environments. It covers issues associated with the design of equipment and services for people with a wide range of sensory, physical and cognitive abilities, including those who are temporarily disabled, and the elderly. A detailed design for particular equipment or a service can be developed based on its recommendations. If a specific detailed standard exists concerning the accessibility of equipment or services, then it can be used in conjunction with that more specific standard. Where such standards are not available, this part of ISO 9241 can then form the basis for the design of the accessibility features of ICT equipment and services. It also provides general guidelines for acquiring and evaluating ICT equipment and services, including both hardware and software aspects of information processing equipment, electronic communication facilities, office machines, and other similar technologies and services, used at work, in the home, and in mobile and public environments. In addition, it gives important information about context of use. Accessibility is increased by expanding the range of contexts where equipment and services can be used. Context of use can result from the various components of the equipment or service, including user, task and equipment (hardware, software and materials) characteristics, as well as those of physical and social environments. Context of use can be considered when planning, designing, developing, acquiring and evaluating ICT equipment and services.

To find similar documents by classification:

13.180 (Ergonomics)

35.180 (IT terminal and other peripheral equipment Including modems)

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Designation Name

SS-EN ISO 9241-20:2009

Revision Level




Publication Date

Feb. 2, 2009



Page Count


International Equivalent

EN ISO 9241-20:2009(IDT); ISO 9241-20:2008(IDT)