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STANDARD
SIST EN 301 549 V2.1.2:2018
EN 301 549 V2.1.2 (2018-08)
HARMONISED EUROPEAN STANDARD Accessibility requirements for ICT products and services
SIST EN 301 549 V2.1.2:2018
EN 301 549 V2.1.2 (2018-08)
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Reference REN/HF-00 301 549 Keywords accessibility, HF, ICT, procurement Important notice Individual copies of the present document can be downloaded from: ETSI Search & Browse Standards The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at ETSI deliverable status If you find errors in the present document, please send your comment to one of the following services: ETSI Committee Support Staff Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. © European Telecommunications Standards Institute 2018. © Comité Européen de Normalisation 2018. © Comité Européen de Normalisation Electrotechnique 2018. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTM and the ETSI logo are trademarks of ETSI registered for the benefit of its Members. 3GPPTM and LTE™ are trademarks of bTSf registered for the benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members. GSM and the GSM logo are trademarks registered and owned by the GSM Association.
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Sous-Préfecture de Grasse (06) N° 7803/88 SIST EN 301 549 V2.1.2:2018
EN 301 549 V2.1.2 (2018-08)
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Contents Contents . 3 Intellectual Property Rights . 8 Foreword. 8 Modal verbs terminology . 9 Introduction . 9 1 Scope . 10 2 References . 10 2.1 Normative references . 10 2.2 Informative references . 11 3 Definitions and abbreviations . 13 3.1 Definitions . 13 3.2 Abbreviations . 16 4 Functional performance . 17 4.1 Meeting functional performance statements . 17 4.2 Functional performance statements . 17 4.2.1 Usage without vision . 17 4.2.2 Usage with limited vision . 17 4.2.3 Usage without perception of colour . 18 4.2.4 Usage without hearing . 18 4.2.5 Usage with limited hearing . 18 4.2.6 Usage without vocal capability . 18 4.2.7 Usage with limited manipulation or strength . 18 4.2.8 Usage with limited reach . 18 4.2.9 Minimize photosensitive seizure triggers . 19 4.2.10 Usage with limited cognition . 19 4.2.11 Privacy . 19 5 Generic requirements . 20 5.1 Closed functionality . 20 5.1.1 Introduction (informative) . 20 5.1.2 General . 20 5.1.3 Non-visual access . 20 5.1.4 Functionality closed to text enlargement . 23 5.1.5 Visual output for auditory information. 24 5.1.6 Operation without keyboard interface . 24 5.2 Activation of accessibility features . 25 5.3 Biometrics . 25 5.4 Preservation of accessibility information during conversion . 25 5.5 Operable parts . 25 5.5.1 Means of operation . 25 5.5.2 Operable parts discernibility . 25 5.6 Locking or toggle controls . 25 5.6.1 Tactile or auditory status . 25 5.6.2 Visual status . 26 5.7 Key repeat . 26 5.8 Double-strike key acceptance . 26 5.9 Simultaneous user actions . 26 6 ICT with two-way voice communication . 27 6.1 Audio bandwidth for speech . 27 6.2 Real-time text (RTT) functionality . 27 6.2.1 RTT provision . 27 SIST EN 301 549 V2.1.2:2018
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6.2.2 Display of Real-time Text . 27 6.2.3 Interoperability . 28 6.2.4 Real-time text responsiveness . 28 6.3 Caller ID . 28 6.4 Alternatives to voice-based services . 28 6.5 Video communication . 28 6.5.1 General (informative) . 28 6.5.2 Resolution . 29 6.5.3 Frame rate . 29 6.5.4 Synchronization between audio and video . 29 6.6 Alternatives to video-based services . 29 7 ICT with video capabilities . 30 7.1 Caption processing technology . 30 7.1.1 Captioning playback . 30 7.1.2 Captioning synchronization . 30 7.1.3 Preservation of captioning . 30 7.2 Audio description technology . 30 7.2.1 Audio description playback . 30 7.2.2 Audio description synchronization . 30 7.2.3 Preservation of audio description . 30 7.3 User controls for captions and audio description . 31 8 Hardware . 32 8.1 General . 32 8.1.1 Generic requirements . 32 8.1.2 Standard connections. 32 8.1.3 Colour. 32 8.2 Hardware products with speech output . 32 8.2.1 Speech volume gain . 32 8.2.2 Magnetic coupling . 32 8.3 Physical access to ICT . 33 8.3.1 General (informative) . 33 8.3.2 Clear floor or ground space . 33 8.3.3 Reach range for ICT . 36 8.3.4 Visibility . 38 8.3.5 Installation instructions . 38 8.4 Mechanically operable parts . 38 8.4.1 Numeric keys . 38 8.4.2 Operation of mechanical parts . 39 8.4.3 Keys, tickets and fare cards . 39 8.5 Tactile indication of speech mode . 39 9 Web . 40 9.0 General (informative) . 40 9.1 Perceivable . 41 9.1.1 Text alternatives . 41 9.1.2 Time-based media . 41 9.1.3 Adaptable . 41 9.1.4 Distinguishable . 42 9.2 Operable . 43 9.2.1 Keyboard accessible . 43 9.2.2 Enough time . 43 9.2.3 Seizures and physical reactions . 43 9.2.4 Navigable . 43 9.2.5 Input modalities . 44 9.3 Understandable . 44 9.3.1 Readable . 44 9.3.2 Predictable . 44 9.3.3 Input assistance . 45 9.4 Robust . 45 SIST EN 301 549 V2.1.2:2018
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9.4.1 Compatible . 45 9.5 WCAG conformance requirements . 45 10 Non-web documents . 47 10.0 General (informative) . 47 10.1 Perceivable . 47 10.1.1 Text alternatives . 47 10.1.2 Time-based media . 47 10.1.3 Adaptable . 48 10.1.4 Distinguishable . 49 10.2 Operable . 50 10.2.1 Keyboard accessible . 50 10.2.2 Enough time . 51 10.2.3 Seizures and physical reactions . 52 10.2.4 Navigable . 52 10.2.5 Input modalities . 53 10.3 Understandable . 54 10.3.1 Readable . 54 10.3.2 Predictable . 55 10.3.3 Input assistance . 55 10.4 Robust . 56 10.4.1 Compatible . 56 10.5 Caption positioning . 56 10.6 Audio description timing . 57 11 Software . 57 11.0 General (informative) . 57 11.1 Perceivable . 58 11.1.1 Text alternatives . 58 11.1.2 Time-based media . 58 11.1.3 Adaptable . 59 11.1.4 Distinguishable . 61 11.2 Operable . 63 11.2.1 Keyboard accessible . 63 11.2.2 Enough time . 64 11.2.3 Seizures and physical reactions . 65 11.2.4 Navigable . 66 11.2.5 Input modalities . 66 11.3 Understandable . 67 11.3.1 Readable . 67 11.3.2 Predictable . 68 11.3.3 Input assistance . 68 11.4 Robust . 69 11.4.1 Compatible . 69 11.5 Interoperability with assistive technology . 70 11.5.1 Closed functionality . 70 11.5.2 Accessibility services . 70 11.6 Documented accessibility usage . 74 11.6.1 User control of accessibility features . 74 11.6.2 No disruption of accessibility features . 74 11.7 User preferences . 74 11.8 Authoring tools . 74 11.8.1 Content technology . 74 11.8.2 Accessible content creation . 74 11.8.3 Preservation of accessibility information in transformations . 74 11.8.4 Repair assistance . 74 11.8.5 Templates . 75 12 Documentation and support services . 76 12.1 Product documentation . 76 12.1.1 Accessibility and compatibility features . 76 SIST EN 301 549 V2.1.2:2018
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12.1.2 Accessible documentation .
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