• BS EN 29241-3:1993

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Ergonomic requirements for office work with visual display terminals (VDTs) Visual display requirements

    Available format(s):  Hardcopy, PDF

    Superseded date:  31-01-2010

    Language(s):  English

    Published date:  08-04-2005

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Definitions
    3 Guiding principles
    4 Performance requirements
    5 Design requirements and recommendations
      5.1 Design viewing distance
      5.2 Line-of-sight angle
      5.3 Angle of view
      5.4 Character height
      5.5 Stroke width
      5.6 Character width-to-height ratio
      5.7 Raster modulation and fill factor
      5.8 Character format
      5.9 Character size uniformity
      5.10 Between-character spacing
      5.11 Between-word spacing
      5.12 Between-line spacing
      5.13 Linearity
      5.14 Orthogonality
      5.15 Display luminance
      5.16 Luminance contrast
      5.17 Luminance balance
      5.18 Glare
      5.19 Image polarity
      5.20 Luminance uniformity
      5.21 Luminance coding
      5.22 Blink coding
      5.23 Temporal instability (flicker)
      5.24 Spatial instability (jitter)
      5.25 Screen image colour
    6 Measurement conditions and conventions
      6.1 Measurement conditions
      6.2 Photometric measurement requirements
      6.3 Display luminance setting
      6.4 Measurement locations
      6.5 Screen distances
      6.6 Specific measurements
    7 Compliance
    Annex A (informative) Analytical techniques for predicting
                          screen flicker
      A.1 An analytical method for predicting screen flicker
      A.2 An algorithm for predicting flicker in a visual
          display
    Annex B (informative) Empirical method for assessing
                          temporal and spatial instability
                          (flicker and jitter) on screen
      B.1 General
      B.2 Procedure
      B.3 Report
    Annex C (informative) Visual and comfort test
      C.1 Principle
      C.2 Test subjects
      C.3 The displays
      C.4 Test workstation and environment
      C.5 Methods
      C.6 Dependent measures
      C.7 Statistical treatment of result
      C.8 Conformance
      C.9 Critical values for Barnard's U test
    Annex D (informative) Bibliography
    Figures
    Tables

    Abstract - (Show below) - (Hide below)

    Specifies image quality requirements for design and evaluation of VDTs. A user performance assessment method is provided in an annex.

    General Product Information - (Show below) - (Hide below)

    Committee PH/9
    Development Note Supersedes 88/43796 DC, 99/564192 DC and BS 7179-3(1990) Also numbered as ISO 9241-3. (04/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS 7830:1996 Guide to the design and preparation of on-screen documentation for users of application software
    BS 6493-1.5:1992 Semiconductor devices. Discrete devices Recommendations for optoelectronic devices - Section 5: Recommendations for optoelectronic devices
    BS 7083:1996 Guide to the accommodation and operating environment for information technology (IT) equipment
    IEEE 802.15.7-2011 IEEE Standard for Local and Metropolitan Area Networks--Part 15.7: Short-Range Wireless Optical Communication Using Visible Light

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 9241-5:1998 Ergonomic requirements for office work with visual display terminals (VDTs) — Part 5: Workstation layout and postural requirements
    ISO/IEC 4873:1991 Information technology ISO 8-bit code for information interchange Structure and rules for implementation
    BS DD202(1991) : 1991 ERGONOMIC PRINCIPLES IN THE DESIGN OF WORK SYSTEMS
    ISO 9241-7:1998 Ergonomic requirements for office work with visual display terminals (VDTs) Part 7: Requirements for display with reflections
    ISO 8317:2015 Child-resistant packaging Requirements and testing procedures for reclosable packages
    ISO 9241-6:1999 Ergonomic requirements for office work with visual display terminals (VDTs) Part 6: Guidance on the work environment
    ISO 9241-8:1997 Ergonomic requirements for office work with visual display terminals (VDTs) Part 8: Requirements for displayed colours
    ISO 6385:2016 Ergonomics principles in the design of work systems
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