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BS EN ISO 9241-125:2017

BS EN ISO 9241-125:2017

$198.66

Ergonomics of human-system interaction – Guidance on visual presentation of information

Published By Publication Date Number of Pages
BSI 2017 52
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This document provides guidance for the visual presentation of information controlled by software, irrespective of the device. It includes specific properties such as the syntactic or semantic aspects of information, e.g. coding techniques, and gives provisions for the organization of information taking account of human perception and memory capabilities. Those of its provisions that do not apply to specific types of visual interfaces clearly indicate any limitations to their applicability. It does not address specific details of charts, graphs or information visualization.

This document can be utilized throughout the design process (e.g. as specification and guidance for designers during design or as a basis for heuristic evaluation). Its provisions for the presentation of information depend upon the visual design approach, the task, the user, the environment and the single or multiple technologies that might be used for presenting the information. Consequently, this document cannot be applied without knowledge of the context of use. It is not intended to be used as a prescriptive set of rules to be applied in its entirety but rather assumes that the designer has proper information available concerning task and user requirements and understands the use of available technology.

Some of the provisions of this document are based on Latin-based language usage and might not apply, or might need to be modified, for use with languages that use other alphabets. In applying those that assume a specific language base (e.g. alphabetic ordering of coding information, items in a list), it is important that care is taken to follow its intent of the standard when translation is required to a different language.

This document does not address auditory or tactile/haptic presentation of information or modality shifting for the presentation of visual information in other modalities.

NOTE ISO 9241‑112 provides high-level ergonomic guidance that applies to all modalities.

PDF Catalog

PDF Pages PDF Title
2 National foreword
4 European foreword
9 Foreword
10 Introduction
11 1 Scope
2 Normative references
3 Terms and definitions
17 4 Application of ISO 9241-125
4.1 Accessibility
4.2 General guidance for presentation of information
4.3 Guidance on the presentation of visual information
18 4.4 General issues for the display of visual information
4.4.1 Legibility of characters and symbols
4.4.2 Character height
4.4.3 Scaling visually presented information
5 Visual structuring of information
5.1 Arranging and labelling information
5.1.1 Information location
5.1.2 Required information
5.1.3 Consistent location of areas
19 5.1.4 Density of displayed information
5.1.5 Distinction of groups
20 5.1.6 Sequencing
21 5.1.7 Use of conventions
5.1.8 Functional grouping
5.1.9 Arrangement of groups for rapid detection and discrimination
5.1.10 Consistency with paper forms
5.1.11 Labelling user interface elements
5.1.12 Label designation
5.1.13 Grammatical construction of labels
5.1.14 Label position
22 5.1.15 Label position for individual check boxes or radio buttons
5.1.16 Separation of labels and associated information
5.1.17 Label format and alignment
5.1.18 Labels for units of measurement
5.1.19 Differentiating objects of identical type
5.2 Using windows to present information
5.2.1 Appropriateness of windows
23 5.2.2 Multiple windows
5.2.3 Selection of window format
24 6 Using user interface elements to organize information
6.1 Lists
6.1.1 List structure
6.1.2 Item separation
6.1.3 Alphabetic information
6.1.4 Numeric information
6.1.5 Fixed font size
25 6.1.6 Item numbering
6.1.7 Indication of relative position of displayed information
6.1.8 Indication of list continuation
6.2 Tables
6.2.1 List organization in tables
26 6.2.2 Maintaining column and row headings
6.2.3 Spacing as a visual technique for grouping information
6.2.4 Column spacing
6.3 Entry fields
6.3.1 Entry field format
27 6.3.2 Entry field length
6.4 Windows
6.4.1 Unique window identification
6.4.2 Application information
6.4.3 Default window parameters
6.4.4 Consistent window appearance within an application
6.4.5 Consistent window appearance within a multi-application environment
28 6.4.6 Indication of primary/secondary window relationships
6.4.7 Identification of window control elements
6.4.8 Location of window control elements
6.4.9 Size and location across sessions
6.4.10 Duplicate or split windows
6.4.11 Resizing windows
6.4.12 Resizing window panes
6.4.13 Predictable new window location
6.4.14 New windows offset
6.4.15 New window on top
29 6.4.16 Placement and size of new window
6.4.17 Placement of secondary windows
6.4.18 Warning for application termination
6.4.19 Restoring hidden windows
6.4.20 Identification cues for iconified window
6.4.21 Predictable position of an icon representing a window
6.4.22 Visual cue in icon for important events
6.4.23 Discriminable cue for application status
30 6.4.24 Discriminable cue for restored windows
6.4.25 Identification cues for restored window
6.4.26 Input cursor location
6.4.27 Visual cues for window with focus
6.4.28 Manipulation of the size of windows
6.4.29 Feedback provided during resize
6.4.30 Original size indicator during resize
6.4.31 Independence of resize dimensions
31 6.4.32 Scaling
6.4.33 Sizing effects on window contents
6.4.34 Scrolling and paging
6.4.35 Moving window contents in multiple units
6.4.36 Provide scrolling by smallest meaningful unit
6.4.37 Provide scrolling by large units
6.4.38 Consistent direction of scrolling
32 6.4.39 Visual cue for group membership
7 Graphical objects
7.1 Cursors and pointers
7.1.1 Designation of cursor and pointer position
7.1.2 Cursor occlusion of characters
7.1.3 Cursor and pointer location
7.1.4 Cursor “home” position
7.1.5 Initial position for entry fields
7.1.6 Point designation accuracy
7.1.7 Different cursors/pointers
33 7.1.8 Active cursor/pointer
7.1.9 Multiple cursors and pointers
7.2 Icons
7.2.1 Guidance on design and use of icons
7.2.2 Text alternative for icons
7.2.3 Neutral icons
7.2.4 Cross-cultural icons
34 7.2.5 Ease of learning
7.2.6 Icons containing consistent cues
7.2.7 National or international graphics
7.2.8 Reuse of existing icons
7.2.9 User guidance for icons
8 Coding techniques
8.1 General recommendations for codes
8.1.1 Introduction
35 8.1.2 Meeting user expectations
8.1.3 Explaining codes
8.1.4 Distinctiveness of codes
8.1.5 Consistent coding
8.1.6 Meaningfulness
8.1.7 Access to meaning of code
36 8.1.8 Use of standards or conventional meaning
8.1.9 Rules of code construction
8.1.10 Codes for missing information
8.1.11 Partitioning long information items
8.2 Alphanumeric coding
8.2.1 Length of character strings
8.2.2 Alphabetic vs. numeric codes
8.2.3 Same meaning for upper and lower case characters
37 8.2.4 Visually similar alphanumeric characters
8.2.5 Length of abbreviations
8.2.6 Abbreviations of different length
8.2.7 Truncation
8.2.8 Deviation from the rules of code construction for abbreviations
8.2.9 Conventional and task related abbreviations
8.3 Graphical coding
8.3.1 Distinctive states of user-interface elements
8.3.2 Levels of graphical codes
38 8.3.3 Three-dimensional coding
8.3.4 Coding with geometric shapes
8.3.5 Coding with different types of lines
8.3.6 Line orientation
8.4 Colour coding
8.4.1 Redundant colour coding
8.4.2 Colour coding for people with colour deficits
39 8.4.3 Legend showing colour codes
8.4.4 Redundant codes displayed in legends
8.4.5 Different use of one colour
8.4.6 Limiting the number of colours
8.4.7 Colour assignment to categories of information
40 8.4.8 Colour coding conventions
8.4.9 Number of colours used
8.4.10 Assignments based on cultural conventions
8.4.11 Cross-cultural design
8.4.12 Colour assignments for special and temporary states
8.4.13 Continuous scales
41 8.4.14 Coding differences
8.4.15 Coding relative values
8.4.16 Ordered coding
8.4.17 Consistency of colour codes
8.4.18 Change of state
8.4.19 Additional guidance on the use of colour
42 8.5 Markers
8.5.1 Special symbols for markers
8.5.2 Markers for multiple selection
8.5.3 Unique use of symbols for markers
8.5.4 Positioning of markers
43 8.6 Other coding techniques
8.6.1 Blink coding
8.6.2 Highlighting by blinking
8.6.3 Size coding
8.6.4 Luminance (brightness) coding
8.6.5 Relative Lightness Levels
8.6.6 Image polarity reversal
8.6.7 Underlining
44 8.6.8 Coding of areas using different coding techniques
9 Use of Colour
9.1 General recommendations
9.2 Specific guidance on using colour
9.2.1 Avoiding presentation of information by colour alone
9.2.2 Overuse of colours
45 9.2.3 Colour interpretation from memory colour
9.2.4 Colour limits for visual search
9.2.5 Use of focal colours when accurate colour identification is needed
9.2.6 Size of character strings, data fields, and symbols when presented with colour
46 9.2.7 Accurate colour discrimination
9.2.8 Events in the visual periphery
9.2.9 Object separation
9.2.10 Background colours
9.2.11 Foreground and background colours for text
47 9.2.12 Continuous reading
9.2.13 Unintended depth effects
9.2.14 Size and the use of blue
9.2.15 Blue and red on dark backgrounds
9.2.16 Spectrally extreme colours
48 9.2.17 Improved colour identification
9.2.18 Contrast
9.2.19 Contrast enhancement
49 9.2.20 Realistic colours
9.2.21 Drawing attention
9.2.22 Restricted use of warning colours
50 Bibliography

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BS EN ISO 9241-125:2017
$198.66