BS 7179-4:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Ergonomics of design and use of visual display terminals (VDTs) in offices Specification for keyboards
Hardcopy , PDF
15-10-1998
English
30-11-1990
Committees responsible
Foreword
Specification
1. Scope
2. Definitions
3. Conformance
4. Design
5. Marking
Appendices
A. General guiding principles
B. Test method for assessment of ease of use of
keyboards
C. Statistical principles of conformance testing
D. Examples of material for data entry
E. Scales to be used for the assessment of comfort
Tables
1. Required population characteristics
2. Reflectances of surfaces
3. Relationship between type I and type II errors
Figures
1. Possible arrangements for cursor control
2. Keyboard assessment method
3. Procedure for conformance testing for sequential
and non-sequential test methods
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