BS 5231:1975
$86.31
Specification for principles governing the positioning of control keys on keyboards of office machines and data processing equipment
Published By | Publication Date | Number of Pages |
BSI | 1975 | 10 |
Guidance for allocating control functions to specific keys. Outlines principles to observe in positioning areas for control keys in relation to ‘graphic’ areas on numeric, alphanumeric and composite keyboards.