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.
Original price was: $160.02.$80.00Current price is: $80.00.
Specification for principles governing the positioning of control keys on keyboards of office machines and data processing equipment
BSI Group , 09/30/1975
Pages: 10
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