NS EN ISO 9241-4 Ed. 1 (1999)现行
Ergonomic Requirements For Office Work With Visual Display Terminals (vdts) - Part 4: Keyboard Requirements
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Applicable to linear detachable keyboards for stationary use. Gives guidance on the designing of keyboards used for typical office procedures, in order to consider the limitations and capabilities of users. Also gives guidance based on ergonomic factors for keyboard layout arrangements, physical characteristics of individual keys and overall design of the housing which contains the keys. Defines procedures for testing conformance by measurement of the physical attributes of a keyboard. In addition, it includes a proposed alternative test procedure for keyboards not conforming to the physical design requirements and recommendations, based on a user performance test and subjective rating scales.
SS EN ISO 9241-4 Ed. 1 (1999) - Identical
UNE EN ISO 9241-4:1999 - Identical
ISO 9241-4:1998 - Identical
I.S. EN ISO 9241-4:1999 - Identical
NBN EN ISO 9241-4:1998 - Identical
NF EN ISO 9241-4:1998 - Identical
UNI EN ISO 9241-4:2002 - Identical
ONORM EN ISO 9241-4:1999 - Identical
NEN EN ISO 9241-4:1998 - Identical
DIN EN ISO 9241-4 (1999-01) - Identical
BS EN ISO 9241-4:1998 - Identical
SN EN ISO 9241-4:1999 - Identical
