This part of ISO 9241 gives guidelines for physical input devices for interactive systems.It provides guidance based on ergonomic factors for the following input devices:keyboards,mice,pucks,joysticks,trackballs,trackpads,tables and overlays,touch sensitive screens,styli,light pens,voice controlled devices,and gesture controlled devices.This part of ISO 9241 defines and formulates ergonomic principles valid for the design and use of input devices.These principles are to be used to generate recommendations for the design of products and for their use.This part of ISO 9241 defines relevant terms for the entire 400 series of ISO 9241.For some applications,e.g.
EN ISO 9241-400:2007 history
2007EN ISO 9241-400:2007 Ergonomics of human-system interaction - Part 400: Principles and requirements for physical input devices (ISO 9241-400:2007)