This part of ISO 9241 establishes image quality requirements for the design and evaluation of single and multi-colour VDTs. The requirements are stated as performance specifications, and the evaluations provide test methods and conformance measurements. It should be noted that, at present, the recommendations are based on Latin, Cyrillic, and Greek origin alphabetic characters, and Arabic numerals.
Other factors that affect performance and comfort are coding, format, and the style of presentation of information. With the exception of their visual aspects, they are not covered by this part of ISO 9241.
This part of ISO 9241 applies to the ergonomic design of electronic displays for office tasks. Office tasks include such activities as data entry, text processing, and interactive inquiry, but do not include recommendations for other specific applications such as computer-aided design or process control.
It is planned to issue recommendations on such applications separately.