Ergonomic requirements for office work with visual display terminals (VDTs) - General introduction Ingestion-build-183511 Method D uses a test

Method D uses a test piece 1

— any machine including one or more of these compartments

and low dissipation factor at all frequencies

to serve the needs of the site(s) and its residents

3 Phase angle errors

Ergonomic requirements for office work with visual display terminals (VDTs) - General introduction Ingestion-build-183511 Method D uses a test1 Scope This part of ISO 9241 introduces the multipart standard on ergonomic requirements for the use of visual display terminals for office tasks; provides guidelines for a user performance approach; gives an overview of all parts of ISO 9241 currently published and of the anticipated content of those in preparation; provides some guidance on how to use ISO 9241; describes how conformance to ISO 9241 should be reported. For the purposes of ISO 9241,