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> Indoor lighting / Specific lighting requirements / Lighting of educational facilities / Note-taking lighting
In rooms with frequent use of slide projectors, writing projection devices or video projectors, the general lighting must feature a control mode for note-taking lighting, the level of which is not specified and depends strongly on the individual case, e.g. the brightness of the projected image. Darkening and brightening should be realised within 3 to 10 seconds. On vertical image projection surfaces, the vertical illuminance Ev should not be more than 10% of the reduced horizontal illuminance Eh, which can be realised using narrow-distribution luminaires in the projection surface area.
Additional lighting Maintenance factor
Visual task area General lighting Additional lighting Note-taking lighting Maintenance factor Lecture halls Nursery schools, play schools Adult education Special-needs schools Economic efficiency Exemplary refurbishment Photometric requirements according to EN-12464-1
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