20/30390766 DC

This standard 20/30390766 DC BS ISO 23456-1. Dynamic signs in physical environments is classified in these ICS categories:

• 01.080.10 Public information symbols

This document describes general guidance for ergonomics requirements in relation to dynamic signs, a responsive information presentation technology that changes in accordance with environmental conditions (e.g. for example, the environmental illumination, the density of people) where the dynamic signs are presented, and does not cover static signs.

Dynamic signs are presented adaptively to those environmental conditions.

The general guidance for dynamic signs consists of 1) visibility, 2) visual image safety and 3) accessibility. The first item 1) is further subdivided into conspicuity, distinctiveness, legibility and comprehensibility. The requirements and recommendations for each are also described.