6.3.2-7 Externally Illuminated Displays

Externally illuminated displays should have adequate illumination.

Additional Information:
Large displays that are primarily illuminated by external sources, such as static mimics, should satisfy the criteria in Section 12.1.2.3 for illumination, uniformity, task area illumination, shadowing, glare, reflectance, and color. The level of illumination should provide adequate contrast to allow users to resolve all important displayed details at the maximum viewing distance.