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The e-ILV provides free access to all the terms and definitions contained in the international standard CIE S 017:2020 ILV: International Lighting Vocabulary, 2nd edition.

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17-31-122

legibility distance, <of a sign>

distance at which a sign can be read with unlimited time

Note 1 to entry: The threshold legibility distance is the distance at which the sign becomes legible.

Note 2 to entry: This entry was numbered 17-651 in CIE S 017:2011.

Publication date: 2020-12
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