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Paragraph 4 Passenger information

Original text. Later amendments are not shown.

(1)

If horizontal or vertical scrolling displays are used—

(a)

any station names (which may be abbreviated) and any other complete words or messages must be displayed for a minimum of 2 seconds; and

(b)

horizontal scrolling displays must have a scrolling speed not exceeding 6 characters per second.

(2)

In displays, ascenders and descenders must have a minimum size ratio of 20% to upper case characters.

(3)

In this paragraph—

(a)

“ascender” means that part of any of the letters b, d, f, h, i, j, k, l or t which protrudes above the height of other letters;

(b)

“descender” means that part of any of the letters g, j, p, q or y which protrudes below the level of the base of other letters; and

(c)

“other letters” means the letters a, c, e, m, n, o, r, s, u, v, w, x and z.