1 Scope
This document specifies procedures to assess acoustic signals at passenger external doors applying to all kind of rolling stock. The following applies to this standard:
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— this document refers to acoustical passenger information indicating the release, opening and closing of passenger doors;
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— this document is applicable to tonal signals with defined frequency components levels and pulse sequences;
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— this document is not applicable to spoken information or to signals comprising a sequence of impulses (such as a door finding signal).
NOTE Acoustic door signals are defined in EN 16584‑2 “Design for PRM use”.