Sansonic HNB-B Guia de Instalação descarregar pdf (Página 17)

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Page 17

Installation and Technical Application Guide

HNB

Modular Digital Mixer Amplifiers for Audio and Video

4.6 HNB-A Emergency Audio OFF ‘EAO’

Emergency Audio Off ‘EAO’ Automatic ‘MUTE’ at 10ms attack

and release at 3-5 seconds of ALL HNB Audio sources.

The ‘EAO’ circuit connects to a ‘Normally Open’ relay from a

supervised fire panel and will automatically MUTE all audio

output from the HNB-A unit. When this relay opens and power

is removed, the original audio source will return.

Note: ‘EAO’ is a ‘2-wire’ connection which is NOT polarity sensitive.

Note: ‘EAO’ termination is to RED ‘Phoenix’ 2-pin connector.

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Sansonic HNB-B Guia de Instalação Página 17