Assertion: voice communication system | /r/CapableOf | refer in sentence
Facets:
Source sentences:
text: The voice communication system referred to in Sentence (1) shall include a means to silence the alarm signal in a single stage fire alarm system while voice messages are being transmitted, but only after the alarm signal has initially sounded for not less than 30 s.
text: The voice communication system referred to in Sentence (1) shall include a means to silence the alert signal and thealarm signal in a two stage fire alarm system while voice messages are being transmitted, but only after the alert signal has initially sounded for not less than,
text: (9) Unless staff trained to provide instructions over the voice communication system referred to in Sentence (8) are present at all times, a pre-recorded message shall be provided.