Audible exit assistance.NOTIFIER of Northford, Connecticut, offers the ONYX onyx (ŏn`ĭks), variety of cryptocrystalline quartz, differing from agate only in that the bands of which it is composed are parallel and regular. ExitPoint audible exit technology. Installed near building exits or along egress See ingress. routes, the compact speaker produces broadband noise to lead people toward exits. When triggered by the building's fire alarm control panel, it alerts building occupants to the location of the nearest exit using directional sound
Directional Sound . When emergency lighting and signage are obstructed ob·struct tr.v. ob·struct·ed, ob·struct·ing, ob·structs 1. To block or fill (a passage) with obstacles or an obstacle. See Synonyms at block. 2. by smoke, the sound actively assists evacuation. The unit generates noise at all frequencies across the human hearing range. Varying tones and intensities provide distinctive directional cues and do not interfere with traditional horns and bells. 423 [ILLUSTRATION OMITTED] |
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