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Federal's SiraTone systern <br />has been developed for <br />applications requiring both <br />siren warning sound and <br />voice communication, and for <br />emergency operation <br />regardless of primary power <br />outages. Its electronically - <br />produced s,gna!s are <br />identical to that of a <br />Thin ider bait Ncurtt atrng <br />electromechanical siren. Two <br />models are available one <br />omni-directional and one <br />rotating —each capable of <br />producing up to seven <br />different signals plus voice. <br />SiraTone Systems <br />The SiraTone system consists <br />of a high power speaker <br />array, a control amplifier/ <br />battery cabinet which <br />provides 30 minutes <br />of continuous full signal <br />operation, independent of <br />primary power Activation of <br />EOWS' LK iSiralok option) <br />is available for DTMF Radio <br />Control Systems to prevent <br />unauthorized 3cfiv3tion. <br />This individual DTMF Radio <br />Address will enab!e or <br />disable the receivers at <br />each siren site. <br />both siren sound and oubfic <br />address me7soges can be by <br />Fedwal's Sir3lrui radio <br />control, a pre -installed <br />option (see page 11), by <br />pushbutton switches <br />connected through landlines, <br />or by direct access. <br />Installation cost is low; no <br />adoittonal electrical services <br />are required. <br />The control cabinet <br />EOWS'CiB contains a <br />diagnostic testing circuit that <br />allows system checkout <br />without alarming the public, <br />a command verification <br />digital counter, signal timer <br />adjustable from two <br />to five minutes, signal <br />generators, amplifiers, <br />automatic battery charger, <br />optional speaker position <br />control circuitry, and manual <br />siren controls in a NEMA 4 <br />enclosure. It will operate in a <br />temperature range from <br />-350C to + 75°C. <br />Two maintenance -free lead - <br />calcium deep -cycle, <br />rechargeable batteries are <br />enclosed within a NEMA 3R <br />cabinet. The batteries have a <br />reserve capacity to operate <br />even the largest system a <br />minimum of 30 minutes. <br />• <br />Rotating high ,:c-,,er speaker <br />models, use hrgh!y-reliable <br />freeze- and rust -resistant <br />mechat.+sms developed for <br />rotating signs, designed to <br />eliminate rotator damage, <br />and to provide smooth, <br />continuous stall -free rotation <br />and automatic incremental <br />speaker positioning for PA <br />announcements. They have <br />no dangling interconnect <br />cables. Reentrant speakers <br />provide maximum protection <br />from the elements for the <br />high -power speaker drivers. <br />The entire SiraTone system <br />complies with tough 10 CFR <br />50 quality standards. It, is <br />preassembled, prewtred <br />and pretested at the <br />plant, shipped ready for <br />installation Hardware is <br />provided for either universal <br />pole -mounting or for flat - <br />surface mounting. <br />Note Dispersion angles are <br />important whe,ii considering <br />rotating sirens. Too narrow a <br />pattern with a hivh rotational <br />speed may not provide a <br />recognizable outdoor <br />warning signal; listening <br />time is drastically reduced. <br />Greater horizontal dispersion <br />zin !es give those alerted <br />more time to hear, interpret, <br />and react to the warning <br />signal. <br />4 <br />