Federal!Signal!UltraVoice!Remote!Interface!(UVRI)!
Installation,!Operation,!and!Service!Manual!
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UVRI!OPERATION!
32!
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5.7! Quiet!Test!
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This!option!enables!acoustically!quiet!tests!to!be!performed!on!the!UVRI!control!and!the!
remotely! controlled! devices.! Quiet! Test! uses! a! 20! kHz! tone! to! quietly! test! the! tone!
generators!and!the!remote!amplifiers!(if!applicable).!To!perform!this!test!the!Quiet!Test!
must!be!programmed!under!one!of!the!activation!codes.!If!it!is!one!of!the!first!7!codes!
then! it! can! be! activated! manually! through! the! switches! on! the! front! panel! or! with! the!
remote!activation!inputs.!Normally!once!the!Quiet!Test!is!programmed!under!one!of!the!
activation!codes,!the!code!is!activated!over!the!radio!channel,!the!panel!switches,!or!with!
a!local!laptop!computer!running!SFCDWARE.!!
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A.!
Operation
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The!results!of!a!Quiet!Test!can!be!obtained!remotely!using!the!!printout!or!the!
SFCDWARE! control! and! status! monitoring! software.!The! status! can! also! be! obtained!
locally! at! the! siren! site! with! a! portable! computer! running! SFCDWARE.! The! actual!
amplifier!voltage!and!current!are!monitored!with!Quiet!Test!providing!a!true!indication!of!
each!amplifier!and!load!performance.!
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B.!
Finding!Faults!
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When!using!SFCDWARE,!the!controller!will!automatically!update!the!Quiet!Test!status!
each! time!a! new! Quiet! Test! is! run.!The! status! can! be! obtained! from! the! status! detail!
screen!and!from!the!Reports!menu.!
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5.8! DC!Power!Supply!
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A!13.5916.5VDC!(13.8VDC!Nom.),!7A!supply!provides!a!constant!voltage!current!limited!
charging!system!for!the!integrated!12V!battery!and!power!for!peripheral!equipment.
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