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The device shall contain an automatic shut down function that de- energizes the voice amplifier <br />approximately 20 minutes after the last time the user speaks. Designed to conserve battery life <br />when a user forgets to turn off the voice amplifier, the voice amplifier shall be reactivated after <br />shut down by pressing the on/off switch. <br />The microphone shall be located on the surface of the bayonet mounting fixture and voice <br />projection shall be facilitated by means of a circular gasket that seals the device to the <br />communications mounting bracket. The amplifier shall contain a custom speaker designed for <br />pushing sound through background noises commonly found at emergency events. The device <br />shall not feedback for longer than I second when worn on a level A haz -mat suit. <br />The device shall be able to provide a minimum STI score of 0.65, even though NFPA minimum <br />requirement is 0.60. The voice amplifier, when attached to a facepiece, shall be able to <br />withstand a 30 minute tumble test. A single voice amplifier shall be able to withstand eight, 6 <br />foot drops, once on each side and two edges. The voice amplifier shall be able to withstand a 30 <br />minute tumble test not attached to the facepiece. <br />CONFIRM EXCEPTION <br />12) Warranty <br />The unit shall be covered by a warranty providing protection against defects in materials or <br />workmanship. This warranty shall be for a period of ten (10) years on the SCBA, except for the <br />pressure reducer, which shall be covered for fifteen (15) years. Electronic components shall be <br />warranted for five (5) years. <br />CONFIRM EXCEPTION <br />