Emergency Vehicle Sirens(STABILIZED Oct 2012)
This SAE Recommended Practice provides laboratory test procedures, requirements and guidelines for electronic siren systems with a single loudspeaker, and electromechanical sirens for use on authorized emergency vehicles, which call for the right-of-way. Test procedures and performance requirements for individual system components are not included in this version. Results obtained for a siren system with a speaker array that is greater than 0.5 m in any dimension shall apply to the system only when the array is in the same spatial configuration as tested (i.e., the same speaker separation and orientation).
SAE J1849 will be stabilized at this time because no further changes to the procedures or requirements are foreseen in the immediate future since the April 2008 updates were made. If proposed changes come about the document will be opened for review and action.
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