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Standard

COLOR SPECIFICATION

1995-06-01
HISTORICAL
J578_199506
This SAE Standard defines and provides a means for the control of colors employed in motor vehicle external lighting equipment, including lamps and reflex reflectors. The document applies to the overall effective color of light emitted by the device in any given direction and not to the color of the light from a small area of the lens. It does not apply to pilot, indicator, or tell-tale lights.
Standard

EMERGENCY VEHICLE SIRENS

1989-07-01
HISTORICAL
J1849_198907
This SAE document provides test procedures, requirements, and guidelines for electronic and electromechanical sirens for use on authorized emergency vehicles. It is based on the performance of state-of-the-art devices that have proven effective in emergency service. However, it is important for the user to understand that such devices will not necessarily be heard by the drivers of every vehicle under all conditions in time to permit all drivers to take appropriate action. Sound levels high enough to be heard at reasonable distances in soundproofed automobiles with operating air-conditioners and stero sound systems are so high as to be environmentally unacceptable. The siren is a useful warning device for calling for the right-of-way by an emergency vehicle but must always be used in conjunction with effective visual warning devices and operated only by properly trained personnel.
Standard

Emergency Vehicle Sirens

2020-02-10
CURRENT
J1849_202002
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).
Standard

Emergency Vehicle Sirens

2012-10-15
HISTORICAL
J1849_201210
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).
Standard

Emergency Vehicle Sirens

2008-04-21
HISTORICAL
J1849_200804
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).
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