The SAE J1623 rewrite rationale which was named All-Terrain Vehicle Headlamps is being rewritten and it is proposed to be named as Off-Highway Vehicle Headlamps. The reason for the change in title is to expand the scope of the document to better match the products that use this document. The rationale also includes new areas that:
provide an alternative beam pattern for faster vehicles while keeping the existing beam pattern for slower vehicles
make the references to light sources as opposed to bulbs
with the development of LED Technology, add some new sections specifically to address the use of light sources (to allow new technology)
include new elements to allow for the safe application of LEDs and more sophisticated drive circuits.
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