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Motors: ATo Z X XENON; Crack the code of jargon with our weekly guide.

XENON headlights use gas-discharge lamps and are electronically controlled. The arc unit contains a gas consisting largely of xenon, an inert gas, that is ignited by high-voltage.

The resulting arc is very bright and serves as an excellent light source to illuminate the road.

The blue-white colour of xenon light is attributable to the fact that its spectrum is much closer to daylight than conventional halogen light. Furthermore, xenon headlights produce about twice as much light as halogen headlights and make night driving, particularly in poor weather, safer.

The xenon plus system offers all the xenon advantages on the high-beam as well. When the driver switches to high beam or back to low beam, an electromagnet is energised.

The xenon arc permits dispersion of the high beam and combines a long range with broad lateral illumination. A supplemental high beam halogen spotlight can act as a headlight flasher and further optimises the beam's throw
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Title Annotation:Features
Publication:Birmingham Mail (England)
Date:Oct 7, 2005
Words:154
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