NCT Manual. - National Car Testing Service
NCT Manual. - National Car Testing Service
NCT Manual. - National Car Testing Service
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31<br />
NATIONAL CAR TEST (<strong>NCT</strong>) MANUAL 2012<br />
HEADLAMP AIM<br />
British-American Type Headlamp – checked on dipped beam.<br />
The lens is usually circular and of a sealed beam construction. It may be marked with an ‘E’ or a ‘2’ and may also have an arrow.<br />
On dipped beam, it will produce a pattern similar to the figure below.<br />
.<br />
0%<br />
Area of<br />
Maximum Intensity<br />
2.75%<br />
2%<br />
Figure 2<br />
0%<br />
Check on the dipped beam and determine that:<br />
1. the upper edge of the hot spot lies between the 0% and 2.75% horizontal lines shown on the screen.<br />
2. the right hand edge of the hot spot lies between the 0% and 2% vertical lines.<br />
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