| 摘要 |
<p>A method for positioning a beam converter over a headlamp of a vehicle, said method comprising the steps of switching on said headlamp so that it emits a beam, locating a template in the path of said beam, holding a barrier with a slot between said headlamp and said template, observing a beam pattern incident on said template, moving said barrier until said beam pattern is consistent with a hotspot of said beam being incident on said slot, applying a marker on said headlamp to indicate a position of said hotspot; and using said marker to position said beam converter.</p> |
