How to adjust the lens headlights?

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The adjustment height of lens headlamp is as follows:

1. Put the front of the car perpendicular to the wall and close to the wall about1m.. (low beam lamp) make two lamps have the same height. Then draw two focus points on the wall, the distance is similar to the distance of the lamp. Back the car slowly, see if the center point is offset, and adjust two points so that the two points match all the time.

2. Similarly, put the front of the car perpendicular to the wall, close to the wall about 1M, so that the heights of the two lights are the same (high beam), and then draw two focus points on the wall, the distance between the focus points is roughly the same as the distance between the lights, and slowly backward. Adjust two points and slowly approach the midpoint, which can be merged into one point around 30M- 100M.

3. This adjustment method is the same as the low beam lamp. The high beam can focus brighter at 30M- 100M, and the farther the irradiation distance, the smaller the divergence.