The override action occurs when a slight pull toward the driver on the switch lever providers high beam headlights regardless of the amount of light on the sensor-amplifier.

轻轻朝着驾驶员的方向拉动开关控制杆这一动作，就可以使前照灯远光灯泡点亮，而不用顾及灯的数量。

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So liquid crystal grating is used in extensive field such as diffraction optics, photoelectric switch, deflexion controlling of light beam.

因此液晶光栅的这种光电特性在衍射光学、光电开关、光束偏转控制等许多领域具有广泛的应用前景。

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The low beam light switch is placed a little far away on the dash which is annoying but most other switches are within reach and work well.

近光灯开关设计得有点远，有点郁闷。但是大部分得开关都够得着，工作正常。

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Operators can also hold the switch down to run the flashlight in low mode, producing a 50 lumen light beam and a longer 12 hour runtime.

ENGADGET: Explosion-proof flashlight could be the first to outlive its owner

By pressing the switch once, the light operates in high mode to produce a full power 130 lumen light beam with a long 4 hour runtime.

ENGADGET: Explosion-proof flashlight could be the first to outlive its owner