| 摘要 |
An efficient method and device for aligning or adjusting a collimated light beam of a linear smoke detector having a light transmitter, a light receiver, a deflection unit, and an evaluation unit. The evaluation unit evaluates the intensity of the collimated light beam that is emitted by the light transmitter and is received at the light receiver. The collimated light beam is deflected by the deflection unit based on the evaluation result from the evaluation unit until a predetermined intensity is reached as detected by the light receiver.
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