8
9. Lens Mask
• The supplied lens mask can be used to reduce the sensor coverage, preventing
detection in unwanted areas.
• Cut the lens mask either horizontally or vertically until the desired area of
detection is obtained.
• For your information, the centre section of the lens mask covers short range
detection, and the outer edge of the lens mask covers long range.
• Push the lens mask into the slot around the sensor head. The position can be
adjusted by sliding it around the slot as follows;
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