Tiiwee PIR sensor 02 Manuel D'utilisation page 4

Attach the detector to the bracket, and change the detecting angle and
distance by adjusting the installation height and the bracket. It is advised
to install the device at a height of approximately 2 meters.
IMPORTANT: The Infrared detector is sensitive to a human's vertical
movement. It is less sensitive to horizontal movements. Therefore, it is
advised to aim the device at a 90 degrees' angle to a person's walking
direction.
Test
1. After the installation, turn the switch to ON. Now, walk or move in front
of the PIR sensor at a distance between 3 and 6 meters.
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