body. This transmitter must not be co-located or operating in conjunction with any other antenna or
transmitter.
12. tiiwee PIR sensor 02
Product Overview and activation
Open the back panel to insert the batteries. Please note the correct polarity. Now, close the back
panel again. Slide the ball joint in place until it locks. Do not yet position the wall mount. Please first
carefully read the sections “General installation guidelines” and “How to mount a PIR motion
sensor” before you install the motion detector.
General installation guidelines
Avoid positions close to a window, air conditioners, fluorescent lights, heaters, refrigerators, stoves,
and direct sunlight and other places where the temperature would change rapidly, and where airflow
is high. If there are two detectors in the same detecting range, please adjust the position to avoid
interference and false alarms.
IMPORTANT: The Infrared detector is sensitive to a human’s horizontal movement. The detector is
less susceptible to vertical movements. Therefore, it is advised to aim the device at a 90 degrees’
angle to a person’s walking direction.
How to mount a PIR motion sensor
Unlike magnetic door and window sensors, PIR motion sensors recognize heat differences.
Sometimes heat differences are unnoticeable. Our PIR motion sensors feature advanced algorithms
that help to detect the difference between a human being and environmental heat changes.
However, it is essential to carefully select the right position of PIR motion sensors for it to function
correctly.
Therefore, we recommend installing the motion detector in a corner that is void from any of those
factors mentioned above, and where the sensor is directed at the room you want to guard.
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