LEITZ TruSens Z-2000 Manuel D'utilisation page 16

CLEANING THE SENSORPOD
Cleaning the air quality sensor
The SensorPod uses an infrared light to detect particulate
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matter, so it is important that you clean the viewing
chamber every 1-2 months to remove any dust or particles
that may affect the accuracy of the sensor's readings.
1. Turn-off the SensorPod by unplugging the power cord.
2. Open the easy-access door on the front side by pulling
the door up at a 90° angle.
3. Use a damp cotton swab to wipe the lens and intake
area of the dust sensor (Fig. O).
4. Use a dry cotton swab to wipe away any remaining
moisture.
5. Close the cover by rotating the door back down and
sliding it back into place until you hear a click.
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Fig. O