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MM5D91-00-InstallationGuide-D01
3.2. Abnormal Situation
Assume the macro threshold and mirco threshold are set to 0.5 and 10 respectively. When
there is a vibration object, micro value will remain at a level higher than micro threshold.
Which will make the radar state incorrectly stay in presence state even when no one is in the
room.
Figure 3-15. shows an example of situation with air conditioner disturbing the detection. Area
highlighted in black is the timing which air conitioner is turned on. Area highlighted in blue is
the timing which air conitioner is turned off.
Figure 3-15. Mirco value and Marco value when small vibration exits
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