Upon switching to the body sensor mode, the PTC heating element keeps operating for the first 2 minutes and the system will continuously detect the presence of human body; if human body is detected within 2 minutes, it keeps functioning while resetting the timer for another 2-minute interval. If human body is not detected, the PTC heating element will stop working after 2 minutes.10 seconds later the motor will be switched off and stop generating warm air.
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