What Does the ‘auto’ Button Do?

The Automatic setting programs the unit to run on high at most times and then transitions to low for a slower, quieter speed. While most people find the fan sound helps them sleep better at night, the Automatic setting offers the option of a quieter setting at night. A light sensor is built within the unit, so as the room darkens then unit adjusts to low and when enough light is present in the room, it adjusts to high.

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