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Press the+/- keys to switch to "F1", press the "SET" key to display the stop humidity value, and press the+/keys to set the humidity value. Press the "SET" button to display "F0" and press the "SET" button to display the start humidity.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.