Hi i have brought Sir Cooler from Singer "http://www.singersl.com/products/index.asp?pcode=SYM_SYM-HIC-26I&PC=air_coolers " Model No - SYM-HIC-26I
in there top "where you fill water" there is a nop call "Humidity control" on /OFF any one who how it work do i need to put it ON or OFF I have...