... keys: one for turning on/off the fan, three for controlling the fan speed, two for turning on/off the ... lights, and another “Timer” key for timed operationThe fan speed can be set at HI, MID, and LOW ... and the LCD display will show corresponding “/ ”indicator.The fan can be timed using “Timer” key with a delay ... of 1, 2, 4, and 8 hours (or other custom settings), and the LCD display will ...