INSTALLATION PROCEDURES SAFETY WARNING HOOD MAY HAVE VERY SHARP EDGES;PLEASE WEAR PROTECTIVE GLOVES IF IT IS NECESSARY TO REMOVE ANY PARTS FOR INSTALLING, CLEANING OR SERVICING. 10mm 3. How to use the touch control A: Press Button A once, turn on the light. Press it again, turn off the light. B: Press button B, the fan runs at the boost speed. C: Press button C, the fan runs at the middle speed. D: Press button D, the fan runs at the low speed. E: Press button E, the fan turns off.
