4. Rotate the fan body manually clockwise or counterclockwise. The maximum rotation angle: 360° ( Fig.3) . IMPORTANT: During the first few minutes of initial use, you may notice a slight odor. This is normal and will quickly disappear. CARE AND MAINTENANCE TO CLEAN: Always disconnect the fan before cleaning. Light accumulated dust can be removed by using a soft cloth to wipe away the dust at the back grille of the fan.