The footrest height should be adjustable to cover the range from a minimum of 2.5 cm (1 in.) to a maximum of 22.9 cm (9 in.) above the floor surface. For seat pan heights (measured from the depressed top surface of the seat pan) that can adjust to more than 68.6 cm (27 in.) above the floor surface, a greater maximum footrest height may be required. 1472G