An exercise apparatus seat includes a seatbottom and a seatback each pivoted to a support frame at respective first and second stationary pivots, and coupled to each other at a third translational pivot. In one embodiment, a mobile station adds each connection to a connection list following registration with the PCF. A drive face on the outer surface of the transducer has a diameter less than half the diameter of the round window membrane. The method and apparatus are suitable for postage meter machines as well as for scales containing postage computers or similar devices.