A handheld device for use in a wireless environment to operate an
apparatus is provided. The handheld device sends a request to an
apparatus controller to initiate a maintenance sequence. The handheld
device receives information from the apparatus controller to control the
operation of the maintenance sequence. The handheld device sends a
maintenance command to the apparatus controller. The handheld device then
receives information regarding the state of the apparatus after the
maintenance command is executed.