1. A portable communication device comprising: a motion detector configured to measure a movement of the device relative to a neutral position of the device; an indicating unit configured to provide an indication that a current position of the device is to be set as the neutral position of the device; and a control unit configured to: set the current position as the neutral position responsive to the indicating unit providing the indication, associate the measured movement of the device relative to the neutral position of the device with an associated command, and execute the associated command.