A two way radio includes a first push to talk button and a second push to talk button. The intramedullary nail fastener targeting and bone compressiondistraction device has a nail carrier portion, a bone fastener alignment and drill jig portion, and a compressiondistraction mechanism. The line-powered module includes a selection input that is coupled to the control unit such that the selection signal can be received at the selection input. The number andor strength of the magnets measurable by the sensors may be dynamically altered such that the status of the surgical instrument is determinable. Additionally and on the other hand, the invention provides the advantages achievable by using a network proxy. An additional X-ray fluorescence measurement is carried out.