Instrumentation is disclosed for use in orthopedic surgery that is capable of use as a compressor, a distractor, and a rod bender. The code generator generates local code from intermediate code. The ABR profiles may indicate encoding parameters corresponding to the encoded streams, e. The probe concentrator concentrates signals from the test instruments into a first serial signal stream for transmission over the connector mechanism. A high-quality halftone dot image free of tone jump is generated from the halftone dot image data. The IP address of the Mobile Node may then be used by the Corresponding Node to \u201cpush\u201d information to the Mobile Node.