AXIS 5470e/570/670e User’s Manual Appendix C: Extended IBM Printer Emulation 245Appendix C Extended IBM PrinterEmulationWhen printing from an IBM host, the AXIS 5470e/570/670e allowsyou to make use of the following printer functions not found instandard IBM printers:• Configuration Mode• Hex Transparency• User Defined Strings• String Substitutions• Bar Codes• Font Selection.This appendix provides a brief overview of some of these functions.For more information, please refer to the AXIS Network Print ServerTechnical Reference supplied on the AXIS Product CD.Configuration Mode The Configuration Mode provides a way to configure your AXIS5470e/570/670e from your IBM system. For more information seeSNA Parameter Overview (page 231).User Defined Strings The User Definable Strings are a set of 256 programmable sequences.The UDS are useful for storing long sequences, such as printerfunction sequences, within the AXIS 5470e/570/670e. Each sequencecan be activated by inserting a short control command in yourdocuments.String Substitutions The String Substitution function searches the output data stream forspecified sequences of AIC characters (Match Strings), and substitutesthem with other sequences (Substitute Strings). Up to 128 pairs of