HP 5961-0509 manual Symbol Set, Treatment, Typeface, UEL Universal Exit Language Command, Unicode

Symbol Set

A symbol set is a unique ordering of the characters in a font.

Each symbol set is defined with a unique set of applications in mind. Symbol sets are created for many purposes, for example, the PC-8 symbol set was designed to support US IBM-PC applications.

Treatment

Treatment is the combination of font style and/or weight. For example, some treatments of Times Roman font include: upright, or bold, or italic.

Typeface

Typeface is a generic name for graphics symbols having common design features. Each typeface has unique and distinguishing characteristics.

UEL (Universal Exit Language) Command

The Universal Exit Language (UEL) command (?%–12345X) causes the PCL printer language to shut down and exit. Control is then returned to the Printer Job Language (PJL). Both PCL 5 and HP-GL/2 recognize this command.

The UEL Command has the same effect as the ?E command, and also enters PJL Mode of operation for printers that support PJL (refer to the section, “Universal Exit Language Command” in Chapter 4 for more information).

Unicode

This is a grouping of symbols (a symbol index) used by TrueType fonts. An unbound font has the capacity to be bound to a set of symbols selected from a complementary symbol index (such as the Unicode or MSL symbol indexes). Each symbol in the index is identified by a unique Unicode number. Appendix D of the PCL 5 Comparison Guide contains the Unicode symbol index.

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