IntelliTech Intellibar M412, Reference Manual

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HP PCL Font Characteristics 6-29
When you embed carriage return characters in text, each portion of the text character is
positioned according to the text origin, just as if they were written as separate label (LB)
commands.
An LO command remains in effect until another LO command is executed, or the printer is
initialized or set to its default conditions.
Label (LB)
This command prints text using the currently defined font. Use the LB command to
annotate drawings or create text-only charts.
LB text ... text label terminator
Table 6-25 Label Command Parameters
Parameter Format Functional Range Default
text ... text character any character(s) None
The LB command includes an automatic pen down function. When the LB command
completes, the original pen up/down status is restored.
text ... text - ASCII characters are drawn using the currently selected font. (Refer to the
AD, SA, SD, and SS commands in this section for details on specifying and selecting
fonts).
You can include non-printing characters such as the carriage return (CR - decimal code 13)
and line feed (LF -decimal code 10). These characters invoke the specified function, but are
not drawn.
The text begins at the current pen location (unless altered by the LO command). After each
character is drawn, the pen location is updated to be the next character origin.
Label terminator - Terminates the LB command. You must use the special label terminator
(refer to the DT command in this section) to tell the printer to exit the LB command mode.
If you do not use the label terminator, everything following the LB mnemonic is printed as
text characters, including other commands. The default label terminator is the non-printing,
end-of-text ETX (decimal code 3) sequence. You can define a different terminator using
the DT command.