Xerox 6180N Using LCDS Print Description Language - Page 350
VFU command, ac identifier, VFU command parameters, VFU ASSIGN, Syntax, Table 4-94. Summary of VFU
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Specifying print format parameters VFU command The VFU command assigns output line numbers to printer carriage control channels. These Line to Channel assignments perform the same function as the printer carriage control tape on a conventional line printer. The VFU command also assigns line numbers to the top of the form (TOF parameter) and the bottom of the form (BOF parameter). TOF and BOF are used for prejob page alignment and for page overflow processing. ac identifier You must specify an identifier of the type ac (at least one alpha character required) when defining the VFU table, and reference it in the VFU parameter of the LINE command. The VFU command must precede the referencing LINE command. VFU command parameters The following table summarizes the VFU command parameters. Table 4-94. Summary of VFU command parameters Parameter Specifies VFU ASSIGN Assigns a VFU channel number to a page line number or set of line numbers. VFU BOF Bottom Of Form Indicates the number of lines from the top of an output page to the last print line on the page; i.e., defines the last line on which printing appears. VFU TOF Top Of Form Indicates the number of lines from the top (as defined by the PDE BEGIN values) of an output page to the first print line on the page; in other words, defines the first line on which printing appears. Online Offline DJDE Y Y Y Y Y Y Y Y Y The following sections describe the syntax of the command parameters and explain the parameter options. VFU ASSIGN Specifies assignments of channel numbers to output lines. Syntax [ac:] VFU ASSIGN = {(channo, lineno) | (channo, (lineno1 [, lineno2] [, ...]))} 4-110 Using LCDS Print Description Language