Set Vertical Format (SVF)

Table 1 describes the parameters that can be used with the SVF code point.

Table 1. Set Vertical Format parameters
SVF parameter Name Range NetSpool default
MPL Maximum number of lines per page 1 - 255 1

(The administrator can change the default in the printer definition in the Printer inventory.)
TM SCS top margin (position of first line) 1 - MPL 1

(The administrator can change the default in the printer definition in the Printer inventory.)
BM SCS bottom margin MPL (If not specified the current MPL is used. The default of 1 indicates that the page length is controlled by form feeds placed in the data stream.) MPL

(The administrator can change the default in the printer definition in the Printer inventory.)
VT SCS vertical tab settings    

SVF can be converted to a sequence of PCL Top Margin and PCL Page Length commands. The vertical tab settings, if specified, are saved for use with the SCS Vertical Tab or Vertical Channel Select control.

The definition in the Content column of Table 2 explains what values you can use in the corresponding column positions.

Table 2. Set Vertical Format convert to PCL
Bytes Content
1 - 2 X'2BC2'
3 Count of bytes after byte 2. It must be in the range 1 - 255 (count includes itself).
4 (optional) MPL or page length
  • 0 means to leave the hardware default
  • 1 - 255 are valid page lengths in lines
5 (optional) TM and Channel 01
  • 0 means to leave the hardware default
  • 1 - MPL are valid line numbers
6 (optional) BM
  • 0 means to leave the current MPL (hardware default or this command)
  • TM - MPL are valid line numbers
7 - 257 (optional) VT (7 - 18 are also channels 02 - 12)
  • 0 is ignored
  • TM+1-BM are valid line numbers