Genicom GEK 00031B - Manual (Page 200)

Chapter 8. PPL3 Plus Emulation GEK-00029B 200
HT Horizontal Tab (09H): HT moves the active position to the next
horizontal tab stop on the same line. If no tab stop exists to the right
of the active horizontal and within the right margin, HT moves to the
right margin and sets the Right Margin Flag.
If no tabs are set and bar code is not active, HT moves the active
horizontal position to the right margin.
LF Line Feed (0AH): LF moves the active vertical position down one
Vertical Advance Increment (VAI). If Line Feed/New Line Mode (LNM)
is set, the active horizontal position moves to the Line Home Position.
See the section on the Page Coordinate System later in this chapter.
SI Shift In (0FH): SI, also named Locking Shift Zero (LS0), maps
character set G0 as the GL character set.
SO Shift Out (0EH): SO, also named Locking Shift One (LS1), maps
character set G1 as the GL character set.
SUB Substitute (1AH): This sequence aborts the sequence in progress.
SUB in a control string generally aborts the string in progress. (Need
a reference to a local equivalent of table 2-2 in the spec.)
SUB in printable text causes the error character to be printed. The
error character is taken from the GL font. The error character for most
fonts is a distinctive reverse question mark. In some instances a
normal ? character is printed.
VT Vertical Tab (0BH): VT moves the active position to the next vertical
tab stop on the current page. If no tab exists between the active
position and the bottom margin, VT moves the active position to the
bottom margin. Be aware that this command interacts with
coordinate system bounds. If no vertical tabs have been set, then VT
moves the active position to the bottom margin.