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User’s ManualPage 4-36
Contol Codes
In the ASCII coding scheme, all bytes with values less than 20h represent
control functions. The following table describes the control codes.
Code ASCII Control Code
Name Value Description
BEL 07 Bell The X/TRA XLi will send a BELL
character to the printer
BS 08 Backspace Causes the printer to move the
print position one space to the left, only if it is
the first code in the print line
HT 09 Horizontal Tab Causes the print position to
be moved horizontally to a predetermined
location on the page. If there is no tab stop set
to the right of the current position, a space is
performed
LF 25 Line Feed Forces the print position to be
moved down one line-height. The code may
be used as a valid line-ending code,
performing both the carriage return and line
feed functions, as well as a command
terminator.
VT 0B Vertical Tab Causes the print position to
be moved vertically to a predetermined
location on the page
FF 0C Form Feed Causes the printer to eject the
current page and begin a new page. This
occurs only if a printable character has been
placed on the page
CR 0D Carriage Return Causes the printer to
return to the first print position of the current
line. It may also be used as a valid line
ending, performing both the carriage return
and the line feed functions.
ESC 1B Escape This character gives subsequent
codes different meanings.