Printronix ANSI Printer manual Sfcc, Sld, Sna, Soh, Sscc, Tcb

SFCC	Special Function Control Character. The first
	character in a printer command sequence. In
	Proprinter III XL emulation mode, you can select one
	of five characters as the SFCC. In Epson emulation
	mode, the SFCC must always be the ASCII escape
	character (ESC). See also command sequence and
	escape sequence.
shadow printing	A typeface with a heavy line thickness produced by
	doublestriking. The printer forms a character, then
	prints it again, but fractionally offset from the first
	position. See also bold, character weight.
shuttle	The subassembly in a line matrix printer that includes
	the hammer bank assembly and some or all of the
	drive mechanism.
sixel	A vertical column consisting of six pixels and treated
	as a unit in graphics applications.
size, type	See point.
SLD	Set Line Density
slewing	Rapid vertical paper movement.
SNA	Systems Network Architecture. A hardware and
	software protocol used on IBM mainframe networks.
soft reset	See warm start.
SOH	Start Of Header
spacing	See font, proportional and font, monospaced.
SSCC	SuperSet Control Code. It is of the form SFCC } ;
	and is used to execute superset commands.
start bit	The signal that indicates the start of a character or
	element in a serial data stream.
stop bit	The signal that indicates the end of a character or
	element in a serial data stream.
string	Two or more bytes of data or code treated as a unit.
style, type	See type style.
superset commands	Commands which are an extension to the base
	LinePrinter+ printer protocol, such as the bar code
	commands for the Epson FX protocol. See also
	SSCC.
symbol set	See character set.
	T
TCB	Task Control Block

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