Printronix ANSI Printer manual Dsr, Dtr, Dvfu, Ebcdic, Ecma, Eeprom, Eia/Tia, Evfu

DSR	Data Set Ready. Status signal to the printer
	indicating the host is in a ready condition.
DTR	Data Terminal Ready. Control signal from the printer
	indicating it is in a ready condition.
DVFU	Dataproducts direct access Vertical Format Unit.
	E
EBCDIC	Extended Binary Coded Data for Information
	Communication.
EC	Engine Controller
ECMA	European Computer Manufacturers Association.
EEPROM	Electrically Erasable Programmable Read Only
	Memory.
EIA/TIA	Electronic Industries Association/
	Telecommunications Industry Association
Elite	A name indicating a monospaced font with a pitch of
	12 cpi (and usually 10 points in height).
em	A unit of measure in typesetting: the width of a piece
	of type about as wide as it is tall. (Derived from
	uppercase M, usually the widest character in a set.)
emulation	Refers to the ability of a printer to execute the
	commands of another printer protocol. When used as
	a proper noun (e.g., Proprinter III XL Emulation), it
	means printer protocol. See also compatibility and
	protocol.
en	A unit of measure in typesetting equal to half the
	width of an em.
enable	To activate, make true (1), or set to on.
escape sequence	A command sequence in which the first byte is
	always the ASCII ESC character. Same as “escape
	code.” See also command sequence, SFCC, SSCC.
ETX	End of Text. A transmission control character sent
	from the host to the printer, indicating the end of
	transmission of a block of data.
EVFU	Electronic Vertical Format Unit. Relates to the ability
	to slew (skip quickly a specified number of lines).
expanded	A font enhancement referring to larger-than-normal
	character width with no change in character height.
	F
false	Off or zero. Compare true.

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