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configuration Refers to the operating properties that define how the
printer responds to signals and commands received from
the host computer at the printer interface. These
properties are called configuration parameters and must
be set to match the operating characteristics of the host
computer system.
controller An independent logic unit in a data processing system
that controls data paths between the central processing
unit and one or more units of peripheral equipment.
cpi Characters per inch. A unit of measurement of
monospaced fonts indicating the horizontal density. For
example, 10 cpi means 10 characters can be printed in
one horizontal inch.
cps Characters per second. A measurement of the print
speed of a serial (character) printer.
CPU Central Processing Unit
CR Carriage Return
CT0 Abbreviation for Coax/Twinax only. A model available in
a previous generation of the InfoPrint Line Matrix Printer.
CTA Abbreviation for Coax/Twinax/ASCII.
CTS Clear To Send
CVFU Abbreviation for Centronics direct access Vertical Format
Unit.
DAVFU Abbreviation for Direct Access Vertical Format Unit. Also
known as NVFU. See also NVFU.
DC Data Controller
DCD Data Carrier Detect
decipoint One tenth of a point. A unit of length equal to 1/720 inch.
See also point.
default A value, parameter, attribute, or option that is used by a
program or system if another is not specified by the user.
descender The portion of a printed, lowercase character that
appears below the base line. For example, “g,” “j,” “p,”
“q,” and “y” are characters with lowercase descenders.
diagnostic Pertaining to the detection and isolation of a printer
malfuction or mistake.
disable To deactivate, make “false” (0) or set to OFF.
DP Abbreviation for data processing print. This is a mid-
quality, mid-speed print resolution.
draft A limited dot font used for rough copy. Low print quality
but fast print speed.
DRAM Dynamic Random Access Memory
DSR Data Set Ready
DTR Data Terminal Ready
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