288
Appendix E
bus
A circuit for the transfer of data or electrical signals
between two devices.
character cell
The invisible rectangular space occupied by a character,
including the white space around the character. The
height of a cell remains constant even with changes in
the current line spacing, and the width is equal to the
current character spacing. Used as a unit of spacing.
character proportion
The ratio of character height to character width.
See also
compressed
and
expanded
.
character set
A set of codes, each of which represents a printable
character, including symbols, punctuation, numbers,
diacritical markings, and alphabet characters. Each
character is assigned a unique code value.
character weight
The degree of lightness and thickness of printed text. For
example:
Bold
refers to a heavy or thick character
weight. Medium, normal, or book weight refer to the
character weight used in this sentence.
checksum
A stored or transmitted numerical value used to verify
data integrity.
Code V
An optional QMS emulation which allows you to create
and store forms, generate logos, bar codes, and
expanded characters, create other graphics, and merge
graphics with alphanumeric data as a document is
printed.
command
An instruction, such as a form feed command, sent from
a computer to the printer (sometimes called a control
code or non-printable character). As opposed to data,
which is information to be printed.
command delimiter An ASCII character used to begin a command string
(same as SFCC). Commonly used command delimiters
are ESC (1B hex) and SOH (01 hex).
command sequence
Two or more bytes that instruct the printer to perform a
special function. The first character in the sequence is a
special function control character (SFCC), which alerts
the printer that the string is a command sequence.
See also
escape sequence
,
SSCC
, and
SFCC
sequence
.
compatibility
The ability of one printer to accept and properly process
commands meant for a different printer.
See also
emulation
and
protocol
.
compressed
Refers to a typeface with a font width approximately 60%
smaller than normal. Character height is not changed.
Содержание 6400 Series
Страница 2: ......
Страница 3: ...6400 Line Matrix Printers S544 5640 01 Setup Guide Cabinet and Pedestal Models...
Страница 18: ...xviii Safety Notices...
Страница 86: ...86 Chapter 2 Test The Printer...
Страница 208: ...208 Chapter 4 RibbonMinder Menu...
Страница 224: ...224 Chapter 5 IEEE 1284 Parallel Interface...
Страница 234: ...234 Chapter 6 Hex Code Printout Figure 70 Sample ASCII Hex Code Printout Figure 71 Sample Code Hex Code Printout...
Страница 262: ...262 Appendix B Printing Speed...
Страница 268: ...268 Appendix C Compatibility and Limitations...
Страница 286: ...286 Appendix D Physical and Logical Unit Types...
Страница 315: ......
Страница 316: ...Copyright IBM Corp 1998 2002 174585 001A S544 5640 01 54P0515...