Digital Equipment LGplus Series, Руководство по установке

Страница: 181 / 194

Glossary–9
R
RAM Acronym for random-access memory. Also called “main memory”
or “working memory.” RAM is the active memory of a printer,
into which programs are loaded. This memory can be read from
or written to at any time. RAM is also termed “volatile” because
whatever information is in RAM is lost when power is turned off
or interrupted.
See also ROM.
read To retrieve data from memory (RAM) or from mass storage (hard
disk, floppy diskette, etc.).
reset To turn off, deactivate, disable, or return to a previously
determined state.
resolution A measure expressing the number of component units in a given
range used to create an image. In printing, this is expressed as the
number of dots per inch (dpi) horizontally and vertically.
ROM Acronym for read-only memory. Programs, instructions, and
routines permanently stored in the printer. Information in ROM is
not lost when power is turned off. ROM cannot be written
to—hence the term “read-only.”
See also RAM.
roman A type style in which the characters are upright. This sentence is
printed in a roman type style.
S
serial communications The sequential transmission of data, in which each element is
transferred in succession.
set To turn on, activate, invoke, or enable.
SFCC Abbrev. for special function control character. The first character
in a printer command sequence. In P-Series emulation mode, you
can select one of five characters as the SFCC. In Epson FX and
Proprinter emulation mode, the SFCC must always be the ASCII