2
Glossary
L
R4C3820
Rev. C
A5 size
GLOSS.FM
4/9/01
Pass 0
Proof Sign-off:
KOW S.Koide C.Fujiwara
J.Miyakoshi
NOC Lee
Default Gateway (Address)
The IP address of a special device used to route data from one part of a network
using TCP/IP to another. See also IP address, TCP/IP, and Internet.
DHCP
Dynamic Host Configuration Protocol, A TCP/IP network protocol that enables
hosts to obtain temporary IP addresses from one or more centrally administered
servers.
DHCP server
Dynamic Host Configuration Protocol server, A computer which has been
configured to respond to DHCP requests from other computers on the network.
dithering
A process in which software or an output device simulates continuous tones with
groups of dots.
DNS
Domain Name System, a naming service which allows the looking up of IP
addresses based on host (domain) names.
document
The item, such as a sheet of paper or a book, that is placed on the document table
for the scanner to read.
dpi
Short for dots per inch. A unit of measurement for resolution. The higher the
value, the higher the resolution.
dropout color
A color the scanner does not recognize and ignores. You can select and deselect
dropout colors in the scanner software.
ESC/I
Abbreviation for EPSON Standard Code for Image scanners. A system of
commands that allows you to control image scanners from your software.
ESC/P
Abbreviation for EPSON Standard Code for Printers. A system of commands that
allows you to control printers from your software.
exposure
A scanner function that lightens or darkens the scanned image data.
grayscale
Images represented with various shades of gray in addition to black and white.
halftoning
A method of reproducing images with patterns of dots to improve the quality of
the output.