Vectron POS Modular User Manual - page 62
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Vectron POS Modular
Glossary
B
ackground lighting ...............Serves to make visible the content of
LCD-sreens even under bad light condi-
tions.
Bar code .......................................Information is coded by means of a cer-
tain sequence and width of bars. Mainly
used for packaging, contains specific
product information, e.g. on content,
price etc. The scan code is read with a
special scanner.
C
E ..................................................With the CE-mark a manufacturer con-
firms that his products were produced
in conformity with EU standards and
regulations. The abbreviation CE stands
for
C
ommunauté
E
uropéenne.
Client/Server-System .............Network structure with hierarchical dis-
tribution of tasks. The server provides
data, services and resources, which the
work stations (clients) use.
D
isplay .........................................Screen
DRAM ...........................................In a dynamic RAM (DRAM) the electric
charge must be refreshed with a refresh
pulse to keep the data in the memory
cells.
E
thernet .......................................Standardized network protocol, used
for connecting computers and networks
per coaxial cable.
F
lashROM ...................................Special memory type for system- and
application software. Can do without
current source or requires only a button
cell.