Vectron POS Modular User Manual - page 64
64
Vectron POS Modular
R
AM ..............................................
R
andom
A
ccess
M
emory = working
memory
ROM ..............................................
R
ead
O
nly
M
emory = You can only read
this memory and it keeps the data even
if it is not supplied with power.
S
canner ........................................Device for reading and forwarding bar
codes. The scanner is connected to a
computer or POS system.
Screen saver ...............................Serves for protection of screens. After an
adjustable period of system inactivity,
the display either permanently changes
or the screen is switched off. The screen
saver is stopped as soon you touch an
input device.
Server ...........................................Central POS system in an ECR network,
which provides the client ECRs with
data, memory and resources. The server
administers the ECR network.
Software ......................................Heading for every type of computer pro-
grams.
SRAM ...........................................Static RAM. A permanent quiescent cur-
rent preserves the stored information. In
switch off mode, this quiescent current
is maintained by a battery that is moun-
ted on the main board.
T
erminal ......................................Monitor for data display, connected to
the central computer; data processing
and -storage is made via the central
computer. We distinguish:
• Dumb terminals, which only have
screen and keyboard but not an own
data processor. Data processing is
made by the central computer
• Intelligent terminals correspond mo
-
re or less to a complete computer