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Scanner
A device that examines a printed pattern (barcode) and either passes the uninterpreted data
a decoder or decodes the data and passes it onto the Host system.
rial Port
to connect a scanner to your com
impulse or fluctuating electrical quantity (i.e.: a voltage or current) the variations of which
nges in information.
R Y-axis. Rotational deviati horizontal and vertical
orientation; may apply to single character, line or entire encoded item. See par. 2.5.
S
rs including start/stop a characters, as required, that
ble barcode.
Ti
tation around the Z axis. Used to describe the e with respect to the
par. 2.5.
gger Signal
by a photoelectric sen itch, which informs the
an object within its rea g zone.
Code. The standa packaging in
the United States.
canners to illuminate the b ght
630 and 680 nm.
to
Se
An I/O port used puter.
Signal
An
represent cha
Skew
e otation about th on from correct
ymbol
n of characteA combinatio
fo
nd checksum
rm a complete scanna
lt
Ro position of the barcod
laser scan line. See
Tri
A signal, typically provided
scanner of the presence of
sor or proximity sw
din
UPC
Acronym for Universal Product rd barcode type for retail food
Visible Laser Diode
A light source used in s
at wavelengths between
arcode symbol. Generates visible red li
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