Datalogic Laser Barcode Reader DS4600A-2XX5 Instrukcja Instalacji Pobierz pdf (Strona 101)

Skew

Rotation about the Y-axis. Rotational deviation from correct horizontal and vertical

orientation; may apply to single character, line or entire encoded item. See par. 2.5.

Step-a-Head™

Step-a-Head™ makes it possible to rotate the reader head and the decoder base

independently from each other. As a result of the Step-a-Head™, the DS6300 can always be

installed in the ideal position. It is possible to change the orientation of the connector panel

while the laser window remains in the desired position.

Symbol

A combination of characters including start/stop and checksum characters, as required, that

form a complete scannable barcode.

Tilt

Rotation around the Z axis. Used to describe the position of the barcode with respect to the

laser scan line. See par. 2.5.

Trigger Signal

A signal, typically provided by a photoelectric sensor or proximity switch, which informs the

scanner of the presence of an object within its reading zone.

UPC

Acronym for Universal Product Code. The standard barcode type for retail food packaging in

the United States.

Visible Laser Diode

A light source used in scanners to illuminate the barcode symbol. Generates visible red light

at wavelengths between 630 and 680 nm.

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Datalogic Laser Barcode Reader DS4600A-2XX5 Instrukcja Instalacji Strona 101