Datalogic DS6300 Reference Manual

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Datalogic DS6300 Reference Manual Manual pdf 100 page image

GLOSSARYACR™ 4Each version of the base has the powerful code reconstruction technology (ACR™ 4). Thenew third generation ACR considerably increases the code reconstruction reading capabilityin the case of damaged or very tilted barcodes.ApertureTerm used on the required CDRH warning labels to describe the laser exit window.BarcodeA pattern of variable-width bars and spaces which represents numeric or alphanumeric datain machine-readable form. The general format of a barcode symbol consists of a leadingmargin, start character, data or message character, check character (if any), stop character,and trailing margin. Within this framework, each recognizable symbology uses its own uniqueformat.Barcode LabelA label that carries a barcode and can be affixed to an article.Baud RateA unit used to measure communications speed or data transfer rate.CDRH (Center for Devices and Radiological Health)This organization (a service of the Food and Drug Administration) is responsible for thesafety regulations governing acceptable limitations on electronic radiation from laser devices.Datalogic devices are in compliance with the CDRH regulations.Code PositioningVariation in code placement that affects the ability of a scanner to read a code. The termsPitch, Skew, and Tilt deal with the angular variations of code positioning in the X, Y and Zaxes. See par. 2.5. Variations in code placement affect the pulse width and therefore thedecoding of the code. Pulse width is defined as a change from the leading edge of a bar orspace to the trailing edge of a bar or space over time. Pulse width is also referred to as atransition. Tilt, pitch, and skew impact the pulse width of the code.EEPROMElectrically Erasable Programmable Read-Only Memory. An on-board non-volatile memorychip.Full DuplexSimultaneous, two-way, independent transmission in both directions.Half DuplexTransmission in either direction, but not simultaneously.HostA computer that serves other terminals in a network, providing services such as networkcontrol, database access, special programs, supervisory programs, or programminglanguages.84