Datalogic DS6300 Reference Manual

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Datalogic DS6300 Reference Manual Manual pdf 124 page image

108GLOSSARYACR™ 4Each version of the base has the powerful code reconstruction technology (ACR™ 4). Thenew fourth generation ACR™ considerably increases the code reconstruction readingcapability in 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.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.InterfaceA shared boundary defined by common physical interconnection characteristics, signalcharacteristics and meanings of interchanged signals.LED (Light Emitting Diode)A low power electronic device that can serve as a visible or near infrared light source whenvoltage is applied continuously or in pulses. It is commonly used as an indicator light anduses less power than an incandescent light bulb but more than a Liquid Crystal Display(LCD). LEDs have extremely long lifetimes when properly operated.