Overall Checksum | Hand Held Products IT3900, IT3800 specification

Overall Checksum

When this option is turned on, a computed check character is added at the end of the entire message. The check character is the character which when Exclusive-OR’d with every preceding character of the message yields a result of 0x00 (00H). Default = Off.

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IT3800/3900 User’s Guide

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Hand Held Products IT3900, IT3800 manual Overall Checksum

Contents

User’s Guide Disclaimer Statement of Agency Compliance FCC Class B Compliance StatementCanadian Notice TÜV Statement LED Safety StatementUL and cUL Statement TIC Statement Table of Contents Output Data Formatting Code 128 Message Length Check Digit Addenda Addenda Required Addenda Separator Cloning Maintenance Viii Getting Started Typical Applications for the IT3900About This Manual Unpacking the Scanner An IT3800 Or an IT3900 IT3800 Scanner Identification IT3900 Scanner IdentificationIT3900 Scanner Bottom View Connecting the Scanner When Powered by Host Keyboard Wedge For the IT3900 Mounting Information Plug and PlaySpecular Zone Option Setting IBM 4683 Ports 5B, 9B, and 17 Interface Symbology Suffix USB Interface IT3800/3900 User’s Guide Symbology Prefix USB ConverterOcia Interface Symbology NCR Ocia Short Format 8 Bit InterfaceNCR Ocia Long Format 9 Bit Interface Nixdorf Ocia Interface Serial Wedge IT3800/3900 User’s Guide Terminal Interfaces Keyboard Wedge Connection Terminal ID Supported Terminals Terminal Models Terminal ID Supported Terminals Keyboard Country Keyboard StyleCountry Code Scan Keyboard Modifiers IT3800/3900 User’s Guide Serial Port Connection Baud Rate RS-232 Word Length Data Bits, Stop Bits, and Parity RS-232 Word Length Data Bits, Stop Bits, and Parity RS-232 Handshaking Wand Emulation Connection Wand Emulation Transmission Rate Wand Emulation Polarity Wand Emulation Idle Delay Between Blocks Data Block Size Overall Checksum Beeper Volume OutputScan Rate Beeper Tone Scan VotingReduce Quiet Zone Reread Delay Good Read Delay Trigger Mode Serial Trigger Time Out IT3800/3900 User’s Guide Prefix/Suffix Overview Scan the Add Prefix or Add Suffix symbolData Editing Points to Keep In Mind Scan the Clear One Prefix or Clear One Suffix symbol To Clear One or All Prefixes or SuffixesScan Add Suffix To Add a Carriage Return Suffix to all Symbologies Prefix Selections Suffix Selections Hex Symbology Code Symbology ChartSymbology Code Hex Ascii Conversion Chart Code Dec Hex Char IT3800/3900 User’s Guide Intercharacter, Interfunction, and Intermessage Delays Intercharacter DelayFunction Code Transmit User Specified Intercharacter Delay Interfunction Delay Intermessage Delay Data Format Editor Introduction Scan the Enter Data Format symbol Primary/Alternate FormatData Formatting To Add a Data Format Data Format Editor Commands Other Programming Selections Move Commands Data Format Editor Data Formatter Alternate Data Formats IT3800/3900 User’s Guide Secondary Interface Secondary Code 39 Wand EmulationSecondary RS-232 Connection Secondary Non Decoded Output Laser Emulation Non Decoded Output Laser Emulation Transmission RateNon Decoded Output Laser Emulation Polarity Secondary Trigger Mode Non Decoded Laser Emulation IdleDisabling the Secondary Interface IT3800/3900 User’s Guide Symbologies All SymbologiesIntroduction Message Length Description Codabar Start/Stop Characters Check Character Concatenation Codabar Message LengthCodabar Code Code 39 Message Length Code 39 Append Base Full Ascii Interleaved 2 Check Digit Interleaved 2 of 5 Message Length Strict Decoding Code 93 Message Length Code 2 Iata Code 2Code 2 of 5 Message Length Matrix 2 Iata Code 2 of 5 Message Length Matrix 2 of 5 Message Length Check Digits Required Code 11 Message Length GS Substitution Telepen Code 128 Message Length Telepen Output Telepen Message Length Number System UPC a AddendaAddenda Required Addenda Separator UPC Strict Decoding UPC E0 and UPC E1 UPC E Expand UPC E Addenda Addenda Separator EAN/JAN EAN/JAN Isbn Enable Default All EAN/JAN 8 Settings Addenda Addenda Separator MSI MSI Message Length Plessey Plessey Message Length RSS-14 RSS Limited RSS Expanded RSS Expanded Message Length China Post Code China Post Message Length Off Minimum Message Length Maximum Message Length Scan Diagnostics Show GLI Blocks IT3800/3900 User’s Guide Minimum Message Length Maximum Message Length Eanucc Composite Symbology Enable UPC/EAN VersionEanucc Composite Eanucc Composite Code Message Length IT3800/3900 User’s Guide Procedure Cloning IT3800/3900 User’s Guide Visual Menu Temporary Visual Menu ConfigurationInstalling Visual Menu from the Web Visual Menu Introduction Upgrading USB Firmware Interface Keys Keyboard Function RelationshipsFunction Code HEX/ASCII Value Full Ascii Ctrl + Country Codes PS/2 Compatibles IBM XTs IBM, DDC, Memorex Interface Keys Supported Interface KeysIBM AT/XT Compatibles Telex, Harris Memorex Telex SYN PF1 ETB PF2 Can PF3 PF4 SUB PF5 ESC PF6 PF7 PF8 PF9 Esprit 200 Interface Keys Ansi Ascii Supported Interface Keys Apple Mac/iMac Show Software Revision To Add a Test Code I.D. Prefix to All SymbologiesUtilities Show Data Format Specular Effect Reduction Serial Programming Commands Menu Command SyntaxConventions Query Commands Concatenation of Multiple CommandsResponses Examples of Query Commands Trigger Commands Resetting the Factory Settings Menu Commands Setting Serial Selection Command WNDPAT0 Output Selections Prefix/Suffix Selections Data Formatter Selections Symbologies Selections CBRSSX0 I25STR0 Teldft UPAARQ0 UPAARQ1 E13ARQ0 Plsdft Mpddft Product Specifications IT3800 Product SpecificationsParameter Specification IT3900 Product Specifications Laser StandardCable Pinouts Compatible Pinouts Standard Cable WandEmulation Pinouts Primary Interface Cables Serial Output Standard Cable Standard Cable Pinouts USB IT3800/3900 User’s Guide Cleaning the Scanner’s Window MaintenanceMaintenance Inspecting Cords and Connectors Troubleshooting Replacing the Interface CableTo Replace the Interface Cable Is the scanner having trouble reading your symbols? IT3800/3900 User’s Guide Product Service and Repair Customer Support Online Technical Assistance Online Product Service and Repair AssistanceTechnical Assistance North America/Canada Limited Warranty IT3800/3900 User’s Guide Page Sample Symbols Matrix 2 Programming Chart Save Discard Hand Held Products, Inc