JANUS? 2020 Hand-Held Computer (4MB) - Intermec

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NF BC Reader Specifications A RAM Drive Part of extended memory is configured as a RAM drive (drive E) on the 4MB JANUS device. The default CONFIG.SYS file loads HIMEM.SYS and uses the SRAMDISK.SYS device driver to create the RAM drive. You can use the RAM drive to store files just like a disk drive on your PC. File access is usually faster on a RAM drive than a physical disk drive. Unlike a PC, the JANUS device saves any files on the RAM drive during a warm boot. However, the JANUS device clears any files on the RAM drive on a cold boot. The RAM drive uses 256K of extended memory. If you are not using a PC card, Intermec recommends that you use the RAM drive for data files that you save or update frequently. The RAM drive is not as secure as a PC card since the drive is erased when you cold boot the JANUS device (unless you press during memory test). Extended Memory The JANUS device is initially configured with 2.75MB of extended memory available, which is allocated for use by Intermec applications (IC.EXE and IRL). To remove the RAM drive and use the available extended memory, you need to change or delete the SRAMDISK statement in the CONFIG.SYS file. You can also use extended memory for overlay memory. The JANUS device provides extended memory for control and access to RAM above 1MB. The extended memory conforms to XMS specification 2.0. The HIMEM.SYS driver initializes and manages extended memory. HIMEM.SYS looks at all the memory in the system and takes control of everything above 1024K. You must load all drivers in extended memory through the HIMEM.SYS interface. If a driver is not compatible with HIMEM.SYS, you cannot load it in high memory. Some applications may require you to exclude memory from HIMEM.SYS management, leaving some extended memory available. If this is necessary, you should reconfigure the RAM drive (E) to use the available extended memory. DOS drivers must check in with HIMEM.SYS for their memory assignments within the XMS managed by HIMEM.SYS. Currently, the RAM drive uses the XMS interface through HIMEM.SYS. Expanded Memory When you install more than 1MB of memory on a PC, it can be used as expanded memory and is a way for the system to access memory beyond the 1MB barrier. To use expanded memory on a PC, you need an expanded memory board and an expanded memory manager. Expanded memory is not available on 4MB JANUS devices. A-17
JANUS 2020 Hand-Held Computer User’s Manual (4MB) NF BC A-18 High Memory Area (HMA) The high memory area (HMA) is a 64K block of memory, starting 16 bytes below the 1024K mark, and is the first 64K of extended memory. Since HMA can only hold one item, the first program that requests HMA uses it, regardless of the size of the program. The DOS=HIGH statement in CONFIG.SYS loads MS-DOS into high memory. User Flash Memory User flash memory contains the 512K ROM drive C. It is mapped to 800000H. Drive C is similar to the hard drive C on your PC and contains the MS-DOS startup files, CONFIG.SYS, and AUTOEXEC.BAT. Since drive C is a ROM drive that resides in flash memory, you cannot write files to this drive as you would on your PC. You must use the Auto-Loader or MakeDisk and PutDisk to modify the startup files or change other files on drive C. Application Flash Memory Application flash memory is the 2MB ROM drive D. It is mapped to C00000H. DOS files and utilities are stored on drive D.
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User’s Manual JANUS 2020 Hand-He
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Intermec® Corporation 6001 36th Av
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JANUS 2020 Hand-Held Computer User
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Before You Begin NF BC Before You B
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About This Manual NF BC Before You
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NF BC Before You Begin Format Conve
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NF BC Before You Begin Format Conve
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1 Getting Started
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2 Learning How to Use the Reader
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JANUS 2020 Features Communications
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nugget nuggetTYTR TYTRLeaning How t
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* % F 5 nugget nuggetTYTR TYTRLeani
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To use the Compound Function key Pr
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Using the Large Numeric Keypad nugg
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4 nugget nuggetTYTR TYTRLeaning How
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f * nugget nuggetTYTR TYTRLeaning H
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Locating the Communications Ports n
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Defining the Reader’s Drives nugg
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Using the Laser Scanner nugget nugg
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NF BC 3 Learning About the Software
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NF BC Learning About the Software 3
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NF BC Learning About the Software W
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Defining the Startup Files NF BC Le
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AUTOEXEC.BAT (continued) Command Li
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MS-DOS Startup Menu The default JAN
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Summary of Methods for Changing the
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NF BC Learning About the Software Y
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NF BC Learning About the Software N
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Creating and Using a Physical RAM D
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NF BC Learning About the Software T
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Understanding the Bar Code Wedge NF
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NF BC Learning About the Software O
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NF BC 4 Using PC Cards in the Reade
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NF BC Using PC Cards in the Reader
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To remove a PC card NF BC Using PC
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The MCFORMAT main menu appears: NF
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To turn on the power to the PC card
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NF BC 5 Configuring the Reader
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NF BC Configuring the Reader 5 This
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About the Configuration Files NF BC
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How to Configure the Reader NF BC C
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NF BC Configuring the Reader 5 Sele
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To create two INI files with differ
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NF BC Configuring the Reader 5 The
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NF BC Configuring the Reader 5 Make
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NF BC Configuring the Reader 5 3. C
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Bar Code Symbologies Table (continu
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Communications Protocol Parameters
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Communications Protocol Parameters
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Operations Table (continued) NF BC
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Operations Table (continued) NF BC
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NF BC 6 Networking the Reader
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NF BC Networking the Reader 6 This
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JANUS Readers in a Radio Frequency
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NF BC Networking the Reader Port Ho
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Planning the Network Connection NF
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NF BC Networking the Reader 6 PC St
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NF BC Networking the Reader Configu
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PC Standard Protocol Parameters •
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NF BC Networking the Reader For exa
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NF BC Networking the Reader 6 Loadi
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NF BC Networking the Reader Method
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NF BC Networking the Reader 6 Conne
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Running Interlnk to Transfer Files
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NF BC Networking the Reader 6 Examp
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NF BC Networking the Reader Install
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NF BC Networking the Reader 3. At t
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NF BC Networking the Reader 6 3. Pr
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NF BC Networking the Reader 6 To us
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Type this command at the client’s
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NF BC Networking the Reader 6 When
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NF BC Networking the Reader Exiting
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NF BC Networking the Reader Downloa
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Example 2: Downloading an Executabl
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NF BC Networking the Reader 6 Prepa
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To make the reader the server NF BC
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FTA Command Descriptions and Syntax
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NF BC Networking the Reader 6 Editi
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NF BC 7 Working With IRL
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Learning About IRL NF BC Working Wi
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NF BC Working With IRL You can load
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The About menu contains these comma
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NF BC Working With IRL Running an I
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NF BC Working With IRL 7 You can al
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NF BC Working With IRL Specifying t
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NF BC Working With IRL 7 Including
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Resuming IRL Programs NF BC Working
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NF BC Working With IRL Freeing Enou
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NF BC 8 Preparing the Reader for In
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NF BC Preparing the Reader for Inte
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Using an International Keypad NF BC
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NF BC 9 Booting and Resetting the R
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NF BC Booting and Resetting the Rea
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Resetting the Reader NF BC Booting
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6. The Boot Loader menu appears. Bo
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To exit Storage mode NF BC Booting
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Loading Flash Memory NF BC Booting
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NF BC 10 Troubleshooting
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nugget nuggethelCODE39 CODE39Troubl
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Powering Up or Booting the Reader (
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Operating the Reader nugget nuggeth
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Operating the Reader (continued) Pr
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Operating the Reader (continued) Pr
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Other Boot Loader menu messages may
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Running IRL Programs nugget nuggeth
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Using PC Cards nugget nuggethelCODE
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Using PC Cards (continued) Problem
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Using DOS Commands and Applications
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Using MakeDisk nugget nuggethelCODE
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Using PutDisk nugget nuggethelCODE3
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Using PutDisk (continued) Message E
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Problems With the NiCad Battery Pac
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NF BC 11 Reader Command Reference
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11 NF BC Reader Command Reference T
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Backspace 11 NF BC Reader Command R
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Enter 11 NF BC Reader Command Refer
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IRL File, Clear 11 NF BC Reader Com
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IRL Program, Download 11 NF BC Read
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Laser On and Off 11 NF BC Reader Co
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Viewport Movement Viewport Down 11
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Viewport Right 11 NF BC Reader Comm
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Viewport Page Up 11 NF BC Reader Co
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NF BC 12 Configuration Command Refe
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12 NF BC Configuration Command Refe
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Configuration Commands Listed by Ca
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Address, Multi-Drop 12 NF BC Config
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Automatic Shutoff 12 NF BC Configur
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Baud Rate 12 NF BC Configuration Co
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Beep Duration (continued) Beep Freq
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Beep Volume 12 NF BC Configuration
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Codabar (continued) Code 11 12 NF B
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Code 2 of 5 12 NF BC Configuration
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Code 39 12 NF BC Configuration Comm
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Code 39 (continued) 12 NF BC Config
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Command Processing 12 NF BC Configu
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Command Processing (continued) 12 N
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Disabling or Enabling Command Overr
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Communications Dock Port 12 NF BC C
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Communications Port, UART Restore 1
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Communications Protocol (continued)
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Activate 12 NF BC Configuration Com
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Data Bits 12 NF BC Configuration Co
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Display Backlight Timeout (continue
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Display Mode, IRL 12 NF BC Configur
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Display Setup (continued) Scan: One
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Display Setup (continued) 8 x 20 (l
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EOM (End of Message) 12 NF BC Confi
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EOR (End of Record) 12 NF BC Config
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Intercharacter Delay 12 NF BC Confi
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Interleaved 2 of 5 (continued) Enab
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IRL End Program Block 12 NF BC Conf
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IRL PAK (Program Acknowledge) 12 NF
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IRL Run 12 NF BC Configuration Comm
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Key Code Look-Up Table 12 NF BC Con
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Page 424 and 425: POL Purpose: Solicits or requests d
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Page 430 and 431: RES (Reset) Purpose: Enables or dis
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Page 444 and 445: UPC/EAN (continued) Scan: To disabl
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Page 448 and 449: Viewport Movement Steps (continued)
Page 450 and 451: NF BC A Reader Specifications
Page 452 and 453: NF BC Reader Specifications This ap
Page 454 and 455: Data Communications NF BC Reader Sp
Page 456 and 457: Default Configuration NF BC Reader
Page 458 and 459: Operations Parameter Default Automa
Page 460 and 461: Configuration Commands by Syntax NF
Page 462 and 463: Configuration Commands by Syntax (c
Page 464 and 465: Types of Memory Used in the Reader
Page 468: B Reader Keypad Charts
Page 471 and 472: JANUS 2020 Hand-Held Computer User
Page 481 and 482: NF BC
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Glossary G Accumulate mode Operatin
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Glossary G bar code density Number
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Glossary G Code 11 A very high dens
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Glossary G configuration command A
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Glossary G edge triggering A scanne
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Glossary G Graphics mode One of two
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Glossary G IRL Desktop The IRL oper
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Glossary G Multi-Drop address The a
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Glossary G PC Standard communicatio
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Glossary G reader command A reader
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Glossary G serial communications Wi
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Glossary G UPC/EAN Code A fixed len
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I Index
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