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Symbol LT 1806 Product Reference Manual

Symbol LT 1806 Product Reference Manual

Keyboard wedge/synapse
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  • Page 1 LT 1806 (Keyboard Wedge/Synapse) Product Reference Guide Click on red text at any location in the manual to jump to the specified chapter, topic, or reference. About This Manual Table of Contents Glossary Copyright Feedback Index 70-32538-01 Revision A October 1997...
  • Page 2 Symbol reserves the right to make changes to any product to improve reliability, function, or design. Symbol does not assume any product liability arising out of, or in connection with, the application or use of any product, circuit, or application described herein.

  • Page 3: Table Of Contents

    Symbol Support Center........
  • Page 4 Beeper Volume ............. . . 4-8 Trigger Mode (for triggered models only) .

  • Page 5: About This Manual

    About This Manual The LT 1806 Product Reference Guide provides general instructions for setup, operation, troubleshooting, maintenance, and programming. Notational Conventions The following conventions are used in this document: Bullets (•) indicate: • - action items - lists of alternatives - lists of required steps that are not necessarily sequential Sequential lists (e.g., those that describe step-by-step procedures) appear...

  • Page 6: Symbol Support Center

    In the U.S.A, for service information, warranty information or technical assis- tance, call: SYMBOL SUPPORT CENTER 1-800-653-5350 If you purchased your Symbol product from a Symbol Business Partner, con- tact that Business Partner for service. Canada Mississauga, Ontario Canadian Headquarters...

  • Page 7: Chapter 1. Setting Up The Lt 1806

    The LT 1806 hand-held scanner is based on the Visible Laser Diode (VLD) as a light source. Combined with our surface mount technology and patented resonating harmonic scan element, this state-of-the-art scanner provides solid state dependability.

  • Page 8: Set Up

    Unpacking Remove the LT 1806 from its packing and inspect it for damage. If the scanner was damaged in transit, call the Symbol Support Center at one of the telephone...
  • Page 9 LT 1806 Product Reference Guide: Setting Up the LT 1806 Power Supply (As Required) Host Connector Keyboard Connector Modular Connector LT 1806 Figure 1-1. Keyboard Wedge Configuration with “Y” Cable...

  • Page 10: Synapse Configuration

    LT 1806 Product Reference Guide: Setting Up the LT 1806 Synapse Configuration See the Synapse Interface Guide provided with your Synapse cable for setup instructions. Power Supply (As Required) Host Synapse “Smart Cable” LT 1806 Synapse Adapter Cable Figure 1-2. Synapse Configuration...

  • Page 11: Chapter 2. Scanning With The Lt 1806

    Make sure the scanner is connected to the controller or portable data • terminal before you turn on the system. Make sure the symbol you want to scan is within the LT 1806 scanning • range. (See LT 1806 Decode Zone on page 2-2.)

  • Page 12: Lt 1806 Decode Zone

    LT 1806 Product Reference Guide: Scanning with the LT 1806 LT 1806 Decode Zone 3 in 7.62 cm 2.5 in 6.35 cm 2 in 5.08 cm 1.5 in 3.81 cm 1 in 2.54 cm .5 in 1.27 cm 0 in 0 cm .5 in...

  • Page 13: Chapter 3. Maintenance And Specifications

    Chapter 3 Maintenance and Specifications Maintenance Cleaning the exit window is the only maintenance required. A dirty window may affect scanning accuracy. Do not allow any abrasive material to touch the window. • Remove any dirt particles with a damp cloth. •...

  • Page 14: What If

    LT 1806 Product Reference Guide: Maintenance and Specifications What If... Nothing happens when you follow the operating instructions. You Should Check the system power. • Make sure the scanner is programmed for the terminal in use. • Make sure the controller is programmed to decode bar codes of the •...

  • Page 15: Accessories

    IBM PC AT/XT and PC Clones 25-31828-01 KT-32903-01 *These PS/2 systems may require an external power supply if multiple peripheral devices or expansion cards are installed. The system needs to supply a minimum of 160 mA for proper LT 1806 operation.

  • Page 16: Optional Accessories

    LT 1806 Product Reference Guide: Maintenance and Specifications Synapse Adapter Cables Hosts using Synapse cables require one of the following Adapter Cables: Part Number Description 25-31617-01 6-foot Straight Cable Optional Accessories Part Number Description 20-12769-01 Hands-Free Stand - Desk Mount (non-adjustable)

  • Page 17: Technical Specifications

    5 VDC ±10%; 120 mA average current (160 mA peak) Decode Capability The LT 1806 can be programmed to decode the following code types: UPC/EAN, Code 39, Code 39 Full ASCII, Codabar, Interleaved 2 of 5, Code 128, UCC/EAN 128, Discrete 2 of 5, and Code 93.

  • Page 18: Lt 1806 Dimensions

    LT 1806 Product Reference Guide: Maintenance and Specifications LT 1806 Dimensions Nose Width: 2.8 in (7.1 cm) Table Height: 2.4 in (6.1 cm) Handle Width: 2.0 in (5.1 cm) Height: 1.8 in (4.6 cm) Figure 3-1. LT 1806 Dimensions...

  • Page 19: Chapter 4. Programming The Lt 1806

    Up the LT 1806. If the default values suit your requirements, scan the SET DEFAULT bar code. An LT 1806 is programmed for parameters other than default values by scanning sequences of bar codes. Chapter 5: Parameter Menus contain all the bar codes necessary to program the scanner for each parameter selection.

  • Page 20: Errors While Scanning

    LT 1806 Product Reference Guide: Programming the LT 1806 To set the INTERCHARACTER DELAY parameter scan a two digit numeric entry. Note that single digit entries must have a leading zero. The INTERCHARACTER DELAY default is 00 ms; in this example you want to set it to 2 ms.

  • Page 21: Scanning Sequence Flowchart

    LT 1806 Product Reference Guide: Programming the LT 1806 Scanning Sequence Flowchart Re-Select START Re-Select Incorrect parameter type CANCEL SELECT AND SCAN PARAMETER TYPE GOOD Re-Select No Good SELECT AND SCAN No Good (PARAMETER VALUE) BACKSPACE CANCEL GOOD SCAN ENTER (Parameter is Set) Figure 4-1.

  • Page 22: Parameter Descriptions

    Parameter Selections. Keyboard Type Select the type of keyboard to be used with the LT 1806. Even if default setting for all parameters is selected, a keyboard type must be selected, or the unit will not operate. Selecting a keyboard type automatically returns prefix and suffix settings to their default values.

  • Page 23: Code Types

    LT 1806 Product Reference Guide: Programming the LT 1806 When enabled, the unit: Emulates all national keyboards (the user does not have to select a • NATIONAL KEYBOARD option.) Emulates all characters, regardless of the status of the CAPS LOCK key.

  • Page 24: Decode Options

    If enabled, decoded UPC-E or UPC-A symbols are transmitted with check digit. Decode UPC Only (Not EAN) If enabled, this option limits LT 1806 UPC/EAN decode capability to UPC versions only. It disables EAN decode capability. Convert UPC-E to UPC-A If enabled, this parameter converts UPC-E (zero suppressed) decoded data to UPC-A format before transmission.
  • Page 25 K = UCC/EAN128. Transmit “No Decode” Character This feature gives you the option to transmit “NR” when a symbol does not decode. Prefixes and suffixes enabled are appended around this character. Note: This option is available in Triggered Mode only.

  • Page 26: Beeper Volume

    LT 1806 Product Reference Guide: Programming the LT 1806 Beep After Good Decode If enabled, the unit beeper sounds during normal scanning. Usually it is desirable to operate the unit with the beeper enabled. In all cases, the beeper operates during parameter menu scanning and indicates error conditions. See Beeper Definitions on page...

  • Page 27: Intercharacter Delay

    • no preamble • The system character is the digit printed to the extreme left of a UPC symbol. The country code for UPC is always zero, and it cannot be transmitted without the system character. Scan and Store (Code 39 Buffering) When you select the scan and store option, all Code 39 symbols having a leading space as a first character are temporarily buffered in the unit to be...
  • Page 28 LT 1806 Product Reference Guide: Programming the LT 1806 Decode of a valid Code 39 symbol with no leading space causes transmission in sequence of all buffered data in a first-in first-out format, plus transmission of the “triggering” symbol. See Code 39 Buffering (Scan and Store) on page 4-26 for further details.

  • Page 29: Standard Defaults

    LT 1806 Product Reference Guide: Programming the LT 1806 Standard Defaults Table 4-1. Parameter Selections PARAMETER SELECTIONS AVAILABLE DEFAULT Keyboard Type See list on page 5-2. None National Type See list on page 4-4. U.S. English Numeric Keypad Enable, Disable...
  • Page 30 LT 1806 Product Reference Guide: Programming the LT 1806 Table 4-1. Parameter Selections (Continued) PARAMETER SELECTIONS AVAILABLE DEFAULT Xmit “No Decode” Enable, Disable Disable Character UPC/EAN No Supplemental, Supplemental Only, No Supplemental Supplementals Autodiscriminate Beep After Good Decode Enable, Disable...
  • Page 31 LT 1806 Product Reference Guide: Programming the LT 1806 Beeper Definitions Standard Use BEEPER SEQUENCE INDICATION 1 Beep - short high tone A symbol has been successfully decoded. 2 Beeps - long high tone Data transmission not successful. 3 Beeps - short high tone Power-up, or watchdog reset.

  • Page 32: Code 39 Full Ascii

    LT 1806 Product Reference Guide: Programming the LT 1806 Full ASCII Code 39 The LT 1806 can be programmed to interpret Code 39 in one of two ways: Code 39 Full ASCII and standard Code 39. The unit can not autodiscriminate between Code 39 and Code 39 Full ASCII.
  • Page 33 LT 1806 Product Reference Guide: Programming the LT 1806 Table 4-2. Encoded Full ASCII Code 39 Characters & Keyboard Output Keystroke ID NCR 7052 All Others* Keystroke ID NCR 7052 All Others* &U None None None ‘ None None None...
  • Page 34 LT 1806 Product Reference Guide: Programming the LT 1806 Prefixes and Suffixes Table 4-3 Table 4-4 to identify the prefix/suffix values assigned to the keys on your keyboard. Keyboard Identifier Maps beginning on page 4-24 help you locate non- printable keyboard characters and identify the prefix/suffix value assigned.
  • Page 35 LT 1806 Product Reference Guide: Programming the LT 1806 Table 4-3. Prefix/Suffix Keystroke Identifiers Keystroke ID NCR 7052 All Others* Keystroke ID NCR 7052 All Others* None None None ‘ None None None PGUP PGDN None None CTL G BKSPACE...
  • Page 36 LT 1806 Product Reference Guide: Programming the LT 1806 Table 4-4. Synapse ASCII Conversion Table Full ASCII Full ASCII ASCII Code 39 Keystroke ASCII Code 39 Keystroke Encode Char Encode Char Value Value 1000 CTRL 2 1024 CTRL X 1001...
  • Page 37 LT 1806 Product Reference Guide: Programming the LT 1806 Table 4-4. Synapse ASCII Conversion Table (Continued) Full ASCII Full ASCII ASCII Code 39 Keystroke ASCII Code 39 Keystroke Encode Char Encode Char Value Value 1048 1073 1049 1074 1050 1075...
  • Page 38 LT 1806 Product Reference Guide: Programming the LT 1806 Table 4-4. Synapse ASCII Conversion Table (Continued) Full ASCII Full ASCII ASCII Code 39 Keystroke ASCII Code 39 Keystroke Encode Char Encode Char Value Value 1098 1113 1099 1114 1100 1115...
  • Page 39 LT 1806 Product Reference Guide: Programming the LT 1806 Table 4-4. Synapse ASCII Conversion Table (Continued) ALT Keys Keystroke ALT Keys Keystroke ALT Keys Keystroke 2064 ALT 2 2075 ALT K 2086 ALT V 2065 ALT A 2076 ALT L...
  • Page 40 LT 1806 Product Reference Guide: Programming the LT 1806 Table 4-4. Synapse ASCII Conversion Table (Continued) PF Keys Keystroke PF Keys Keystroke PF Keys Keystroke 4001 PF 1 4009 PF 9 4017 PF 17 4002 PF 2 4010 PF 10...
  • Page 41 LT 1806 Product Reference Guide: Programming the LT 1806 Table 4-4. Synapse ASCII Conversion Table (Continued) Numeric Keystroke Numeric Keystroke Numeric Keystroke Keypad Keypad Keypad 6042 6049 6056 6043 6050 6057 6044 Undefined 6051 6058 Enter 6045 6062 6059 Num Lock...
  • Page 42 LT 1806 Product Reference Guide: Programming the LT 1806 Keyboard Identifier Maps IBM PC/XT TANDY HD 1200 ITT PC NCR PC4 ADDS PC I/II SPERRY PC COMPAQ DESKPRO LEADING EDGE PC PITNEY BOWES A2000 COLUMBIA PC HP VECTRA CS IBM PC/AT...
  • Page 43 LT 1806 Product Reference Guide: Programming the LT 1806 5001 5002 5011 1045 5013 5003 5004 5014 5015 5005 5006 1043 5016 5007 5008 5018 5017 5009 5010 7013 5019 1048 5012 1046 (1048 IF DOUBLE KEY) (7013 IF DOUBLE KEY)

  • Page 44: Buffer Data

    4-27) or clear the buffer. Buffer Data To buffer data, Code 39 buffering must be enabled, and a symbol must be read with a space immediately following the start pattern. Unless the symbol overflows the transmission buffer, the unit gives a hi/ •...

  • Page 45: Transmit Buffer

    No transmission of data occurs. • Attempt to Transmit an Empty Buffer If the symbol just read was the transmit buffer symbol and the Code 39 buffer is empty: A short lo/hi/lo beep signals that the buffer is empty. •...

  • Page 46: Parameter Menus

    Chapter 5 Parameter Menus Set Default To select the SET DEFAULT parameter, scan the SET DEFAULT bar code. Scanning this automatically reconfigures the value of each parameter to its default value shown in Standard Defaults on page 4-11. SET DEFAULT...
  • Page 47 Leading Edge PC NCR 7052 NCR PC4 NCR PC8 Pitney Bowes (A2000) Sperry PC Tandy HD 1200 Zenith 248 Caution Installing an LT 1806 to any PC or terminal other than those combinations defined above may damage your LT 1806 and/or terminal.

  • Page 48: Keyboard Type

    LT 1806 Product Reference Guide: Parameter Menus Keyboard Type 1. Scan the KEYBOARD TYPE bar code. 2. To select a keyboard, scan two bar codes corresponding to the keyboard identifier (See page 5-2). The first label scanned should signify the most significant digit.
  • Page 49 LT 1806 Product Reference Guide: Parameter Menus Keyboard Type (Continued)
  • Page 50 LT 1806 Product Reference Guide: Parameter Menus Keyboard Type (Continued) BACKSPACE - deletes the last bar code scanned. CANCEL - deletes the entire change and returns the user to the decode mode. ENTER - stores and enters the new change.
  • Page 51 LT 1806 Product Reference Guide: Parameter Menus National Type 1. Scan the NATIONAL TYPE bar code. 2. Scan a bar codes corresponding to the National Type identifier. 3. Scan ENTER. NATIONAL TYPE U.K. ENGLISH FRENCH GERMAN...
  • Page 52 LT 1806 Product Reference Guide: Parameter Menus National Type (Continued) SPANISH PORTUGUESE BRAZILIAN ITALIAN...
  • Page 53 LT 1806 Product Reference Guide: Parameter Menus National Type (Continued) DUTCH U.S. ENGLISH BACKSPACE - deletes the last bar code scanned. CANCEL - deletes the entire change and returns the user to the decode mode. ENTER - stores and enters the new change.

  • Page 54: Numeric Keypad Emulation

    LT 1806 Product Reference Guide: Parameter Menus Numeric Keypad Emulation To enable or disable this option: 1. Scan the NUMERIC KEYPAD EMULATION bar code. 2. Scan the ENABLE or DISABLE option bar code. 3. Scan ENTER. NUMERIC KEYPAD EMULATION ENABLE...
  • Page 55 LT 1806 Product Reference Guide: Parameter Menus Numeric Keypad Emulation (Continued) BACKSPACE - deletes the last bar code scanned. CANCEL - deletes the entire change and returns the user to the decode mode. ENTER - stores and enters the new change.

  • Page 56: Break Key Code Transmission

    LT 1806 Product Reference Guide: Parameter Menus Break Key Code Transmission To enable or disable this option: 1. Scan the BREAK KEY CODES bar code. 2. Scan the ENABLE or DISABLE option bar code. 3. Scan ENTER. BREAK KEY CODES...
  • Page 57 LT 1806 Product Reference Guide: Parameter Menus Break Key Code Transmission (Continued) BACKSPACE - deletes the last bar code scanned. CANCEL - deletes the entire change and returns the user to the decode mode. ENTER - stores and enters the new change.

  • Page 58: Code Types

    LT 1806 Product Reference Guide: Parameter Menus Code Types These two options either add or delete a code type. To add a code: 1. Scan the ENABLE bar code. 2. Scan the bar code corresponding to the code type to be added.
  • Page 59 LT 1806 Product Reference Guide: Parameter Menus Code Types (Continued) CODE 93 CODE 128 UCC/EAN 128 INTERLEAVED 2 OF 5 DISCRETE 2 OF 5 5-14...
  • Page 60 LT 1806 Product Reference Guide: Parameter Menus Code Types (Continued) UPC/EAN CODABAR ALL CODES BACKSPACE - deletes the last bar code scanned. CANCEL - deletes the entire change and returns the user to the decode mode. ENTER - stores and enters the new change.
  • Page 61 LT 1806 Product Reference Guide: Parameter Menus Fixed Lengths For Code 2 of 5 To set the fixed length for a Code 2 of 5: 1. Scan the LENGTH bar code for the code type and length to be changed.

  • Page 62: Fixed Lengths For Code 2 Of 5

    LT 1806 Product Reference Guide: Parameter Menus Fixed Lengths For Code 2 of 5 (Continued) 5-17...
  • Page 63 LT 1806 Product Reference Guide: Parameter Menus Fixed Lengths For Code 2 of 5 (Continued) 5-18...
  • Page 64 LT 1806 Product Reference Guide: Parameter Menus Fixed Lengths For Code 2 of 5 (Continued) BACKSPACE - deletes the last bar code scanned. CANCEL - deletes the entire change and returns the user to the decode mode. ENTER - stores and enters the new change.

  • Page 65: Decode Options

    LT 1806 Product Reference Guide: Parameter Menus Decode Options To select one of the decode options: 1. Scan the bar code representing the desired decode option. 2. Scan the ENABLE or DISABLE bar code. 3. Scan ENTER. TRANSMIT UPC-E CHECK DIGIT...
  • Page 66 LT 1806 Product Reference Guide: Parameter Menus Decode Options (Continued) CONVERT I 2 OF 5 TO EAN-13 EAN ZERO EXTEND TRANSMIT CODE IDENTIFIER TRANSMIT “NR” (NO DECODE CHARACTER) CLSI EDITING NOTIS EDITING 5-21...
  • Page 67 LT 1806 Product Reference Guide: Parameter Menus Decode Options (Continued) ENABLE DISABLE BACKSPACE - deletes the last bar code scanned. CANCEL - deletes the entire change and returns the user to the decode mode. ENTER - stores and enters the new change.
  • Page 68 LT 1806 Product Reference Guide: Parameter Menus UPC/EAN Supplementals Option To select a UPC/EAN supplementals option: 1. Scan the UPC/EAN SUPPLEMENTALS bar code. 2. Scan the appropriate option. 3. Scan ENTER. UPC/EAN SUPPLEMENTALS NO SUPPLEMENTALS DECODE SUPPLEMENTALS AUTODISCRIMINATE 5-23...
  • Page 69 LT 1806 Product Reference Guide: Parameter Menus UPC/EAN Supplementals Option (Continued) BACKSPACE - deletes the last bar code scanned. CANCEL - deletes the entire change and returns the user to the decode mode. ENTER - stores and enters the new change.

  • Page 70: Beep After Good Decode

    LT 1806 Product Reference Guide: Parameter Menus Beep After Good Decode To enable or disable this option: 1. Scan the BEEP AFTER GOOD DECODE bar code. 2. Scan the ENABLE or DISABLE option bar code. 3. Scan ENTER. BEEP AFTER GOOD DECODE...

  • Page 71: Beep After Good Decode

    LT 1806 Product Reference Guide: Parameter Menus Beep After Good Decode (Continued) BACKSPACE - deletes the last bar code scanned. CANCEL - deletes the entire change and returns the user to the decode mode. ENTER - stores and enters the new change.

  • Page 72: Beeper Volume

    LT 1806 Product Reference Guide: Parameter Menus Beeper Volume To set the volume of the beeper: 1. Scan the BEEPER VOLUME bar code. 2. Scan either the FULL VOLUME or LOW VOLUME bar code. 3. Scan ENTER. BEEPER VOLUME FULL VOLUME...
  • Page 73 LT 1806 Product Reference Guide: Parameter Menus Beeper Volume (Continued) BACKSPACE - deletes the last bar code scanned. CANCEL - deletes the entire change and returns the user to the decode mode. ENTER - stores and enters the new change.

  • Page 74: Trigger Mode (For Triggered Models Only)

    LT 1806 Product Reference Guide: Parameter Menus Trigger Mode (for triggered models only) To select a trigger mode: 1. Scan the TRIGGER MODE bar code. 2. Scan either the TRIGGERLESS or TRIGGERED bar code. 3. Scan ENTER. TRIGGER MODE TRIGGERLESS...
  • Page 75 LT 1806 Product Reference Guide: Parameter Menus Trigger Mode (Continued) BACKSPACE - deletes the last bar code scanned. CANCEL - deletes the entire change and returns the user to the decode mode. ENTER - stores and enters the new change.

  • Page 76: Decode Redundancy

    LT 1806 Product Reference Guide: Parameter Menus Decode Redundancy To set the decode redundancy level: 1. Scan the DECODE REDUNDANCY bar code. 2. Scan either LEVEL 0, LEVEL 1 or LEVEL 2. 3. Scan ENTER. DECODE REDUNDANCY LEVEL 0 LEVEL 1...
  • Page 77 LT 1806 Product Reference Guide: Parameter Menus Decode Redundancy (Continued) BACKSPACE - deletes the last bar code scanned. CANCEL - deletes the entire change and returns the user to the decode mode. ENTER - stores and enters the new change.

  • Page 78: Scan Data Transmission Format

    LT 1806 Product Reference Guide: Parameter Menus Scan Data Transmission Format To select a scan data transmission format: 1. Scan the SCAN DATA OPTIONS bar code. 2. Scan the bar code corresponding to the desired converted data format. 3. Scan ENTER.
  • Page 79 LT 1806 Product Reference Guide: Parameter Menus Scan Data Transmission Format (Continued) OPTION 2: <PREFIX> <SCAN DATA> <SUFFIX> OPTION 3: <PREFIX> <SCAN DATA> BACKSPACE - deletes the last bar code scanned. CANCEL - deletes the entire change and returns the user to the decode mode.

  • Page 80: Prefix/Suffix (On-Board Hosts)

    LT 1806 Product Reference Guide: Parameter Menus Prefix/Suffix (On-board hosts) To enter a prefix or suffix in an on-board host configuration: 1. Scan the PREFIX or SUFFIX bar code. 2. Scan three bar codes from the following pages in the range of 000-127. See Table 4-3 on page 4-17 Keyboard Identifier Maps on page...
  • Page 81 LT 1806 Product Reference Guide: Parameter Menus Prefix/Suffix (On-board hosts) (Continued) 5-36...
  • Page 82 LT 1806 Product Reference Guide: Parameter Menus Prefix/Suffix (On-board hosts) (Continued) 5-37...
  • Page 83 LT 1806 Product Reference Guide: Parameter Menus Prefix/Suffix (On-board hosts) (Continued) BACKSPACE - deletes the last bar code scanned. CANCEL - deletes the entire change and returns the user to the decode mode. ENTER - stores and enters the new change.

  • Page 84: Prefix/Suffix (Synapse)

    LT 1806 Product Reference Guide: Parameter Menus Prefix/Suffix (Synapse) To append a prefix or suffix to scan data in a Synapse configuration: 1. Scan the PREFIX or SUFFIX bar code below. 2. Scan four numeric bar codes from the following pages representing the desired terminal’s key code.
  • Page 85 LT 1806 Product Reference Guide: Parameter Menus Prefix/Suffix (Synapse) (Continued) 5-40...
  • Page 86 LT 1806 Product Reference Guide: Parameter Menus Prefix/Suffix (Synapse) (Continued) CANCEL 5-41...

  • Page 87: Communications Delays And Timeouts

    LT 1806 Product Reference Guide: Parameter Menus Communications Delays and Timeouts To enter a new delay or timeout value: 1. Scan the INTERCHARACTER DELAY bar code. 2. Enter the new value by scanning two bar codes. The first bar code scanned corresponds to the most significant digit;...
  • Page 88 LT 1806 Product Reference Guide: Parameter Menus Communications Delays and Timeouts (Continued) 5-43...
  • Page 89 LT 1806 Product Reference Guide: Parameter Menus Communications Delays and Timeouts (Continued) BACKSPACE - deletes the last bar code scanned. CANCEL - deletes the entire change and returns the user to the decode mode. ENTER - stores and enters the new change.

  • Page 90: Prefix/Suffix Transmit Delay

    LT 1806 Product Reference Guide: Parameter Menus Prefix/Suffix Transmit Delay To select a prefix/suffix transmit delay: 1. Scan the PREFIX/SUFFIX TRANSMIT DELAY bar code. 2. Enter the new value by scanning two bar codes in sequence. The first one corresponds to the most significant digit.
  • Page 91 LT 1806 Product Reference Guide: Parameter Menus Prefix/Suffix Transmit Delay (Continued) 5-46...
  • Page 92 LT 1806 Product Reference Guide: Parameter Menus Prefix/Suffix Transmit Delay (Continued) BACKSPACE - deletes the last bar code scanned. CANCEL - deletes the entire change and returns the user to the decode mode. ENTER - stores and enters the new change.

  • Page 93: Upc-E/Upc-A Preamble

    LT 1806 Product Reference Guide: Parameter Menus UPC-E/UPC-A Preamble To select one of the preamble options: 1. Scan either the UPC-E PREAMBLE or UPC-A PREAMBLE bar code. 2. Scan the bar code corresponding to the desired option. 3. Scan ENTER.
  • Page 94 LT 1806 Product Reference Guide: Parameter Menus UPC-E/UPC-A Preamble (Continued) SYSTEM CHARACTER SYSTEM CHARACTER AND COUNTRY CODE BACKSPACE - deletes the last bar code scanned. CANCEL - deletes the entire change and returns the user to the decode mode. ENTER - stores and enters the new change.

  • Page 95: Code 39 Scan And Store

    LT 1806 Product Reference Guide: Parameter Menus Code 39 Scan and Store To select a scan and store option: 1. Scan the SCAN AND STORE bar code. 2. Scan the ENABLE or DISABLE bar code to enable or disable the option.
  • Page 96 LT 1806 Product Reference Guide: Parameter Menus Code 39 Scan and Store (Continued) BACKSPACE - deletes the last bar code scanned. CANCEL - deletes the entire change and returns the user to the decode mode. ENTER - stores and enters the new change.

  • Page 97: Glossary

    Bar Height The dimension of a bar measured perpendicular to the bar width. Bar Width Thickness of a bar measured from the edge closest to the symbol start character to the trailing edge of the same bar. Baud Rate A measure of the data flow or number of signaling events occurring per second.
  • Page 98 Continuous Code A bar code or symbol in which all spaces within the symbol are parts of characters. There are no intercharacter gaps in a continuous code. The absence of gaps allows for greater information density.
  • Page 99 The range between minimum and maximum distances at which a Depth of Field scanner can read a symbol with a certain minimum element width. Discrete Code A bar code or symbol in which the spaces between characters (intercharacter gaps) are not part of the code.
  • Page 100 The exact (or ideal) intended value for a specified parameter. Tolerances are specified as positive and negative deviations from this value. Standard size for a bar code symbol. Most UPC/EAN codes can be Nominal Size used over a range of magnifications (e.g., from 0.80 to 2.00 of nominal).
  • Page 101 A minimum PCS value is needed for a bar code symbol to be scannable. PCS = (RL - RD) / RL, where RL is the reflectance factor of the background and RD the reflectance factor of the dark bars.
  • Page 102 A scannable unit that encodes data within the conventions of a certain symbology, usually including start/stop characters, quiet zones, data characters, and check characters. Symbol Aspect Ratio The ratio of symbol height to symbol width. Symbol Height The distance between the outside edges of the quiet zones of the first row and the last row.

  • Page 103: Index

    Index accessories ......3-3 decode options..... . 4-6 adapter.
  • Page 104 ....5-27 Symbol Support Center ....ii break key code transmission ..5-11 symbologies .

  • Page 105: Tell Us What You Think

    We’d like to know what you think about this Manual. Please take a moment to fill out this questionaire and fax this form to: (516) 738-3318, or mail to: Symbol Technologies, Inc. One Symbol Plaza M/S B-4 Holtsville, NY 11742-1300 Attn: Technical Publications Manager IMPORTANT: If you need product support, please call the appropriate customer support number provided.

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