Symbol VRC 6940 - Manuals - manualsarea.com

Page 2 - Product Reference Guide; Revision B

VRC 6940 Product Reference Guide 72-37641-02 Revision B June 2001

Page 3 - ii

ii  2001 by Symbol Technologies, Inc. All rights reserved. No part of this publication may be reproduced or used in any form, or by any electrical or mechanical means, without permission in writing from Symbol. This includes electronic or mechanical means, such as photocopying, recording, or inform...

Page 4 - iii; Contents; About This Manual

iii Contents About This Manual Notational Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viiRelated Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 5 - iv; Chapter 4. Installing Software

iv VRC 6940 Product Reference Guide Chapter 4. Installing Software Equipment Required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1Transferring and Installing Application Programs . . . . . . . . . . . . . . . . . . . . . ...

Page 6 - Chapter 7. Maintenance

v Contents Chapter 7. Maintenance Maintaining the Internal Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1Storing the Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 7 - Appendix C. Keyboard Layouts

vi VRC 6940 Product Reference Guide Appendix C. Keyboard Layouts Keyboard Character & Character Combination Illustrations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-4 Appendix D. Environmental and Technical Specifications Specifications . . . . . . . . . . . . . . . . . . . . ....

Page 8 - vii; Notational Conventions; ENTER; Italics

vii About This Manual This Product Reference Guide describes the VRC 6940 terminal. Topics include: hardware installation, software configuration, operation, troubleshooting, and maintenance. Notational Conventions This document uses the following conventions: ! “Operator” or “User” refers to anyone...

Page 9 - viii; Related Publications

viii VRC 6940 Product Reference Guide Related Publications ! VRC 6900 Series Quick Reference Guidep/n 72-37640-XX ! Series 3000 Application Programmer's Guidep/n 70-16308-XX ! Series 3000 Application Programmer’s Reference Manualp/n 70-16309-XX ! Series 3000 System Software Manualp/n 70-16310-XX ! S...

Page 10 - ix; Symbol Support Center

ix About This Manual Symbol Support Center For service information, warranty information or technical assistance contact or call the Symbol Support Center in: United States 1 Symbol Technologies, Inc.One Symbol PlazaHoltsville, New York 11742-13001-800-653-5350 Canada Symbol Technologies Canada, Inc...

Page 12 - Chapter 1 Getting Started; Purpose of This Manual; VRC

1-1 Chapter 1 Getting Started VRC 6940 terminals are rugged mobile computer terminals that communicate by radio with a host computer on Spectrum24 ® networks. End-users view network applications and data on the terminal’s 8-line screen, and use its keyboard or an attached scanner to enter and transm...

Page 13 - Parts of a VRC 6940 Terminal; Standard Par ts; A standard VRC 6940 terminal includes these standard parts:; Front

1-2 VRC 6940 Product Reference Guide Parts of a VRC 6940 Terminal Standard Par ts A standard VRC 6940 terminal includes these standard parts: ! Terminal with attached vehicle-mount bracket ! Bracket knobs (2) ! External DC power cable ! Internal PCMCIA radio card for use with a Symbol Spectrum24 net...

Page 14 - Options and Accessories; Options

1-3 Getting Started Options and Accessories Options You can also order the VRC 6940 with these options: ! Keyboard backlight ! Internal heating device Accessories You can order these VRC 6940 accessories separately from Symbol: ! Scanner cable ! RS-232 cable ! Primary antenna ! Vehicle-mounted anten...

Page 15 - Printers; The VRC 6940 terminal can use these Symbol printer models:; Table 1-1. VRC 6940 Installation and Configuration Tasks

1-4 VRC 6940 Product Reference Guide Printers The VRC 6940 terminal can use these Symbol printer models: Before You Use the Terminal... ! PS 1000 ! PS 200 Table 1-1. VRC 6940 Installation and Configuration Tasks Task Where to Find the Instructions Install the hardware in a vehicle or forklift, or on...

Page 16 - Chapter 2 Installing Hardware; Caution; Equipment Required; Wall or Workbench Mounted VRC 6940; minimum of two 3/8” bolts with self-locking nylon nuts

2-1 Chapter 2 Installing Hardware This chapter describes how to install a VRC 6940 terminal into a vehicle or onto a wall or workbench. Please read all of these instructions before you begin. Caution A properly trained technician must perform the installation. Improper installation can damage your v...

Page 17 - Hardware Installation; Figure

2-2 VRC 6940 Product Reference Guide ! a drill with a 7/16” drill bit ! 7/16” hex wrench ! primary or external antenna (optional) Hardware Installation The physical requirements of the work area affect where you place the terminal. There are different installation options, depending on where you pla...

Page 18 - Figure 2-1. Terminal Mounted on a Vehicle

2-3 Installing Hardware Figure 2-1. Terminal Mounted on a Vehicle Figure 2-2. Terminal Mounted on a Wall Figure 2-3. Terminal Mounted on a Workbench F1 F2 F3 F4 F5 BACK ON/OFF CTRL 9 A B C D E F G 7 8 6 H I J K L M N 4 5 CLEAR 3 O P Q R S T U 1 2 ENTER . V W X Y Z SHIFT FUNC - 0

Page 19 - shown in

2-4 VRC 6940 Product Reference Guide 4. Optional: attach a primary antenna to the connector at the top of the terminal, as shown in Figure 2-4 . To attach the antenna: a. Place the metal end of the antenna onto the connector. b. Line up the posts with the connector openings and press down gently. c....

Page 20 - Providing Power : Vehicle Installations; Figure 2-6. Preparing the External DC Power Cable

2-5 Installing Hardware Providing Power : Vehicle Installations VRC 6940 terminals can be powered by: ! 12V or 24V gas-powered vehicles ! battery-powered vehicles, up to 60 volts To provide power to a vehicle-installed VRC 6940: 1. Locate your vehicle’s power source. Always connect a VRC 6940 termin...

Page 21 - point for your vehicle’s power source.

2-6 VRC 6940 Product Reference Guide Figure 2-7. Adding an In-line Fuse Holder b. Route the External DC power cable from the terminal location to the connection point for your vehicle’s power source. See the Installation Note below. In-line fuse holder with 5A slow-blow fuse Twist-on nylon Wrapped w...

Page 22 - ARNING; Providing Power : Wall or Workbench Installations

2-7 Installing Hardware 3. Prepare the cable termination: Strip 3/8” of insulation from the two wire ends and terminate them with a connector that matches your vehicle’s requirements. See the Installation Note, right, for more information. a. Connect the red wire to the vehicle power source. Connect...

Page 23 - Installation and the Internal Batter y; You cannot use the internal battery to operate the terminal.

2-8 VRC 6940 Product Reference Guide Installation and the Internal Batter y A VRC 6940 terminal has an internal battery that powers the terminal if there is a temporary interruption, disconnection, or fluctuation in the main DC or AC power. We recommend that you save all data and close all applicati...

Page 24 - Chapter 3 Configuring Spectrum24; Spectrum24 Network; a reliable power source

3-1 Chapter 3 Configuring Spectrum24 Each VRC 6940 terminal has a Spectrum24 radio card that must be configured before the terminal can communicate with a Spectrum24 network. This chapter describes how to do this. For more information on Spectrum24 radio communications, see Spectrum24 Network Termin...

Page 25 - Configuring a Spectrum24 Radio Card

3-2 VRC 6940 Product Reference Guide Configuring a Spectrum24 Radio Card To configure a Spectrum24 radio card. 1. Provide a reliable power source. If you have not already done so, install the terminal hardware and provide a reliable power source as described in Chapter 2. If the terminal is mounted ...

Page 26 - Set Spectrum24 configuration; Table 3-1. Spectrum24 Configuration Options

3-3 Configuring Spectrum24 3. Set Spectrum24 configuration parameters. The CFG24 Configurator utility lets you set Spectrum24 parameters in a text file on the RAM disk ( D:\net.cfg ). It also saves the parameters in a buffer in flash memory on the radio card. The radio driver and TCP/IP stack get th...

Page 28 - SHIFT; This means the radio card is working correctly.

3-5 Configuring Spectrum24 4. When you finish setting Spectrum24 parameters, warm boot the terminal: a. Press the ON/OFF key to suspend the terminal. b. Press and hold the SHIFT and L keys. c. Press and release the ON/OFF button. d. Release the SHIFT and L keys. " The terminal reloads the system...

Page 30 - Chapter 4 Installing Software; Software Environment; a Host PC; Table 4-1. Software Required for Transferring Files

4-1 Chapter 4 Installing Software This chapter describes how to install application programs onto a terminal. VRC 6940 terminals have a number of drives available for storing user applications and data. For more information on available drive space, the software environment and a list of standard VR...

Page 31 - Transferring and Installing Application Programs; Application Programmer’s Reference Manual; Figure 4-1. Cabling for Downloading on Benchtop; Prepare the PC for Communications and File Downloading; To prepare the PC for communications:

4-2 VRC 6940 Product Reference Guide Transferring and Installing Application Programs This section describes how to transfer a HEX image from a Host PC onto a VRC 6940 terminal over a standard RS-232 null modem cable. The procedure uses the SENDHEX or WINHEX program on the Host PC and the Program Lo...

Page 32 - pgmname; Figure 4-2. Setting up Communications with SENDHEX; Do not press ENTER yet.

4-3 Installing Software parameters, and press ENTER. The example in Figure 4-2 shows a baud rate of 38400, and the COM2 option. For pgmname , type the name of the HEX file you are transferring, without the .hex extension. The default parameter values are: " 9600 bps " COM1 " 7 data bits ...

Page 33 - Provide a Reliable Power Source

4-4 VRC 6940 Product Reference Guide 2. Provide a Reliable Power Source If you have not already done so, install the terminal hardware and provide a reliable power source, as described in Chapter 2. If the terminal is mounted on a vehicle, it can remain mounted as long as the internal battery is ful...

Page 34 - UP; ENTER to; Figure 4-6. Setting Baud Rate on the VRC 6940

4-5 Installing Software 3. Press UP or DOWN arrows to scroll through Command Mode options until you see the Program Loader option. Then press ENTER to display the message shown in Figure 4-5 . Figure 4-5. Erasing NVM (EEPROM) 4. When you are ready to erase EEPROM, press ENTER. This message appears: ...

Page 35 - Figure 4-7. Setting Data Bits on the VRC 6940; Odd; Figure 4-8. Setting Parity on the VRC 6940; When all parameters are set, the screen displays this message:; to start the Program Loader.

4-6 VRC 6940 Product Reference Guide b. Data Bits: Select 7 . The screen will look like this: Figure 4-7. Setting Data Bits on the VRC 6940 c. Parity: Select Odd . The screen will look like this: Figure 4-8. Setting Parity on the VRC 6940 d. Flow Control: Select Xon/xoff . The screen will look like ...

Page 36 - Star t the File Transfer; Communications Status; Failed Transfers

4-7 Installing Software 4. Star t the File Transfer 1. On the Host PC, press ENTER to start the transfer. The Host PC displays this message: C:>\ Bytes sent = xxxx xx% If the Host PC is not ready or the cable is disconnected between the PC and the terminal, the PC displays this message: Awaiting ...

Page 37 - Successful File Transfer; Complete the Installation of Transferred Files; a. Press and hold the; and

4-8 VRC 6940 Product Reference Guide Successful File Transfer Following a successful file transfer, the files must be copied to the flash disk before you can use them. This happens the next time the terminal is re-initialized (cold booted). See 5. Complete the Installation of Transferred Files , nex...

Page 39 - Powering a Terminal On and Off; Powering On; Troubleshooting; Suspending or Turning Off the Terminal; Forcing the Terminal into Suspend; Installation and the Internal Battery

5-2 VRC 6940 Product Reference Guide Powering a Terminal On and Off A terminal must be connected to a main power supply ( e.g., a vehicle battery). If you remove this power supply, the terminal suspends and cannot be turned on again until you reconnect the power. An internal battery maintains data w...

Page 40 - Powering On or Off Automatically; Resetting a Terminal

5-3 Operating a VRC 6940 Powering On or Off Automatically Particular applications may cause a VRC 6940 to power on or off automatically. This can be controlled by application programming or default configuration settings. For example, some applications may cause the system to be powered on by: ! pre...

Page 41 - Key Descriptions; Keyboard Layouts

5-4 VRC 6940 Product Reference Guide Modifier Keys: SHIFT, FUNC and CTRL SHIFT , FUNC , and CTRL are modifier keys that generate a special character or function. For example, you might press FUNC, J to brighten the display. To do this: 1. Press and release the FUNC key. 2. Press and release the J. 3...

Page 42 - Tips for Using the Keyboard; Press only one key at a time,

5-5 Operating a VRC 6940 Table 5-1. Special Key Sequences Tips for Using the Keyboard " Press only one key at a time, unless instructions specifically tell you to press two keys at the same time ( e.g. , when resetting the terminal). Pressing two or more keys at the same time can cause an error....

Page 43 - Adjusting Brightness; Using the Keyboard; character

5-6 VRC 6940 Product Reference Guide Adjusting Brightness Entering Data To enter data or issue commands, use the terminal’s keyboard, or attach a scanner (see Figure 5-4 ). Using the Keyboard Use the VRC 6940 keyboard to enter data and perform other tasks. The keyboard includes character keys (A - Z...

Page 44 - Bar Code Scanning; Attaching an External Bar Code Scanner; key to suspend the terminal.; Using a Bar Code Scanner

5-7 Operating a VRC 6940 Bar Code Scanning Attaching an External Bar Code Scanner 1. Press the ON/OFF key to suspend the terminal. 2. Remove the plug cover from the scanner port on the back of the terminal, shown in Figure 5-4 . 3. Fit the scanner’s connector plug into the connector. Align the red d...

Page 45 - Moving a Terminal to a Different Power Source

5-8 VRC 6940 Product Reference Guide Moving a Terminal to a Different Power Source To move a VRC 6940 terminal from one power source to another: 1. Save any data you are working with, and close all applications. 2. Press the ON/OFF key to suspend the terminal. 3. Make sure a power source is ready in...

Page 46 - Chapter 6 Troubleshooting; troubleshooting and error messages; Troubleshooting a VRC 6940 Terminal; Table 6-1. Troubleshooting VRC 6940 Terminals

6-1 Chapter 6 Troubleshooting This chapter provides basic problem-solving information for VRC 6940 terminals, including: ! troubleshooting and error messages ! warm and cold boot instructions ! running the Memory Transfer utility to provide more troubleshooting data Troubleshooting a VRC 6940 Termin...

Page 48 - Error Messages; lists some

6-3 Troubleshooting Error Messages The terminals use ERR3000.SYS, a factory-installed program that displays error messages. Messages blink in place on the display screen for three seconds. The terminal beeps while the message is showing. Then the system returns to its previous status. Table 6-2 list...

Page 49 - Scanning Problems; Make Sure You are Within Range of an Access Point

6-4 VRC 6940 Product Reference Guide Scanning Problems Scanning may not work correctly if: ! the scanner has not been configured, or is configured incorrectly ! a contact wand scanner has been moved over the bar code too slowly, too quickly or at an uneven speed ! a contact wand scanner has been mov...

Page 50 - Restar t After Forcing a Suspend; do not use the; Warm Boot

6-5 Troubleshooting 3. Restar t After Forcing a Suspend If you have forced the terminal into suspend, do not use the ON/OFF key to restart the terminal , as this causes the program to resume where it left off, trying to perform the same unsuccessful operation. 1. First, try to start the terminal wit...

Page 51 - Cold Boot; including the RAM disk; Cold Boot Failure Messages

6-6 VRC 6940 Product Reference Guide Cold Boot A cold boot fully resets the system and clears memory, including the RAM disk . It resets the software and allows you to restart applications. Any unsaved RAM data will be lost. Programs and data that have been stored in memory or on the RAM Disk are de...

Page 52 - Command Mode; If Rebooting Fails; Installing

6-7 Troubleshooting Command Mode To boot to Command Mode: 1. Press the ON/OFF key to suspend the terminal. 2. Press and hold the A and D keys. 3. Press and release the ON/OFF key. 4. Release the A and D keys. This terminal displays this screen: Figure 6-1. Command Mode screen 5. Use the UP or DOWN a...

Page 53 - Series 3000 Application Programmer’s Guide; Transferring Memor y

6-8 VRC 6940 Product Reference Guide Memory Transfer Analyzer (MTA) Utility The VRC 6940 has a Memory Transfer Analyzer (MTA) utility for application troubleshooting. It runs from Command Mode. Programmers can analyze applications using RCVHEX.EXE on a PC and the MTA on the VRC 6940. For more inform...

Page 54 - Figure 6-2. Setting up to Receive a Memory Transfer

6-9 Troubleshooting Figure 6-2. Setting up to Receive a Memory Transfer 4. Boot the VRC 6940 to Command Mode: a. Press and hold the A and D keys. b. Press and release the ON/OFF key. c. Release the A and D keys. d. The terminal boots to the function selector screen in Command Mode, as shown in Figur...

Page 56 - prompt only appears if EMS is installed. Then press ENTER.; Figure 6-7. Selecting a Range of EMS to Transfer; If the values are not correct, press; to clear the fields, then select new values.; Figure 6-8. Verifying Memory Transfer Settings

6-11 Troubleshooting 10. If the VRC 6940 has EMS, use the arrow keys to specify the range to transfer. This prompt only appears if EMS is installed. Then press ENTER. Figure 6-7. Selecting a Range of EMS to Transfer 11. The terminal displays the ranges you selected. Verify that they are correct. Fig...

Page 57 - press; on the VRC 6940. While memory data is transferring, the VRC 6940; Figure 6-9. Memory Transfer Status Screen; to return to the Command Mode main menu.; Technical Support Contacts

6-12 VRC 6940 Product Reference Guide 13. Start the Memory Transfer. Make sure the Host PC is ready to receive data, and then press ENTER on the VRC 6940. While memory data is transferring, the VRC 6940 displays a report of the 1 KB range being transferred. The screen updates for every 1024 bytes (1...

Page 58 - Chapter 7 Maintenance; maintaining the internal battery; Maintaining the Internal Batter y; , while it is being moved from one

7-1 Chapter 7 Maintenance A VRC 6940 terminal requires minimal maintenance. However, as with any electronic device, proper use and care will increase its life. This chapter provides basic maintenance instructions including: ! maintaining the internal battery ! storing the terminal ! cleaning Maintai...

Page 59 - Storing the Terminal; Maintaining the; Cleaning; Washing the Terminal

7-2 VRC 6940 Product Reference Guide Storing the Terminal If you are storing the terminal, keep the internal battery charged by connecting the terminal to a main power supply with the terminal in suspend. If you store the terminal with no main power supply, the internal battery runs down. Before you...

Page 60 - Appendix A Utilities and Diagnostic Tests; VRC 6940 terminals include two sets of diagnostic applications:

A-1 Appendix A Utilities and Diagnostic Tests VRC 6940 terminals include two sets of diagnostic applications: ! Self Test diagnostics let you view current hardware settings and run basic diagnostic tests. See page A-2 for instructions on running the Self Tests. ! DIAG24 diagnostics that allow you to...

Page 62 - To end a Self Test and return to the Self Test menu, press; Command Mode function menu, press

A-3 Utilities and Diagnostic Tests 7. To end a Self Test and return to the Self Test menu, press CLEAR . To return to the Command Mode function menu, press CLEAR again. Table A-1. Self Test Summary Self Test What You Should See Comments Config Screen 1 Config Screen 1 Vers: 6940 1.10-00 Time: 09:45:...

Page 63 - Keyboard Test; The; Self Test lets you test any keys; and the; test name on the top line.

A-4 VRC 6940 Product Reference Guide Keyboard Test The Config Screen 1 Self Test lets you test any keys except CLEAR and the ON/OFF key. When you press a key, the program displays the corresponding key code to the right of the Config Screen 1 test name on the top line. Table A-2 shows the codes for ...

Page 64 - DIAG24 Diagnostics Utility; Field Diagnostics

A-5 Utilities and Diagnostic Tests DIAG24 Diagnostics Utility The DIAG24 Diagnostics utility lets you ping an Access Point (AP) on the network as a way to identify possible problems with wireless network communication. DIAG24 has two options, with the same series of set-up menus for both options. DI...

Page 65 - DIAG24 uses a message file (; MESSAGE SIZE

A-6 VRC 6940 Product Reference Guide Note: DIAG24 uses a message file ( msg.msg ) that it reads from the same drive and directory as the DIAG24 software. If you see corrupted screens, the message file may be missing. 4. Select a Roaming Mode. If you want the terminal to ping an AP, but roam between ...

Page 66 - Figure A-6. Selecting the Number of Pings; Figure A-7. Selecting the Number of Pings

A-7 Utilities and Diagnostic Tests 6. Press 1 , 2 , 3 or 4 to select the number of pings you want to perform: Figure A-6. Selecting the Number of Pings 7. Press 1 or 2 to determine whether or not errors will cause the terminal to beep: Figure A-7. Selecting the Number of Pings After you select the B...

Page 67 - Ping Test

A-8 VRC 6940 Product Reference Guide Ping Test During the AP Ping Test the terminal displays and updates this screen: Figure A-8. The AP Ping Test Table A-4 describes the field contents. The reports wrap so that the last five message reports are visible. If you selected non-stop mode during setup, a...

Page 68 - Figure A-9. Sample AP Ping Test Results Screen

A-9 Utilities and Diagnostic Tests When the test stops, the terminal displays a summary screen: Figure A-9. Sample AP Ping Test Results Screen The summary shows: ! the elapsed time of the test ! total pings transmitted ! packet size used ! retry count ! number of timeouts To repeat the test with the...

Page 69 - Field Diagnostic Test; Table A-5. Field Diagnostic Test Field Details

A-10 VRC 6940 Product Reference Guide Field Diagnostic Test During the Field Diagnostic Test the terminal displays and updates this screen: Figure A-10. The Field Diagnostic Test Table A-5 describes the field contents. The reports wrap so that the last five message reports are visible. If you select...

Page 70 - Figure A-11. The Field Diagnostic Test Results Screen

A-11 Utilities and Diagnostic Tests When the test stops, the terminal displays a summary screen: Figure A-11. The Field Diagnostic Test Results Screen The summary shows: ! the elapsed time of the test ! total pings transmitted ! packet size used ! retry count ! number of timeouts To repeat the test ...

Page 71 - CFG24 Configurator Utility; Star ting the Utility

A-12 VRC 6940 Product Reference Guide CFG24 Configurator Utility The CFG24 Spectrum24 Configurator utility lets you: ! configure radio communication parameters ! initialize a configuration stored in the NET.CFG file in the terminal’s current directory CFG24 updates NET.CFG settings every time it run...

Page 72 - The Configurator Menu; Figure A-12. The CFG24 Configurator Menu; View Config Parameters; to return to the Configurator menu.; Figure A-13. Viewing Configuration Parameters

A-13 Utilities and Diagnostic Tests The Configurator Menu The Configurator menu appears the first time you start the terminal, or if you launch the CFG24 program without parameters. Figure A-12 shows Configurator menu options. Note that some terminals do not allow you to change the Subnet Mask , Def...

Page 73 - ESS ID or Net ID; ESS ID

A-14 VRC 6940 Product Reference Guide ESS ID or Net ID An ESS or Net ID identifies a radio network and differentiates between radio networks. All equipment on one network must use the same ESS or Net ID. Spectrum24 terminals can support the Spectrum24 802.11 or Spectrum24 Spring protocols. The menu ...

Page 74 - Default Router; to return to the main menu.; SUBNET MASK

A-15 Utilities and Diagnostic Tests Figure A-15. Setting a Subnet Mask Default Router The Default Router address is the node address that receives all packets destined for remote networks. To configure the Default Router: 1. Select Default Router to display the screen shown in Figure A-16 . 2. Erase...

Page 75 - Terminal IP Address; MU IP Address; Figure A-17. Setting a Terminal IP Address; Diversity; MU IP ADDRESS

A-16 VRC 6940 Product Reference Guide Terminal IP Address If a boot server is not allocating IP addresses, you can set a Terminal IP Address: 1. Select MU IP Address to display the screen shown in Figure A-17 . 2. Erase all or part of the entry. 3. Type an IP address in decimal using the ddd.ddd.ddd...

Page 76 - Boot Mode; MU SLEEP MODE

A-17 Utilities and Diagnostic Tests MU Sleep Mode If you set MU Sleep Mode On , the radio stays powered on when the rest of the terminal powers down because of inactivity. You can wake the terminal by sending a message directly to it, but broadcast messages will not wake it. If you set the switch Of...

Page 77 - Power Management; Figure A-21. Configuring Power Management; PWER MANAGEMENT

A-18 VRC 6940 Product Reference Guide Boot Mode Options: Power Management If power management is set to PSP (the default), the radio only powers up if there is traffic on the network. Because the radio is not always in a ready state when a message is sent to it, PSP mode slows response times. If pow...

Page 78 - Buffers; BUFFERS

A-19 Utilities and Diagnostic Tests Buffers To configure the terminal Buffers: 1. Select Buffers to display the screen shown in Figure A-22 . 2. Use the UP or DOWN arrow keys to select 4, 8, or 12 , then press ENTER . 3. Press CLEAR or ENTER to return to the main menu. Figure A-22. Configuring the B...

Page 79 - Rate Control; Concurrent Op; RATE CONTROL

A-20 VRC 6940 Product Reference Guide Rate Control To configure the Rate Control: 1. Select Rate Control to display the screen shown in Figure A-24 . 2. Use the UP or DOWN arrow keys to select 1Mb only, 2Mb only, or 1Mb and 2 Mb options, then press ENTER . For Spring protocol, 1Mb is the only choice...

Page 80 - Flash Utility; Deleting; flash del filename.ext; Copying; Note; Renaming

A-21 Utilities and Diagnostic Tests Flash Utility The flash.bat utility lets you copy, delete or rename files on the flash disk: it switches the flash disk to write mode, performs the operation, and then returns the flash disk to read-only mode. The LWP software copies flash.bat onto the E:\ drive t...

Page 82 - Appendix B Software Environment

B-1 Appendix B Software Environment This section describes the software environment for a VRC 6940 terminal. A VRC 6940 has four drives as described in Table B-1 : Table B-1. VRC 6940 Drives Drive Size Type Contents A:\ 256 Kb Flash, EPROM This drive contains: • BIOS, including the Command Mode menu...

Page 83 - Boot Sequence; LAN WorkPlace

B-2 VRC 6940 Product Reference Guide Boot Sequence The first time a new terminal powers up: 1. A:\config.sys loads drivers. 2. A:\autoexec.bat calls and runs B:\autoexec.bat . 3. B:\autoexec.bat loads the application files contained in the LWP.HEX file by decompressing them into an application subdi...

Page 84 - Software Files; Do not run it from a; for more information.

B-3 Software Environment LAN WorkPlace (LWP) Software All VRC 6940 terminals have a copy of LWP.HEX loaded at the factory. The first time you start the terminal, it installs the utilities listed below onto the E:\drive. Software Files Table B-2 shows the contents of each drive after the LWP hex imag...

Page 90 - Appendix C Keyboard Layouts; displays the information in table

C-1 Appendix C Keyboard Layouts This section describes the characters and character sequences produced by the 54-key keyboard using the default translation tables. Table C-1 displays the information in table format. Figures C-1 to C-10 show keyboard illustrations. These key definitions can be change...

Page 93 - FUNC

C-4 VRC 6940 Product Reference Guide Keyboard Character & Character Combination Illustrations The captions indicate what sequence of modifier keys produce the keyboard character. FUNC and SHIFT-FUNC key combinations ( Figure C-5 and Figure C-9 ) produce scan codes, ASCII values, and printable ch...

Page 98 - This appendix describes:; Specifications

D-1 Appendix D Environmental and Technical Specifications This appendix describes: ! physical, environmental, and operational information for VRC 6940 terminals ! reference information for the COM1 and scanner ports ! mappings for the null modem pinouts Specifications Table D-1 summarizes physical, ...

Page 99 - The Scanner Port is located on the back panel of the VRC 6940.

D-2 VRC 6940 Product Reference Guide Scanner Port The Scanner Port is located on the back panel of the VRC 6940. Table D-2 lists the pin descriptions. Microprocessor NEC V25 Housing Magnesium Alloy Sealing IP65 and NEMA4 Vibration Specification SAE 1445 Operating Temperature: without internal heater...

Page 100 - COM1 Serial Port; The COM1 Serial Port is located on the back panel of the VRC 6940.

D-3 Environmental and Technical Specifications COM1 Serial Port The COM1 Serial Port is located on the back panel of the VRC 6940. Table D-3 lists the pin descriptions. Table D-3. COM1 Serial Port Descriptions Pin Name Signal Direction 1 GROUND GND IN 1 2 TRANSMIT DATA TXD OUT 1 3 RECEIVED DATA RXD ...

Page 101 - Null Modem; A null modem cable is used for:; Table D-4. Null Modem Pin Out Descriptions

D-4 VRC 6940 Product Reference Guide Null Modem A null modem cable is used for: ! downloading programs from a PC to a VRC 6940 terminal ! unloading memory contents from a VRC 6940 terminal to a PC The cable has a 16-pin male circular connector, and a 25-pin female D-Connector. Table D- 4 shows the p...

Page 102 - Appendix E Communications Status Codes; Communications Status Codes; describes the conditions

E-1 Appendix E Communications Status Codes Communications Status Codes When the Program Loader and Memory Transfer utilities complete their functions, they return communication status codes in the form of a four hexadecimal number. A status code of 0000 indicates success; any other code indicates fa...

Page 104 - Glossary; Subnet; AP; See; Access Point; API; Symbology

Glossary-1 Glossary Access Point A device that provides transparent access between Ethernet wired networks and IEEE 802.11 interoperable radio-equipped mobile units (MUs). Symbol’s hand-held computers, or other devices equipped with a PCMCIA slot, communicate with wired networks using Access Points ...

Page 105 - A measure for data transmission speed.

Glossary-2 VRC 6940 Product Reference Guide Baud Rate A measure for data transmission speed. BIOS Basic Input Output System. A collection of ROM-based code with a standard API used to interface with standard PC hardware. Bit Binary digit. One bit is the basic unit of binary information. Generally, e...

Page 106 - NVM; File Transfer Protocol

Glossary-3 Glossary DOS Disk Operating System. This is basic software that allows you to load and use software applications on your computer. VRC 6940 terminals use a product called DR-DOS. DR-DOS Disk operating system software on VRC 6940 terminals. It is compatible with and extends the industry-st...

Page 107 - section, an optional subnet section, and a host section. Also see

Glossary-4 VRC 6940 Product Reference Guide I/O Por ts Input/Output Ports. The I/O ports are primarily dedicated to passing information into or out of the terminal’s memory. The VRC 6940 terminal includes a Serial port and a Scanner port. IP Address A 32-bit address assigned to nodes on a TCP/IP net...

Page 108 - Personal Computer Memory Card Interface Association.

Glossary-5 Glossary Parity A technique for verifying whether or not data has been lost or overwritten when it is transferred from one place in storage to another or between computers. PCMCIA Personal Computer Memory Card Interface Association. PCMCIA Card A plug-in expansion card for laptop computer...

Page 109 - Symbol’s frequency-hopping, spread spectrum cellular network.; Router; Symbol Virtual Terminal Program.

Glossary-6 VRC 6940 Product Reference Guide Scanner An electronic device used to scan bar code symbols and produce a digitized pattern that corresponds to the bars and spaces of the symbol. Its three main components are: 1. Light source (laser or photoelectric cell) - illuminates a bar code. 2. Phot...

Page 110 - Vehicular Radio Computer.

Glossary-7 Glossary Transmission Control Protocol/Internet Protocol (TCP/IP) A suite of standard network protocols that were originally used in UNIX environments but are now used in many others. The TCP governs sequenced data; the IP governs packet forwarding. TCP/IP is the primary protocol that def...

Page 112 - Index

Index-1 Index A Accessories (optional) . . . . . . . . . . . . . . . 1-4 Alt + Func-modified keyboard . . . . . . . . . C-8 Alt-modified keyboard . . . . . . . . . . . . . . C-6 Antenna, vehicle-mounted option . . . . . . . 2-4 AP ping test . . . . . . . . . . . . . . . . . . A-5 , A-8 Applications,...