Worth Data 7000 manual Operational Theory, Testing the RF link between base station and host

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You can enable a Security Code for either a Base or a Relay. The Security Code needs to be three characters and when enabled, requires anyone wanting to make a change to the Base or Relay to enter this 3-character code.

"Xon/Xoff Sensitive" should be checked ONLY if your system has XON/XOFF specified for handshaking on the serial port in use. Typically in Windows, handshaking will be set to "None" and you should leave this setting unchecked. See "Addressing a Terminal not Signed In" and "Base Station Initialized Message" in Chapter 6 for details.

Once you have made any and all changes, click on the "Send Settings" button. Your Base or Relay is now configured!

Testing the RF link between base station and host

Use the following command to test the transmission of data from host to Base and back again to the host:

@@*Edataaaaaaaa<EOT>

where dataaaaaaaa is any string of data, terminated by EOT. This string should be sent from the host to the Base Station. If the data is received by the Base, it is echoed back to the host in the format:

dataaaaaaaa<CR>

where dataaaaaaaa is the data string from the original transmission, terminated by a CR (ASCII 13). This test verifies communication in both directions (host to Base, Base to host).

If the data isn’t echoed back, either your host COM port or the Base Station has a problem.

Once you know the Base Station is communicating with the host correctly, compare the channel of the Base Station with the channel of the Terminal. Use Site Testing to check the communication of the Terminal to the Base and back. Stay close, make sure no other Terminals are in use, and go to Site Test mode on the Terminal. You should get 90-100% on first try. If you don’t, it’s a good chance your radios need repair. Call Worth Data for an RMA.

If you are using PICK or UNIX as your operating system, make sure the Base Station is set to "XON/XOFF Sensitive".

Operational Theory

Before you jump in and start writing a complex host program, it might be nice to be familiar with the theory behind the operation of your RF Terminal. The RF Terminal has three different modes of communication:

Two-Way Mode - the host program transmits requests for data to the terminal via the Base Station. The RF Terminal transmits a response back to the Base Station, which in turn sends the data on to the host program. This is a truly interactive mode allowing you to create flexible programs for a variety of applications that are computer led and controlled.

One-Way Mode - the RF Terminal transmits to the host with only confirmation from the Base Station. The host program receives data from the Base Station as it would any other serial device. The host cannot send data to the terminal; it can only receive information.

Site Survey Mode – the Base Station and RF Terminal work together to evaluate the site and determine

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Contents Page Page Table of Contents Introduction DifferencesPage Installation Installation SequenceConnecting the Base Station to a serial port ComponentsConfiguring the Base station… Connecting the Base station…Base station channel… Using the RF Terminal keypad… Battery Life IndicatorCharge Battery Hit Any Key Battery too Low to Operate Hit Any Key to Power DownTo change the internal battery Recharging the batteryCharging Battery Please Wait……… Battery Charge CompleteTerminal Menu Functions Opening screen can be bypassed upon power up. See ChapterFirmware Uxxx HWyy-Rzz Installing the RF Terminal Utilities Software Using the Windows 7000 RF Terminal Loader UtilityInstalling the Windows Terminal Loader Utility Windows Demo Programs and RF DLL Programmers LibraryTerminal Eprom Loader Help Uninstall Using the Setup Menu on the RF Terminal RF System SetupSign On Setup One Way Mode RF Site Survey RF Configuration RF Terminal IDRF Terminal Channel Security CodeSkip Opening Screens Control Keys OnlyAutomatic Check Back Bar Code OptionsCode 3 of 9 Code UPC-A / EAN-13 Options UPC-E / EAN-8 Options CodeCodabar 5 CodeCode 93 / Code MSI and PlesseyDataBar / RSS-14 Options RS-232 I/O Settings Set Time Set DateDate Format Year OutputSpeaker Settings Laser OptionsLCD Options Preamble Other SettingsNnmm Settings menu PostambleReset to Factory Default System ToolsCharacters Download FileBase and Relay Setup Using the RF 7000 Configuration UtilityTesting the RF link between base station and host Operational Theory@@*EdataaaaaaaaEOT DataaaaaaaaCRHow the Two-Way RF System works Basic RF System communications…Little more in depth… Here is how it worksHow the One-Way RF System works Can I change a prompt after it has been sent?How Site Survey works Data Received Was Enter Data?Evaluating your area of planned operation Performance IssuesPerforming a Site Survey Press Enter When Ready or F1 to Exit Site Testing in Progress Please Wait…………How Relay Stations work… Relay StationsRelay n Cannot be Relay Installation Is radio traffic contention likely?Determining coverage areas for Base Stations and Relays Before you begin programming… Command without an ID Operator ErrorsFailure Planning Hardware FailuresProgramming for the RF Terminal LOW Level Ascii sequences directlyPlanning Host to Terminal ProgrammingColor Display Programming @Cfnfnfn...\cb= White Where n m @n,m,o,data@1,1,1,ITEM@2,1,1,QTY Page @2,1,1,ENTER Item no Base Station to Host Formats Serial ReplyBase Shut Down Due to Host Logic Error Base Station Error FeedbackAddressing a Terminal not SIGNed on Sequence Error Message Illegal Command?CR @1,1,1,Scan Serial NumberControl Keys for Possible Programming Base Station Initialized MessagePage PromptCOM/ActiveX Concepts ActiveX Object ProgrammingValid values Properties ActiveX ObjectValid valuesNone, Even, Odd True, False Methods ActiveX ObjectColor Codes for Line TerminalParameters line, position, prompt Parameters line, position, prompt, FG, BGParameters line, position, prompt,FG,BG Parameters line, position, prompt, shiftedParameters font, linecount Parameters FGcolor, BGcolor Events ActiveX ObjectData passedterminal, data Terminal Data PassedProgramming Considerations Network Setup PromptNET TCP/IP Active X ControlsClient Utility Server CommunicationsConcepts TCP/IP COM Test For Good CommunicationProblems Properties TCP/IP COMValid values blank or a valid file name Read OnlyParameters basename, channel, terminal, data Parameters basename, channel, terminalParameters basename, channel, terminal, line Parameters basename, channel, terminal, countParameters basename, channel, terminal, msgnum Parameters basename, channelEvents TCP/IP COM Data passedbasename, channelData passedbasename, channel, terminal, data OnTermEndKey Cameo and QL 3 Common Information Portable PrintersZebra Cameo Printer Zebra QL 3 Printer Part Number Description Price/RollWhy Use Voice Messages and Prompts? Tips for Using Voice PromptsAssigning Error Messages Voice Message OperationsDefault Voice Messages Troubleshooting Problems with a new installationChanging the Battery General ConsiderationsTerminal Error Messages MessageMeaning Action Required Message Meaning Action RequiredTroubleshooting specific problems Can’t communicate at allMy response time is poor Im not getting the distance I needRF Terminal Problems Problems reading Bar CodesGet 6 beeps when the RF Terminal powers up Reader wont beep when I try to read bar codesIf you have a problem… Have very poor read rates when scanning bar codesRMA #XXXXXX Channel and Jumper Changes Opening a BaseChanging a Base to a Relay RS-422 Termination JumpersConnecting a Relay Station Setting the Relay IDAdding Relays Channel ChangesRouting the Wiring Correct Routing for WiringRelay Station RS422 Pin-outs Incorrect Routing for WiringRelay Test Plan and Failures Relay Failure Testing the Relay Changing a Relay back to a BaseChanging the Channel on a Relay RS-422 TerminationSerial Pin-outs Base Station to Host Pin-outsF34 DB25 Null Modem Cable F36 DB9 Straight CableFirmware Upgrades Terminal Firmware UpgradesRelay Station RS422 Pin-outs Normal Firmware Download for a TerminalCode 39 Specifications Base Station Firmware upgradesFailsafe Firmware Download for a Terminal C39Code 39 Advanced Features and Functions Mod 43 Check CharacterMod 43 Check character calculation for Code Value 22 is the Check CharacterAccumulate Mode Full Ascii Extension to CodeCode 93 Specifications Clear EnterCodabar Specifications Code 128 SpecificationsA12345b Codabar start/stop transmissionInterleaved 2 of 5 Code Specifications UCC-128 Shipping Container CodeUPC / EAN Specifications Isbn Specifications Supplemental codesUPC/EAN checksum character MSI/Plessey Specifications How to scan a bar code Laser ScannersLaser Options Aiming the Laser DotAscii Code Equivalent Table BEL

7000 specifications

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