Radio Shack TRS-80 CR-510 User manual

IMPORTANTINFORMATION
Thisequipmentgeneratesandusesradiofrequencyenergy.Ifitisnotinstalledand
usedproperly,thatis,instrictaccordancewiththemanufacturer'sinstructions,
itmaycauseinterferencetoradioandtelevisionreception.Ithasbeentypetested
andfoundtocomplywiththelimitsfora ClassB computingdeviceinaccordance
withthespecificationsinSubpartJ ofPart15ofFCCRules,whicharedesigned
toprovidereasonableprotectionagainstsuchinterferenceina residentialinstallation.
However,thereisnoguaranteethatinterferencewillnotoccurina particular
installation.Ifthisequipmentdoescauseinterferencetoradioortelevisionreception,
whichcanbedeterminedbyturningtheequipmentoffandon,theuseris
encouragedtotrytocorrecttheinterferencebyoneormoreofthefollowingmeasures:
•reorientthereceivingantenna
•relocatethecomputerwithrespecttothereceiver
•movethecomputerawayfromthereceiver
•plugthecomputerintoa differentoutletsothatcomputerandreceiver
areondifferentbranchcircuits.
Ifnecessary,theusershouldconsultthedealeroranexperiencedradio/television
technicianforadditionalsuggestions.Theusermayfindthefollowingbooklet
preparedbytheFederalCommunicationsCommissionhelpful:How toIdentify and
Resolve Radio-TV Interference Problems. Thisbookletisavailablefromthe
UnitedStatesGovernmentPrintingOffice,Washington,DC20402,Stock,
No.004-000-0035-4.
Warning:Thisequipmenthasbeencertifiedtocomplywiththelimitsfora ClassB
computingdevice,pursuanttoSubpartJ ofPart15ofFCCRules.
TRS-80® CR-S10 Operation Manual
Copyright©1983TandyCorporation,
ForthWorth,Texas76102,U.S.A.All
RightsReserved.
Reproductionoruse,withoutexpress
writtenpermissionfromTandyCorpo-
ration,ofanyportionofthismanual,is
prohibited.Whilereasonableefforts
havebeentakeninthepreparationof
thismanualtoassureitsaccuracy.
TandyCorporationassumesnoliabil-
ityresultingfromanyerrorsoromis-
sionsinthismanualorfromtheuse
oftheinformationobtainedherein.

Contents
Introductioni
1/ DescriptionoftheCR-5101
FrontPanelControlsandIndicators2
RearPanelControls3
2/SettinguptheCR-5105
ConnectingtheCardReadertoa TRS-80ModelIIorIII5
LoadingCards5
BaudRateDIPSwitchSettings7
TheCR-510DiagnosticSelf-Test9
3/GeneralInformation11
Preparing,Handling,andMaintainingCards11
HowtheCardReaderWorks12
CardFeedModes14
SingleFeedOperation14
DemandFeedOperation14
ContinuousFeedOperation14
AdjustingtheCR-510'sFeed14
(leaningtheRubberRoller15
4/UsingtheCR-51021
ProgrammingtheCardReader21
CR-510CommandStructure21
DataFormat21
CR-510Commands21
FormatCommands22
CR-510CommunicationsOverview28
TRS-80InputBufferManagement29
DataTransmissionIntegrity(EchoOn)29
5/UsingtheCR-510DemonstrationSoftware31
Runninga Demonstration31
COBOLCardReaderProgram31
HowtoRunDemonstrationProgramsWithoutthe"DO"Files32
Programmer'sGuide33
ProgramListings35
AppendixA/HollerithtoASCIIConversionsA1
AppendixB/CardSpecificationsB1
AppendixC/TroubleshootingC1
AppendixD/SystemandTerminalModeTestsD1
AppendixE/SpecificationsE1

Introduction
CongratulationsonselectingtheTRS-80CR-510CardReader!WiththisCardReader,a TRS-80
Computer,andstandardmarkedorpunchedcards,youcan:
•Automatedatacompilation.
•Evaluatesurveysandpolls.
•Correctmultiplechoicetests.
andmore!
TheCR-510CardReaderisdesignedtoconnectdirectlytoyourTRS-80ModelI/II/IIIviathe
Computer'sRS-232Cconnector.
TheCardReadercanbecontrolledeithermanuallyviaswitches("hardware")orthroughyour
program("software")andcanreadcardsthatareatleast15.24cm(6")inlength.A GeneralPurpose
StandardCarddesignedforusewiththeCR-510isavailable(26-1240)and,withtheoptional14"
CardHolder,cardsupto35.56cm(14")inlengthcanberead.
NotethattheCardReaderrequiresa special"driver"routinetocommunicatewithyourComputer.
ThisdriverroutinemustbeincludedineveryprogramyouwritefortheCR-510.(SeeChapter5 ofthis
manual.)RadioShackalsoprovidesapplicationssoftwarefortheCR-510.Instructionsforusingthese
programsaresuppliedwiththeindividualsoftwarepackages.

Figure1.CR-510CardReader.
Beforedoinganythingelse,carefullyunpacktheCR-510.Besurethefollowingaccessoriesare
includedintheCardReaderpackage:
•CardReader
•MetalCardCatcher
•CardWeight
•BlankCardPacketwith200GeneralPurposeCards
•Owner'sManual
•DiagnosticTestCard
•ConnectionTestCard
•PowerCord
•VialofCleanser(forReadHeadandDriveRollercleaning)
•Cloth
Savetheboxandpackingmaterialforfutureshipping.
Thissectiondescribesthevariousconnectors,switches,andindicatorlightsonyourCR-510.

Figure2.CR-510(FrontPanel)
(Note:WhenyoufirstturnontheCardReader,alloftheFrontPanelLightswillcomeonforabout
asecond.)
AchartoferrorconditionsassociatedwiththeselightsappearsinAppendixC.
START/STOPButtonPressthisbuttontobegincardreading.Pressa secondtimetostop
theunitoncethecurrentcardhasbeenread.PressingSTARTwhileintheSingle-FeedMode
causestheunittoreadonecard.IntheContinuousFeedMode,pressSTARTtoreadcards
intheHopper.
SELF-TESTButtonPressthisbuttontostarttheSelf-Test.
TherearetwokindsofSelf-Testsyoucanrun:
•TheDiagnostic Self-Test (describedattheendofthissection).
•A quickSelf-Test withtheMechanicalFeedTest.Placesomecards(markedorunmarked)
intheHopperandpresstheSelf-Testbutton.AllFrontPanellightswillcomeonfor
aboutonesecond.WhentheSelf-Testissuccessfullycompleted,thelightswillgooffandthe
cardswillquicklyfeedthrough.Ifthelightsremainon,orthecardsdon'tfeedthrough,
performtheDiagnosticSelf-Test.
LOAD/ATTENTIONIndicatorThislightindicatesthattheComputerexpectsmorecards,
buttheHopperisempty.Thisconditioncanalsobeactivatedthroughsoftware.A flashing
lampindicatesthatanATNcommandwassentbytheComputer.SeeChapter4 foradditional
information.
READYIndicatorThisindicatorilluminateswhentheSTARTbuttonhasbeenpressedand
theunitisreadytoreadcards.Whenitblinks,orlightsupalongwithotherindicators,an
errorconditionexists.
FEEDERRORIndicatorWhenthisindicatorisilluminated,a mechanicalfailureofsome
kindhasoccurred.
PowerIndicatorWhentheCardReaderisconnectedtoanoutletandthepowerswitchisset
toON,thisindicatorwillilluminate.

Figure3.CR-510(RearView)
DIPSwitchesPositiontheDIPSwitchestosetthebaudrate.TheDIPSwitchesarelocated
behindthemetalplate(seeFigure7 fordetails).TheCR-5l0'sbaudratemustmatchthe
baudrateoftheComputer.(SeeSettingUptheCR-510fordetails.)
RS-232CConnectorConnecttheCR-510totheTRS-80viathisconnectorusingthe
appropriateinterface.
PowerON/OFFSwitchToturntheCR-510powerON,setthisswitchtoON.(Whenpower
isapplied,a unitSelf-Testisautomaticallyrun.)
PowerCordConnectorPlugtheACPowercordincludedwithpackageintothisconnector.
FuseHolderThefuseprovidesunitoverloadprotection.Replacewitha 1 ampslo-blofuse
for110VAC.

Figure4.InsertingCardsintotheCardHopper
2/SettinguptheCR-510
ConnecttheCardReadertoa 110VoltACoutletoranapprovedpowerstrip.Alwaysusea 3-prong
groundedoutlet.
ConnectingtheCardReadertoYourComputer
ModelIIUsers
1.BesuretheCardReader'sandComputer'spowerareOff.
2.ConnectoneoftheDB-25endsoftheModelIIRS-232CCable(26-4408)totheRS-232C
ConnectorontheCR-510.
3.ConnecttheotherDB-25endofthecabletoeitherSERIALCHANNELA orB onthe
Computer.Inserta TerminalPlugintotheotherSERIALConnector.
ModelIIIUsers
1.BesuretheCardReader'sandComputer'spowerareOff.
2.ConnectoneendoftheModelIIIRS-232CCable(26-1408)totheRS-232CConnectoronthe
Computer.
3.ConnecttheotherendofthecabletotheRS-232CConnectorontheCR-510.
LoadingCards
Besurethatthestackofcardstobereadispackedsothatallsidesofthestackareeven.Nocards
shouldhaveedgesprotrudingfromthestack.
1.Insertthestackofcards(notover250regularsizecardsor100longcardsatonetime)facedown
intotheCardHopper.Therowoftimingmarks(blackmarksalongthesideofthecard)should
betotheleftasyoufacethefrontpaneloftheCR-510.

2.TheCardWeight(seeFigure5)mustbepositionedontopofthecardstack.TheCardWeightslot
mustbepositionedsothatwhentheHopperisempty,theslotispositionedoverthemicro-
switchatthebottomoftheHopper.
HOPPER
CARDSTACK
Figure5.CardWeightPositioning
3.AttachtheCardCatcher.SeeFigure6 A.
4.Verifythatthemetalcardretainerisinstalledintheslotsattherearofthehopperasshownin
Figure6B.
Figure6A.CardCatcher
-6-