Intermec SE1223 User manual

SE 1223 IntegratedVLDScanner
USER’SGUIDE
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PN:961-032-042
RevisionB
September 1999

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SE 1223 ScannerUser’sGuide i
CONTENTS
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SECTION1
General Information
SE1223 IntegratedVLDScannerOverview1-1............
DefinitionofTerms1-1..................................
Aperture1-1........................................
ASCII 1-2...........................................
Bar1-2.............................................
BarCodeDensity1-2................................
BarCodeSecurity1-2................................
BarHeight1-2......................................
BarWidth1-2.......................................
CDRH1-2..........................................
CDRHClass I1-3....................................
CDRHClass II 1-3...................................
Character1-3.......................................
CharacterSet1-3....................................
CheckDigit1-3......................................
Codabar1-4.........................................
Code3of9(Code39)1-4.............................
Code93 1-4.........................................
Code128 1-4........................................
CodeLength1-4.....................................
ContinuousCode1-4.................................
DeadZone1-5.......................................
Decode1-5..........................................
DecodeAlgorithm1-5................................
DepthofField1-5...................................
DiscreteCode1-5....................................
Discrete2of5 1-5...................................
EAN1-6............................................
Element1-6.........................................
EncodedArea 1-6....................................

CONTENTS
ii SE 1223 ScannerUser’sGuide
HostComputer1-6..................................
IEC 1-6.............................................
IEC Class I(IEC 825 Class I)1-6......................
IntercharacterGap1-7...............................
InterleavedBarCode1-7.............................
Interleaved2of5 1-7................................
Laser1-7...........................................
LaserDiode1-7.....................................
LaserIndicator1-8..................................
Lead-InCharacters1-8..............................
MIL1-8.............................................
Misread(Misdecode)1-8.............................
MSIPlessey1-8.....................................
Nominal1-9.........................................
NominalSize1-9....................................
Parameter1-9.......................................
PercentDecode1-9..................................
PrintContrastSignal(PCS)1-9.......................
ProgrammingMode1-9..............................
QuietZone1-10......................................
Reflectance1-10......................................
Resolution1-10.......................................
ScanArea 1-10.......................................
Scanner1-10.........................................
ScanningMode1-10..................................
ScanningSequence1-11...............................
Self-CheckingCode1-11...............................
Space1-11...........................................
SpecularReflection1-11...............................
Start/StopCharacter1-11.............................
Substrate1-11........................................
Symbol1-11..........................................
SymbolAspectRatio1-12..............................
SymbolLength1-12...................................
Symbology 1-12.......................................
Tolerance1-12........................................
UPC1-12............................................
VisibleLaserDiode(VLD)1-12........................
LaserHazardClassifications1-13..........................

CONTENTS
SE 1223 ScannerUser’sGuide iii
SECTION2
ScannerParameters
Introduction2-1.........................................
IdentifyingtheDefaultSettings2-2...................
ScanningSequence2-2...............................
ErrorsWhileScanning2-3...........................
Reset toDefaultSettings2-4.............................
DecodeDataPacketFormat2-4..........................
LaserOnTime2-8......................................
AimDuration2-9.......................................
Transmit “NoRead”Message2-10.........................
ParameterScanning2-11.................................
LinearCodeTypeSecurityLevels2-12.....................
BidirectionalRedundancy2-16............................
Symbology Types2-17....................................
UPC/EAN2-18...........................................
Enable/DisableUPC-A2-18............................
Enable/DisableUPC-E2-19............................
Enable/DisableUPC-E1 2-20..........................
Enable/DisableEAN-8 2-21............................
Enable/DisableEAN-13 2-22...........................
Enable/DisableBooklandEAN2-23....................
DecodeUPC/EANSupplementals2-24.....................
DecodeUPC/EANSupplementalRedundancy2-26......
TransmitUPC-A CheckDigit2-27.........................
TransmitUPC-E CheckDigit2-28.........................
TransmitUPC-E1CheckDigit2-29........................
UPC-APreamble2-30....................................
UPC-EPreamble2-31....................................
UPC-E1Preamble2-32...................................
ConvertUPC-EtoUPC-A2-33............................
ConvertUPC-E1toUPC-A2-34........................
EANZeroExtend2-35....................................
ConvertEAN-8toEAN-13 Type2-36...................
UPC/EANSecurityLevel2-37.............................
UPC/EANSecurityLevel0 2-37........................
UPC/EANSecurityLevel1 2-38........................
UPC/EANSecurityLevel2 2-38........................
UPC/EANSecurityLevel3 2-39........................
UPC/EANCouponCode2-40..............................

CONTENTS
ivSE 1223 ScannerUser’sGuide
Code128 2-41............................................
Enable/DisableUSS-128 2-41..........................
Enable/DisableUCC/EAN-128 2-42.....................
Enable/DisableISBT128 2-43.........................
Code39 2-44.............................................
Enable/DisableCode39 2-44...........................
Enable/DisableTriopticCode39 2-45...................
ConvertCode39 toCode32 2-46.......................
Code39 Prefix2-47...................................
SetLengthsforCode39 2-48..........................
Code39 CheckDigitVerification2-50..................
TransmitCode39 CheckDigit2-51.....................
Enable/DisableCode39 Full ASCII 2-51................
Code93 2-53.............................................
Enable/DisableCode93 2-53...........................
SetLengthsforCode93 2-54..........................
Interleaved2of5 2-56....................................
Enable/DisableInterleaved2of5 2-56..................
SetLengthsforInterleaved2of5 2-57.................
I2of5CheckDigitVerification2-60...................
TransmitI2of5CheckDigit2-61......................
ConvertI2of5toEAN-13 2-62............................
Discrete2of5 2-63.......................................
Enable/DisableDiscrete2of5 2-63.....................
SetLengthsforDiscrete2of5 2-64....................
Codabar2-67............................................
Enable/DisableCodabar2-67..........................
SetLengthsforCodabar2-68..........................
CLSIEditing2-71....................................
NOTISEditing2-72...................................
MSIPlessey2-73.........................................
Enable/DisableMSI/Plessey2-73.......................
SetLengthsforMSIPlessey2-74......................
MSIPlesseyCheckDigit2-77.............................
TransmitMSIPlesseyCheckDigit2-78.................
MSIPlesseyCheckDigitAlgorithm2-79................
TransmitCodeIDCharacter2-80..........................
Prefix/SuffixValues2-82..................................
ScanDataTransmissionFormat2-84......................
NumericBarCodes2-87..................................
Cancel2-89..............................................

CONTENTS
SE 1223 ScannerUser’sGuide v
SECTION3
ScannerSpecifications
SE1223 StandardScanner3-1...........................
SE1223 StandardScannerDecodeZone3-3...............
SE1223 WideAngleScanner3-4.........................
SE1223 WideAngleScannerDecodeZone3-6.............
SE1223 VeryHighDensity(VHD)Scanner3-7............
SE1223 VeryHighDensity(VHD)ScannerDecodeZone3-9
SE1223 LongRange(LR)Scanner3-10....................
SE1223 LongRange(LR)ScannerDecodeZone3-12........
APPENDIXA
Prefix and SuffixCharacterEquivalentTable
TABLES
Table2-1ScannerDefaultSettings2-5....................
Table3-1SE1223 StandardScannerTechnical
Specifications3-1.......................................
Table3-2SE1223 StandardScannerDecode
Distances3-3...........................................
Table3-3SE1223 WideAngleScannerTechnical
Specifications3-4.......................................
Table3-4SE1223 WideAngleScannerDecode
Distances3-6...........................................
Table3-5SE1223 VHDScannerTechnical
Specifications3-7.......................................
Table3-6SE1223 VHDScannerDecodeDistances3-9.....
Table3-7SE1223 LRScannerTechnicalSpecifications3-10.
Table3-8SE1223 StandardScannerDecodeDistances3-12.
TableA-1PrefixandSuffixCharacterEquivalentA-88......

CONTENTS
viSE 1223 ScannerUser’sGuide

SE 1223 ScannerUser’sGuide 1-1
Section 1
General Information
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SE 1223 IntegratedVLDScanner
Overview
YourSE1223 IntegratedVLDScannerisaminiature,vis-
ible-laserscannerwithanintegrated decoder.TheSE1223
scanner containsaninboardmicrocontrollerthatscansand
processesbar codesintoASCII data.
TheSE1223 containsaminiaturescanengine,onboard
voltagemonitor,awatchdogtimer,twohardwarehand-
shakinglines,andanEEPROMforstoringdecoderparame-
ters.Italsoprovidesover-temperatureprotectionthat turns
thelaseroff ifthetemperaturerisesaboveacceptablelimits
(50_C).
Definition ofTerms
This sectiondefinestermsusedinthisUser’sGuide.These
termsincludegeneralcomputerjargon,scannerdescrip-
tions,andbriefdescriptionsofcommonbar codesymbolo-
gies.
Aperture
The openinginanopticalsystemdefinedbyalensora
bafflethatestablishesthefieldofview.

SECTION1GeneralInformation
1-2SE 1223 ScannerUser’sGuide
ASCII
AmericanStandardCodeforInformationInterchange.A7
bit-plus-paritycoderepresenting128 letters,numerals,
punctuationmarks,andcontrolcharacters.Itisastandard
datatransmissioncodeintheU.S.
Bar
Thedarkelementinaprintedbar codesymbol.
BarCodeDensity
Thenumberofcharactersrepresented perunitofmeasure-
ment(e.g.charactersperinch).
BarCodeSecurity
Thelevelofbar codequalitythat thescannerwill attempt
todecode.
BarHeight
Thedimensionofa barmeasured perpendiculartothebar
width
BarWidth
Thickness ofa barmeasuredfrom the edgeclosest tothe
symbolstartcharactertothetrailingedge ofthesamebar.
CDRH
CenterforDevicesandRadiologicalHealth.Afederal
agencyresponsiblefor regulatinglaserproductsafety.This

SECTION1GeneralInformation
SE 1223 ScannerUser’sGuide 1-3
agencyspecifiesvariouslaseroperationclassesbasedon
poweroutputduringoperation.
CDRH Class I
ThisisthelowestpowerCDRHlaser classification.This
class isconsideredintrinsicallysafe,evenifall laseroutput
weredirectedintothe eye’spupil.Therearenospecialoper-
atingproceduresforthisclass.
CDRH Class II
Noadditionalsoftwaremechanismsareneededtoconform
tothislimit.Laseroperationinthisclass posesnodanger
forunintentionaldirecthumanexposure.
Character
Apatternofbarsandspaceswhicheitherdirectlyrepre-
sentsdataorindicatesacontrolfunction,suchasanumber,
letter,punctuationmark,or communicationscontrolcon-
tainedinamessage.
CharacterSet
Thosecharactersavailableforencodationinaparticular
bar codesymbology.
Check Digit
Adigitusedtoverifyacorrectsymboldecode.Thescanner
insertsthedecoded dataintoanarithmeticformula and
checksthat theresultingnumbermatchesthe encoded
checkdigit.CheckdigitsarerequiredforUPCbutare op-
tionalforothersymbologies.Usingcheckdigitsdecreases
thechance ofsubstitutionerrorswhenasymbol isinter-
preted.

SECTION1GeneralInformation
1-4SE 1223 ScannerUser’sGuide
Codabar
Adiscreteself-checkingcodewithacharactersetconsisting
ofdigits0to9 andsixadditionalcharacters:(-- $:/,+).
Code3of9(Code 39)
Aversatileandwidelyusedalphanumericbar codesymbol-
ogy withasetof43 charactertypes,includingall uppercase
letters,numeralsfrom0to9,andsevenspecialcharacters
(-- ./+%$ andspace).Thecodenameisderivedfrom the
fact that3ofthe9elementsrepresentingacharacterare
wide, whiletheremainingsixarenarrow.
Code 93
Anindustrialsymbology compatiblewithCode39 butoffer-
ingafull characterASCII setandahigher codingdensity
thanCode39.
Code 128
Ahighdensitysymbology whichallowsthecontrollerto en-
codeall 128 ASCII characterswithoutaddingextrasymbol
elements.
CodeLength
Numberofdatacharactersina bar codebetweenthestart
andstopcharacters.
ContinuousCode
Abar code orsymbol inwhichall spaceswithinthesymbol
arepartsofcharacters.Therearenointercharactergapsin

SECTION1GeneralInformation
SE 1223 ScannerUser’sGuide 1-5
acontinuouscode.Theabsence ofgapsallowsforgreater
informationdensity.
Dead Zone
Anareawithinascanner’sfieldofview, inwhichspecular
reflectionmaypreventasuccessfuldecode.
Decode
Torecognizea bar codesymbology suchasUPC/EANand
thenanalyzethecontentofthespecificbar codescanned.
DecodeAlgorithm
Adecodingschemethatconvertspulsewidthsintodata
representationofthelettersornumbersencodedwithina
bar codesymbol.
Depth ofField
Therangebetweenminimumandmaximumdistancesat
whichascanner canreadasymbolwithacertainminimum
elementwidth.
DiscreteCode
Abar code orsymbol inwhichthespacesbetweencharac-
ters(intercharactergaps)arenotpartofthecode.
Discrete2of5
Abinarybar codesymbology representingeachcharacter
byagroupof fivebars,two ofwhicharewide.Thelocation
ofwidebarsinthegroup determineswhichcharacterisen-

SECTION1GeneralInformation
1-6SE 1223 ScannerUser’sGuide
coded;spacesareinsignificant. Onlynumeric characters(0
to9)andSTART/STOPcharactersmaybe encoded.
EAN
EuropeanArticleNumber.ThisEuropean/International
versionoftheUPCprovidesitsowncodingformatand
symbology standards.Elementdimensionsarespecified
metrically.EAN isused primarilyinretail.
Element
Generictermfora barorspace.
EncodedArea
Total lineardimensionoccupiedbyall charactersofacode
pattern,includingstart/stopcharactersand data.
HostComputer
Acomputerthatservesotherterminalsinanetwork,pro-
vidingsuchservicesascomputation,databaseaccess,su-
pervisoryprograms,andnetworkcontrol.
IEC
InternationalElectrotechnicalCommission.Thisinterna-
tionalagencyregulateslasersafetybyspecifying various
laseroperationclassesbasedonpoweroutputduringopera-
tion.
IEC Class I(IEC825 Class I)
ThisisthelowestpowerIEC laser classification.Conformi-
tyisensuredthroughasoftwarerestrictionof120 seconds

SECTION1GeneralInformation
SE 1223 ScannerUser’sGuide 1-7
oflaseroperationwithinany1000 secondwindowandan
automaticlasershutdownifthescanner’soscillatingmirror
fails.
IntercharacterGap
Thespacebetweentwoadjacentbar codecharactersina
discretecode.
InterleavedBarCode
Abar codeinwhichcharactersarepairedtogether,using
barstorepresent thefirstcharacterandtheintervening
spacestorepresent thesecond.
Interleaved2of5
Abinarybar codesymbology representingcharacterpairs
ingroupsof fivebarsandfiveinterleavedspaces.Interleav-
ingprovidesforgreaterinformationdensity.Thelocationof
wide elements(bar/spaces)withineachgroup determines
whichcharactersare encoded.Thiscontinuouscodetype
usesnointercharacterspaces. Onlynumeric(0to9)and
START/STOPcharactersmaybe encoded.
Laser
AnacronymforLightAmplificationbyStimulatedEmis-
sionofRadiation.Thelaserisanintenselightsource.Light
fromalaserisall thesamefrequency,unlikethe outputof
anincandescentbulb.Laserlightistypicallycoherentand
hasahighenergy density.
LaserDiode
Agallium-arsenidesemiconductortype oflaser connectedto
apowersourcetogeneratealaserbeam.Thislasertypeis
acompactsource ofcoherentlight.

SECTION1GeneralInformation
1-8SE 1223 ScannerUser’sGuide
LaserIndicator
Asemiconductordiode(LED--LightEmittingDiode)usedas
anindicator,oftenindigitaldisplays.Thesemiconductor
usesappliedvoltagetoproducelightofacertainfrequency
determinedbythesemiconductor’sparticular chemicalcom-
position.
Lead-InCharacters
Preamblecharacters
MIL
1mil =1thousandthofaninch.
Misread(Misdecode)
Aconditionwhichoccurswhenthedataoutputofareader
orinterfacecontrollerdoesnotagree withthedataencoded
withina bar codesymbol.
MSIPlessey
Anumeric-onlybar codetype.Itcanacceptavariablenum-
berofdigitsupto13.MSIPlesseyconsistsof fourbarsand
fouradjacentspaces.Eachbar\spacepair consistsofone
informationbit.Azerobitconsistsofanarrowbarfollowed
byawidespace, while onebitconsistofawidebarfollowed
byanarrowbar.Thezerobitisoneunitbarfollowedbya
two-unitspaceandthe onebitisatwo-unitbarfollowedby
aoneunitspace.TheprimaryapplicationfortheMSIPles-
seycodeismarkingofretail shelvesandsubsequentscan-
ningwithportabledevicesforinventorypurposes.

SECTION1GeneralInformation
SE 1223 ScannerUser’sGuide 1-9
Nominal
The exact(orideal)intendedvalueforaspecified parame-
ter.Tolerancesarespecifiedaspositiveandnegativedevi-
ationsfrom thisvalue.
NominalSize
Standardsizefora bar codesymbol.MostUPC/EANcodes
canbeusedoverarange ofmagnifications(e.g., from0.80
to2.00 ofnominal).
Parameter
Avariablethatcan havedifferentvaluesassignedtoit.
PercentDecode
Theaverageprobabilitythatasinglescanofa bar code
wouldresultinasuccessfuldecode.Inawell-designedbar
codescanningsystem,theprobabilityshouldapproach
100%.
PrintContrastSignal(PCS)
Measurementofthecontrast(brightness difference)be-
tweenthebarsandspacesofasymbol.AminimumPCS
valueisneededfora bar codesymboltobescannable.PCS
=(RL-- RD)/RL, whereRListhereflectancefactorofthe
backgroundandRDthereflectancefactorofthedarkbars.
Programming Mode
Thestateinwhichascannerisconfiguredforparameter
values.

SECTION1GeneralInformation
1-10 SE 1223 ScannerUser’sGuide
QuietZone
Aclearspace,containingnodarkmarks, whichprecedes
thestartcharacterofa bar codesymbolandfollowsthestop
character.
Reflectance
Amountoflightreturnedfromanilluminatedsurface.
Resolution
Thenarrowestelementdimensionswhichcanbedistin-
guishedbyaparticular readingdevice orprintedwitha
particulardevice ormethod.
ScanArea
Areaintendedtocontainasymbol.
Scanner
Anelectronicdeviceusedtoscanbar codesymbolsand pro-
duceadigitized patternthatcorrespondstothebarsand
spacesofthesymbol.Itsthree maincomponentsare:
1.Lightsource(laserorphotoelectric cell),illuminatesa
bar code.
2.Photodetector,registersthedifferenceinreflected
light(morelightreflectedfromspaces).
3.Signalconditioningcircuit,transformsopticaldetector
outputintoadigitizedbarpattern.
Scanning Mode
Thescannerisenergized,programmed,andreadytoreada
bar code.

SECTION1GeneralInformation
SE 1223 ScannerUser’sGuide 1-11
Scanning Sequence
Amethodofprogrammingor configuringparametersfora
bar codereadingsystembyscanningbar codemenus.
Self-Checking Code
Asymbology thatusesacheckingalgorithm todetecten-
codingerrorswithinthecharactersofa bar codesymbol.
Space
Thelighterelementofa bar codeformedbythebackground
betweenbars.
SpecularReflection
Themirror-likereflectionoflightfromasurfacewhichcan
“blind”ascanner.
Start/Stop Character
Apatternofbarsandspacesthatprovidesthescannerwith
startandstopreadinginstructionsandscanningdirection.
Thestartandstopcharactersarenormallytotheleftand
right marginsofahorizontalcode.
Substrate
Afoundationmaterialonwhichasubstance orimageis
placed.
Symbol
Ascannableunit thatencodesdatawithintheconventions
ofacertainsymbology,usuallyincludingstart/stopcharac-
ters,quietzones,datacharacters,andcheckcharacters.

SECTION1GeneralInformation
1-12 SE 1223 ScannerUser’sGuide
SymbolAspectRatio
Theratio ofsymbolheight tosymbolwidth.
SymbolLength
Lengthofsymbolmeasuredfrom thebeginningofthequiet
zone(margin)adjacent tothestartcharactertothe endof
thequietzone(margin)adjacent toastopcharacter.
Symbology
Thestructuralrulesandconventionsfor representingdata
withinaparticularbar codetypesuchasUPC/EAN,Code
39,etc.
Tolerance
Allowabledeviationfrom thenominalbarorspacewidth.
UPC
UniversalProductCodeisarelativelycomplexnumeric
symbology.Eachcharacter consistsoftwobarsandtwo
spaces,eachofwhichcanbeanyof fourwidths.Thestan-
dardsymbology for retail food packagesintheUnited
States.
VisibleLaserDiode(VLD)
Asolidstatedevicewhichproducesvisiblelaserlight.Laser
lightemittedfrom thediodehasawavelengthof670 to680
nanometers.