Motorola MC40 - Page 63

4.6.1BarCodeInput
TherearethreeoptionsfortransmittingaUPCE0preamble:
♦PreambleSysChar-TransmitSystemCharacteronly.
♦PreambleCountryandSysChar-TransmitSystemCharacterandCountryCode(“0”forUSA).
♦PreambleNone-Transmitnopreamble(default).
–ConvertUPCE0T oUPCA-EnabletoconvertUPCE0(zerosuppressed)decodeddatatoUPC-Aformat
beforetransmission.Afterconversion,thedatafollowsUPC-AformatandisaffectedbyUPC-Aprogramming
selections.DisabletotransmitUPCE0decodeddataasUPCE0data,withoutconversion(default-disabled).
•Code128
–Length1-Usetosetdecodelengths(default-0).SeeDecodeLengths,page4-14formoreinformation.
–Length2-Usetosetdecodelengths(default-55).SeeDecodeLengths,page4-14formoreinformation.
–Redundancy-Setsthereadertoreadthebarcodetwicebeforeacceptingdata.Acheckinthecheckbox
indicatesthatredundancyisenabled(default-disabled).
–EnablePlainCode128-Flagtoenableother128subtypes(besidesGS1-128andISBT-128).
–EnableGS1-128-SettheGS1128subtype.Acheckinthecheckboxindicatesthattheoptionisenabled
(default-enabled).
–EnableISBT128-SettheISBT128subtype.Acheckinthecheckboxindicatesthattheoptionisenabled
(default-enabled).
–ISBT128ConcatenationMode-SelectanoptionforconcatenatingpairsofISBTcodetypes:
♦ConcatModeNever-DonotconcatenatepairsofISBTcodesencountered(default).
♦ConcatModeAlways-TheremustbetwoISBTcodesinordertodecodeandperformconcatenation.
DoesnotdecodesingleISBTsymbols.
♦ConcatModeAuto-DecodesandconcatenatespairsofISBTcodesimmediately.Ifonlyasingle
ISBTsymbolispresent,thedevicemustdecodethesymbolthenumberoftimessetviaDataWedge
Conguration4-11Redundancy-Code128beforetransmittingitsdatatoconrmthatthereisno
additionalISBTsymbol.
–CheckISBTTable-TheISBTspecicationincludesatablethatlistsseveraltypesofISBTbarcodesthat
arecommonlyusedinpairs.IfISBT128ConcatModeisset,enableCheckISBTTabletoconcatenateonly
thosepairsfoundinthistable.OthertypesofISBTcodesarenotconcatenated.Acheckinthecheckbox
indicatesthatredundancyisenabled(default-disabled).
–SecurityLevel-ThescanneroffersfourlevelsofdecodesecurityforCode128barcodes.Selectincreasing
levelsofsecurityfordecreasinglevelsofbarcodequality.Thereisaninverserelationshipbetweensecurity
andscanneraggressiveness,sochooseonlythatlevelofsecuritynecessaryforanygivenapplication.
♦SecurityLevel0-Thissettingallowsthescannertooperateinitsmostaggressivestate,whileproviding
sufcientsecurityindecodingmost“in-spec”barcodes.
♦SecurityLevel1-Thissettingeliminatesmostmisdecodes(default).
♦SecurityLevel2-SelectthisoptionifSecuritylevel1failstoeliminatemisdecodes.
♦SecurityLevel3-IfSecurityLevel2isselectedandmisdecodesstilloccur,selectthissecuritylevel.
Beadvised,selectingthisoptionisanextrememeasureagainstmis-decodingseverelyoutofspecbar
codes.Selectingthislevelofsecuritysignicantlyimpairsthedecodingabilityofthescanner.Ifthis
levelofsecurityisneeded,trytoimprovethequalityofthebarcodes.
•Code39
–Length1-Usetosetdecodelengths(default-0).SeeDecodeLengths,page4-14formoreinformation.
–Length2-Usetosetdecodelengths4(default-55).SeeDecodeLengths,page4-14formoreinformation.
MN000112A01-September2013
4-11