NCR 74 OFX (7874) - Allow 1- or 2-Character Tags; Code 39 Tone

Chapter 5: Programming 5-27
Minimum Characters
TheMinimumCharactersAllowedparameterdefineshowmanycharactersinabar
codemustbereadthesamebytwoseparatescansbeforedeterminingavalidreadhas
occurred.Thisoptionshouldbesettothenumberofcharactersinatypicaltagwhich
ensuresthatthescannerreadstypicaltags
withatleasttwocompletegoodscans
beforesendingthetagdatatothehostterminal.
Thereare14selectionsforthisparameteroption(2through15characters).Scanthe
properHextag(Hex2throughHexF).The defaultis8characters.
Note: 10=HexA,11
=HexB,12=HexC...
Full ASCII
Code39permitsfullASCIIcapabilitybyencodingtheadditionalcharacters.Disable
thisfunctionbyscanningtheHex0tag,andscantheHex1tagtoenablethisfunction.
Inthismode,thepresenceofaspecialcharacterbeforeanupper‐caseletterdenotes
thatthecharacterislower‐case.

Check Digit Present
TheCheckDigitPresentparameterdeterminesifthebarcodemustcontainacorrect
checkdigittobeidentifiedasvalid.Ifthisfunctionisenabled,thebarcodeisignored 
ifacheckdigitisnotpresent.ScantheHex0tagtodisablethisoption,ortheHex1

tagtoenableit.
Transmit Check Digit
TheTransmitCheckDigitparameterselectswhethertosendthecheckdigittothe
hostterminal.ScantheHex0tagtodisablethisoption,ortheHex1tagtoenablethis
option.
Allow 1- or 2-Character Tags
TheAllowOne‐orTwo‐CharacterTagsparameterselectswhetherornottopermit
thescannertoreada1‐or2‐characterCode39label.Iftheapplicationdoesnot
requirethatthescannerreada1‐or2‐characterCode39label,scantheHex0tagto
disable
thisoption.Iftheapplicationrequiresthiscapability,scantheHex1tagto
enableit.
Code 39 Tone
ThisparameterpermitsyoutoenableordisabletheCode39tone.ScanHex0to
disablethetone(default)orHex1toenableit.Ifdisabled,theCode39toneisunder
controloftheUPCtonecontrol(generalgoodreadtone).