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4-14 Chapter 4: Programming Set Up
Read Display ID String
Format: 1B 19
Returns: 0x1A, “NCR 5972, XXX-XXXXXXX”
Description: where0x1Aisa1bytestringlengthindicatorwhich
indicatesthelengthofthestringthatfollowsthestringlength
indicator.Forexample,1AHcharactersaresentafterthestring
lengthindicator.Note: indicatesaspacecharacter(20H).The
quotationmarks“”
arenotpartofthestringandarenotreturned.
XXX‐XXXXXXXrepresentsthecurrentfirmwarepartnumber.
Description: ThiscommandisarequestfortheRetailDisplayto
returnanASCIIstringwithdetailedproductinformation.
Display ESC Character
Format: 1B 1B
Description: ThiscommandisarequestfortheESCcharacterto
bedisplayedatthecurrentcursorposition.
Select Character Set n
Format:1B20 - 1B32
Description: VFDonly.Thissetofcommandschoosesoneofthe
threesupportedinternalcharactersetsor,ifanexternalROMis
present,oneofupto16additionalcharactersets.Characterset1is
definedasPCCodePage858(International),characterset2is
definedasKatakana
(Japanese),andcharacterset3isdefinedas
CodePage866(CyrillicEasternEuropean).Charactersets4
through19areonlyvalidifanexternalROMcontainingextra
charactersetsispresent.Charactersetselectionisdynamic.Host
softwarecanswitchbetweencharactersetsatanytime.Switching
betweensets
doesnoteraseorchangethedisplay.Thismeans
charactersfrommultiplecharactersetsmaybeonadisplay.The
defaultcharactersetisnumber1,PCCodePage858(International).