HP Value Serial/USB Receipt Printer II Manual do Utilizador descarregar pdf (Página 63)

Chapter 3: Programming Commands 63

Select the current logo

ASCII GS # n

Hexadecimal 1D 23 n

Decimal 29 35 n

Range of n: 0 – 255

Default: 0

Selectsamonochromelogotobedenedorprinted.Theactivelogon remains in use until this command is sent again

with a different logo n.

Whenthiscommandprecedesalogodenition,thatdenitionisstoredinashorRAMmemoryaslogon.Ifthereis

alreadyadifferentdenitioninashmemoryforlogon,therstisinactivatedandthenewdenitionisused.Theinactive

denitionisnoterasedfromashandcontinuestotakeupspaceinashmemory.

When this command precedes a logo print command and nisdifferentfromthepreviouslyactivelogoselected,theprinter

retrievesthelogodenitionfornfromashorRAMmemoryandprintsit.Ifthereisnodenitionforlogon,thennologo

is printed.

Inthecaseofapreviouslyexistingapplicationthatexpectsonlyonepossiblelogo,theprinterwillnotreceivetheselect

currentlogo(1D23n)command.Inthiscase,theprinterassigns0astheactivelogoidentier.Itautomaticallystores

anynewlogodenitioninashmemoryaslogo0,inactivatinganypreviouslogo0denition.Iftheashmemoryspace

availableforlogosllsupwithinactivelogo0denitions,thermwareerasestheolddenitionsatthenextpowercycle.

Thisistheonlycaseinwhichtheprintererasesashmemorywithoutanapplicationcommand.

Inthecaseofanewapplicationusingmultiplelogos,theselectcurrentlogo(1D23n)commandisused.Afterthat,the

printernolongerautomaticallyerasesthelogodenitionashmemorypagewhenitllswithmultipledenitions.Anew

applicationusingmultiplelogos,writingauser-denedcharactersetintoashmemory,orboth,isresponsibleforerasing

thelogoanduser-denedcharactersetashmemorypagewhenthelogoareaisfullorbeforeanewcharactersetis

dened.

Related information

ThiscommandisrecognizedinNativemode.

InA793andLEGACYemulations,theparametersareputintotheprintbuffer.

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HP Value Serial/USB Receipt Printer II Manual do Utilizador Página 63