Star Micronics LC-20 Manual de usuario Pagina 77

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chapter 5
DOWNLOAD CHARACTERS
Withthisprinteryoucancreatenewcharactersandsymbols,downloadtheir
dotdata,andhavethemprintedinplaceofselectedcharactersintheregular
characterset.Charactersthatcanbegeneratedinthiswayrangefromsimple
but useful symbols like the check mark through complex Chinese or
Japanesecharacters.
Regular characters are permanently stored in the printer’s ROM, but
charactersyoudesignaredownloadedandstoredin RAMfor use.
DESIGNING YOUR OWN DRAFT CHARACTERS
Designingand printingyour own charactershas two requirements:first,
designingtheshapeofthecharacter,calculatingthedatanecessaryto make
the shape,and sendingthat datato the printer,and secondly,sendingthe
commandto printthe downloadedcharactersinsteadoftheregularcharac-
ters. There are a numberof designconstraintsfor downloaddraft quality
characters:
Thematrixor gridon whichyoudesignthe charactersis sixboxeswide
by nineboxeshigh.
HorizontaUy,dotsmaybecenteredinabox, ormaystraddlealine,making
theactualcharactergrid 11dotswideby9 dotshigh.Vertically,dotscan
onlybe centeredin a box.See Figure5-1.
I
Figure 5-1.Dotscanbe insideboxesor straddlethe verticallinesof thegrid
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