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chapter8
DOWNLOADCHARACTERS
Withthisprinteryoucancmatenewcharactersandsymbols,downloadtheir
dot data,andhavethemprintedinplaceofselectedcharactersintheregular
characterset.Charactersthatcanbegeneratedinthiswayrangefromsimple
but useful symbolslike the check mark throughto complexChineseor
Japanesecharacters.
Regularcharactemampermanentlystoredintheprinter’sROM,butchar-
actersyoudesignaredownloadedandstoti in RAMforuse.
Beforeyoustarttodefineyourowncharacters,youmustsettheEDSswitch
A-2 to “RAM DOWNLOAD”.
Otherwise,the RAM is used to storethe inputbuffer, and the download
commandsare ignored.
DEFININGYOUROWNCHARACTERSWITH
STANDARDMODE
Designingand printingyour own charactemhas two requirements:first,
designingtheshapeofthecharacter,calculatingthedatanecessaryto make
the shape,and sendingthat data to the printer,and secondly,sendingthe
commandtoprintthedownloadedcharactersinsteadoftheregularcharacters.
Theream a numberof designconstraintsfor downloadchamcters:
c Thematrixor gridon whichyoudesignthecharactersdependsuponthe
printmodeasshownbelow:
Charactermode
Draftcharacters
LQ picacharacters
LQ elitecharacters
LQ semi-condensed
LQ pmpcmional
Draftsuper/subscript
LQ super/subscript
LQ prop.super/subscript
Horizontal
9
31
27
19
37
7
19
37
Vertical
24
24
24
16
24
16
16
16