Dot Matrix Printer Users Manual

I
M A D H
s
C “ n
27 94 ?@ td
IB 5E no nl
d ml m2 ... n2 ml rn2 ... n2
ml d ...
Selectsoneof eightgraphicsmodesdependingon the valueof nO
and prints 9-pin bit-imagegraphicsin this mode. The graphics
imageis9 dotshighandn] + n2x 256dotswide.Maximumwidth
is8inches.Dotsbeyondtherightmarginareignored.mI,m2,...are
bytepairsrepresenting9verticaldotseach.Intheleftmostposition,
themostsignificantbitof ml is thetopdot;theleastsignificantbit
ofml is theseconddotfmm thebottom;themostsignificantbitof
ti isthebottomdot;andtheotherbitsofm2areignored.Otherbyte
pairsare similar.Thenumberof databytesmustbe 2 x (nl + n2 x
256).Attheendof bit-imageprintingtheprinterreturnsautomati-
callyto charactermode.
@ Graphicsmode
O Normal-density
(60dotsper inch)
1 Double-density
(120dotsper inch)
2 Double-density,double-speed (120dotsper inch)
3 Quadruple-density
(240dotsper inch)
4 CRTgraphics,modeI
(80dotsper inch)
5 Plottergraphics
(72dotsper inch)
6 CRTgraphics,modeII
(90dotsper inch)
7 Double-densityplottergraphics(144dotsper inch)