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CBM-270 User’s Manual
ESC * m n1 n2 [ d ] k
[Function] Specifying the bit image mode
[Code] <1B> H <2A> H <m> <n1> <n2> [<d>] k
[Range] m= 0, 1, 32, 33
0 ≤ n1 ≤ 255
0 ≤ n2 ≤ 1
0 ≤ d ≤ 255
k = n1 + 256 × n2 (m = 0, 1)
k = (n1+ 256 × n2) × 3 (m = 32, 33)
[Outline] Acc or ding to the num ber of dot s spe c if ie d i n n1, n2, spe ci fy the bit i m age of mode n.
• The No. of dots printed is divided by 256, whose quotient is taken as n2 and residualas
n1.
• The total no. of dots printed in the bit image is equal to n1 + (256 × n2).
• When bit image data have been input in excess of dot position of one line (448 dots) , the
excess data are discarded.
• d i s bit image dat a, the bit s subject to pr inting are take n as "1" a nd those not as "0".
• The bit image modes specified by m are shown as follows:
Vertical Direction Horizontal Direction
m Mode
No. of Dots Dot Density Dot Density
Max. No. of Dots
0 8-dot single density 8 67 DPI 101 DPI 192
1 8-dot double density 8 67 DPI 203 DPI 384
32 24-dots single density 24 203 DPI 101 DPI 192
33 24-dots double density 24 203 DPI 203 DPI 384
[Caution] •When the values set in m (Bit image mode) are out of the above range, the data following
after n1 is processed as normal printing data.
• After completion of bit image printing, printer returns to normal data processing mode.
[Example]
[Sample Program]
LPRINT CHR$ (&H1B) ; "*" ;
LPRINT CHR$ (0) ; CHR$ (20) ; CHR$ (0) ; *IMG1:
GOSUB *IMG1 LPRINT CHR$ (&HFF) ;
LPRINT CHR$ (&HA) ; FOR I=1 TO 18
LPRINT CHR$ (&H1B) ; "*" ; LPRINTCHR$ (&H85) ;
LPRINT CHR$ (1) ; CHR$ (20) ; CHR$ (0) ; NEXT I