DCA Intertel 2000 Technical Manual
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Contents
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38DCA Intertel DCA IntertelESC 7 Cancel “ESC 6” commandsFormat:ASCII: ESC 7decimal: 27 55hexadecimal: 1B 37Comment:This command, whose response is opposite to ESC 6, allows for using characters from128 to 159 as control characters.4.4 GRAPHIC CAPABILITIESThe graphics pattern is printed immediately; if the dots are more than the possibledotline, the printer begins an other line.If you do not put CR at the end, everything that follows the graphics printed, is setsideways of it. The arrival of a graphics command causes the printing of the line bufferand sideways follows the graphics.4.4.1 Graphics control charactersESC * m n1 n2 data General bit image commandformat:ASCII: ESC * m n1 n2 … graphic data …decimal: 27 42 m n1 n2 … graphic data …hexadecimal: 1B 2A m n1 n2 … graphic data …Comment:This command selects one of a number of bit image data modes according to the valueof m in the following table 10.Table 10m MODE dots/inch dots/mm0 single density 60 2.361 low speed/double density 120 4.722 high speed/double density 120 4.723 quadruple density 240 9.45n1 and n2 determine the number of “n” of a bit image data, which follw the command.Their values are calculated as follows:n1 = d MOD 256n2 = INT (d/256)where d is the number of data bytes to be sent.Note:MOD is the modulus 256 operator (remainder of the division of d by 256); INT isthe operator that yields the integer part of (d/256). |
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