DATECS DPP-450 Programmer’s Manual
24. Setting EURO symbol position (ESC #)
Code: [1Bh] + [23h] + n
0 <= n <= FF The ASCII code of EURO symbol
This command forces the EURO symbol to appear at the selected ASCII code. So when a code table
without EURO symbol is selected, the user can use this symbol at the desired place. The original
character with this ASCII code becomes inaccessible until redefinition using the same command.
ASCII codes from 00H to 1FH disable EURO substitution and the selected code table is printed
unchanged.
Default value is 00H (EURO substitution disabled).
25. Specifying the absolute horizontal position of printing (ESC $)
Code: [1Bh] + [24h] + n1 + n2
0 <= n1 <= FF Horizontal shifting in dots (least significant byte LSB)
0 <= n2 <= 02 Horizontal shifting in dots (most significant byte MSB)
The shifting is n1 + 256*n2 dots. Specifying beyond the line end is ignored.
26. Selecting/Canceling the printing of downloaded user character sets (ESC %)
Code: [1Bh] + [25h] + n
n can be from 0 to 255, but only the Least significant bit (LSB) is important:
0 canceling selection of user characters (default characters set is chosen)
1 loaded user character set is chosen
Character set is defined by the command ESC &. The chosen character set is kept even if printer is
switched off.
27. Selecting user character set (ESC &)
Code: [1Bh] + [26h] + а + n + m + D11 + … + D(m-n+1)k
20h <= n <= m FFh
a is the number of the sub-command and can be:
0 or ‘0’: Copies internal character set A over user character set A. All parameters after the number
of the command are omitted.
1 or ‘1’: Copies internal character set B over user character set B. All parameters after the number of
the command are omitted.
2 or ‘2’: Defines a sequence of characters for Font A (12x24)
3 or ‘3’: Defines a sequence of characters for Font B (9x16)
4 or ‘4’: Defines a sequence of characters for Font B (9x16)
n is the ASCII code of the first, m ASCII code of the last of the (m-n+1) consecutive characters. When
only one symbol is defined m=n.
With Dij are described the data for the characters. Each character from Font A is defined with 48
bytes. Each character from Font B is defined with 16 bytes for subcommand 3 (the 9-th horizontal
bit is always white) and with 32 bytes for subcommand 4 (2 bytes for each horizontal row, only the
most significant bit of the second byte is used).
The data for character set (font) A is composed from left to right and from top to bottom with two
bytes for each horizontal line. From the second byte only the first nibble (the most significant 4 bits)
is valid.
Each bit defines one dot, 1 is for black, starting from the most significant bit.
Downloaded characters are valid even after switching off the printer.
28. Specifying printing mode of text data (ESC !)
Code: [1Вh] + [21h] + n
Data is given in binary code.
Each bit of n indicates the following:
Bit Function Value 0 Value 1
(65 pages)
(4 pages)
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