3 – 20
Select Italics/Graph. Chars. Decimal Hex ASCII Comp
Select italics/graphics or DLL 27 116 n 1B 74 n ESC t n E
or 28 73 n 1C 49 n FS | n E
n = 0 italics; n = 1: graphics; n = 2: DLL, n = 3: USA (only for ESC t n)
Epson
You can specify the set of characters to occupy decimal values 160 to 255, either italic
characters or a set of special symbols and graphics characters. Refer to Appendix B for
the tables of these characters. You will notice that with either of these sets selected, the
characters from decimal 128 to 159 are either control codes or are unused.
If you want to use one of the IBM character sets, you will first have to send this
command, selecting graphics characters by substituting 1 for the variable n. If you have
downloaded (DLL) custom characters (refer to Chapter 5), the upper half of the
character table (from 128 to 255) is replaced by the DLL characters that you have
created.
When you create characters they are assigned values from 0 to 127, therefore when
n=2, and they are copied to the upper half of the table you must add 128 to the assigned
value in order to print them. If you select n = 2 without defining any characters, the
characters in the lower half of the table are duplicated in the upper half.
IBM Character Set Decimal Hex ASCII Comp
Select IBM Char. Set 1 27 55 1B 37 ESC 7 E P A
Select IBM Char. Set 2 27 54 1B 36 ESC 6 E P A
Both of these character sets contain special symbols and graphics characters in addition
to the standard alphanumerics. The difference is that in Set II, decimal values 3 to 6,
21, and 128 to 159 represent printable characters, while in Set I, these positions are
either occupied by control codes or unused. Refer to Appendix B for the character
tables.
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