Epson SQ-2000, Operating Manual

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Therefore, the SQ-2000 has a command which allows you to
copy all of the standard characters from ROM to the user-defined
character set. The command format is:
<ESC> “:” <NUL> <NUL> <NUL>
Note:
This command will cancel any user-defined characters you have
created. You must send this command to the printer before you
define characters.
Using this command you can create a short sequence of codes
that will copy normal characters to the user-defined character set,
define your special characters, and select the user-defined charac-
ter set. You can now print with the user-defined set as your
normal character set. You’ll never need to switch back and forth
between sets.
How Print Mode Affects User-Defined Characters
In the example program above, before you defined the new
capital A, you selected the SQ-2000’s draft print mode. By doing
this, you caused any user-defined characters to print as draft
characters because user-defined characters assume the mode that
is in effect at the time they are defined.
The modes that affect user-defined characters are draft, letter
quality, and proportional printing. The <ESC> “x" n com-
mand selects between draft (n=0) and letter quality (n=l). The
<ESC> “!” n (Master Select) or <ESC> “p”’ n (n=l) commands
are used to select proportional printing.
The commands for defining characters, selecting the user-
defined character set, and copying ROM are exactly the same for
each of the user-defined print styles. The print mode in effect
when the characters are defined determines the mode of the
user-defined characters.
The print mode determines the size of the grid upon which the
characters are designed and the speed at which they print. Table
5-l shows the different character grid sizes for each of the print
modes.
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