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User-defined Characters
The command format is:
ESC : 0 n 0
Note:
This command will cancel any user-defined characters you
have created. You must send this command to the printer. before
you define characters.
If you use this command at the beginning of a program, then
define your special characters and select the user-defined character
set, you can print with the user-defined character set as your
normal character set. You never need to switch back and forth
between sets.
Mixing print styles
The user-defined character set can be used in combination with
most print styles. For example, emphasized and double-wide
printing both work well with user-defined characters.
The sample below shows the heart character printed in two
different styles.
Keep in mind that user-defined characters are stored in RAM,
which is not permanent. Whenever the printer power is turned off
or your computer sends an initialization (INIT) signal, all of the
user-defined characters are lost. (Some computers do this each time
BASIC is loaded or when certain application programs start up,
and most computers do it if you have to reset them.) If the
program resets the printer with the ESC @ command, the ROM
set is selected, but the user-defined characters are not lost.,
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Software and Graphics