Epson LX-90 User Manual download pdf (Page 38)

Chapter 7

User-Defined Characters

The LX-90 has several hundred different characters stored in its

Read Only Memory. Although this number includes draft, Near Let-

ter Quality, international, and graphics characters, sometimes you

would like to have a few more. For those occasions when you need a

special character or a few letters in a different typeface, the LX-90

allows you to create your own characters and print them just as if they

were ordinary letters.

Defining Your Own Characters

The printout below displays a few such characters to give you an

idea of what can be done, but remember that you can create whatever

you need or want.

It may seem that designing a character and telling the LX-90 how to

print it would be extremely complicated, but in this chapter the task is

reduced to a simple three-step process: planning your character, run-

ning one program that tests your work and calculates the required

DATA numbers, and running another program to put the character in

your printer’s Random Access Memory (RAM) for use whenever you

need it.

Because the high-resolution NLQ (Near Letter Quality) mode uses

many more dots per character than the draft mode, defining NLQ

characters is somewhat more complex than defining draft characters.

You will find the programs for defining NLQ characters at the end of

this chapter.

After you have created your own characters, you can re-program

seldom-used keys to generate the user-defined characters. For exam-

ple, you will be able to type < to print R .

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Epson LX-90 User Manual Page 38