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The next four chapters describe many of the printing features of the
IIc PIC. You can read these chapters if you wish, but you may not
need to. Whether or not you use the rest of this manual depends upon
your expertise, your interest, and the software you plan to use.
Demonstration Programs
Along with a discussion and examples of the PIC features, these
chapters include demonstrations in the BASIC programming lan-
guage so that you can see these features in action. Although you will
probably not do much of your printing using BASIC, the demonstra-
tions are in BASIC because it comes with the IIc computer.
You don't need to know anything about BASIC to type in and run
these programs. All the instructions you need are on the next page.
. .
As you run the programs (or even as you read the explanations and
look at the printed examples), you learn how the LX-90 responds to
the messages your computer sends it by printing letters, numbers,
symbols, and graphics in various print modes.
Even if you never use BASIC again, you will know the capabilities
of your printer, capabilities that can often solve your printing prob-
lems. For example, if you need a special symbol, such as a Greek let-
ter, you will know that you can turn to the chapter on user-defined
characters and create such a character.
If you don't want to do the exercises in BASIC, you don't have to.
In most cases the software that you use for word processing, business,
or graphics does the calculating and communicating with the
Chapter 4
Apple IIc PIC Features
19
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