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For software control of these features, see the instructions for your
applications program or look up specific commands in the Command
Summary in Chapter 8. The command for color is on page 8-27.
Character size
To add greater variety to your documents, the LQ-2550 has three
character sizes and proportional spacing. All four
can
be selected with a
software command, or by SelecType or panel setting (see Chapter 3).
For each of the built-in fonts, you can choose a character size of 10, 12,
or 15 characters per inch (cpi), or proportional spacing. The printout
below compares the three sizes:
This is 10 pitch printing.
This is 12 pitch printing.
This is 15 pitch printing.
As
shown
above, 15 cpi characters are only about two-thirds the height
of 10 and 12 cpi characters. This makes 15 cpi particularly useful
when
you want to separate certain material from the main text.
In 10 cpi, as in 12 and 15 cpi, each character is given an equal amount of
space. The spacing for proportional characters, however, varies from
character to character. Therefore, a narrow letter like i receives less space
than a wide letter like W. The width of each proportional character is
given in Appendix B.
The following printout compares 10 cpi with proportional spacing:
This is 10 pitch printing.
This is proportional spacing.
Proportional spacing is not available in the draft mode.
Special effects and emphasis
In addition to the three basic sizes and proportional spacing, the LQ-2550
offers three other modes that can change the size of your printing. These
modes are double-wide, double-high, and condensed.
4-8
Using Software and Graphics