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User-defined Characters
Design grids
To
design a character you use a grid that is 24 dots high-one dot
for each pin on the printer’s print head. The width of the character
matrix depends on the character set in use. For draft characters, the
grid is nine dots wide, for Letter Quality it is 29 dots wide, and for
proportional characters it is 37 dots wide. The dots for both Letter
Quality and proportional characters are spaced more closely
together than those for draft characters.
The illustrations below show the two design grids. The line at the
side, labeled cap, indicates the top of a standard capital letter. The
line labeled base indicates the baseline for all letters except those
with descenders (the bottom parts of such letters as j and y). The
bottom row is usually left blank because it is needed for
underlining.
Draft pica
Letter quality / Proportional
The grid on the right side can be used for either Letter Quality or
proportional characters. For Letter Quality you do not use all the
columns.
Software and Graphics
4-21
Summary of Contents for LQ-510
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