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will take longer to execute, but it provides complete
flexibility in setting the underline height. It is also
recommended when double underlining is required.
2. Restoring the horizontal position to the beginning of
the text to be underlined, and printing an underscore
character for each character to be underlined. The
underlining produced this way is lower than with au-
tomatic underlining (the line passes below descenders
in lowercase characters such as
g).
This method is
impractical with proportionally spaced fonts, because
the width of the characters underlined will normally
be different to the width of the underscore character.
I
<ESC>Y
I
Enable Display Mode
This command enables the display mode, whereby all
printer commands are printed as blanks instead of being
executed, except that <CR>executes as a <CR>followed by
a <LF>.
I
<ESC>Z
I
Disable Display Mode
This command disables the display mode (see previous
command).
If
the printer is in the display mode when this
command is sent, the command is printed as a blank plus
a
Z.
HP Emulation Mode
H-61
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