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• Threshold, for black-and-white printing, lets you determine which
colors are printed as white, and which as black. You
change
the
Threshold
setting
by dragging the arrow in the
slider
below the label
Threshold.
When the
setting
for Image is Positive
and
the Threshold
setting is 2, only the darkest color on the display is printed
as
black,
while the rest is white. Increasing the value of the Threshold
setting
causes more colors to be printed as black. As
you
increase the
setting,
the lighter colors are printed as black.
When the
setting
for Image is Negative, the higher the Threshold
setting,
the lighter
are
the colors that are printed
as
black
.
Note that not all these choices apply to all printers. For
example,
letter-quality
printers that use a
"daisy
wheel" printhead can only produce
one
quality
of
printing
.
To find out what
selections
apply to your printer,
see
the documentation
provided with the printer.
When you're done making
selections
for your printer,
select
OK to confirm
your
selections or Cancel to cancel them. Selecting either OK or Cancel returns you to
the Change Printer Screen.
More information is available on printers in Chapter 8,
"Adding
to the Amiga
,"
and Appendix
D.
Getting Back Preferences
If
you'd like to get back the Preferences
settings
that came with the original
Workbench disk, select Reset All.
If
you'd like to get back the last Preferences
settings you saved, select Last Saved.
Using and Saving Preferences
When you're done with
'
P references,
select
one of the gadgets at the lower right
of the window. Select Save if you want your
settings
to take effect now
and each
time you start up the Workbench with the Workbench disk you're
currently
using
.
Selecting Save saves your
settings
on the Workbench disk
.
Select Use if
6-14
Using Preferences
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