(epspdf.info)The configuration screen

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1.5 The configuration screen
============================

Epspdftk also has a configuration screen.  The settings here are
preserved between sessions.

1.5.1 Configuring viewers
-------------------------

Under Unix, the preferred PostScript- and pdf viewers can be configured
in this screen.  Epspdf looks for a number of PostScript- and pdf
viewers, from which you can select one, but you can also enter one
manually.

For Windows and Mac OS there is no such configuration option.  Epspdf
will use the program associated with the file type, which can be
configured outside epspdf.

1.5.2 Options for converting to pdf
-----------------------------------

Double-check the setting "Target use" under "Conversion to pdf".
"prepress" is for pdfs which are going to be printed commercially.  The
options prepress, printer and default will try to embed all fonts.
Often, printshops insist on this.

On the other hand, you may prefer "screen" if file size is a concern.
See also the Ghostscript documentation, in particular Use.htm and
VectorDevices.htm.

Specifying anything other than "default" may cause an additional
conversion step and possibly also loss of high-level structure.

As to pdf versions: this is a trade-off between more features for higher
versions and better compatibility for lower versions.  Versions below
1.4 do not support transparency.  Converting a page or graphic with
transparencies to version 1.3 will probably result in the whole page or
graphic getting rasterized.  For prepress use, consult your printshop or
publisher.  Otherwise leave the pdf version at "default".

1.5.3 Options for converting to PostScript
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For conversion to plain or Encapsulated PostScript, pdftops sometimes
does a better job of preserving fonts than Ghostscript.  Under Windows,
current versions of both MiKTeX and TeX Live include pdftops.  Still,
you may opt not to use pdftops even if it is available, in which case
Ghostscript will be used instead.