Expert Sleepers Silent Way v2.4.3 - Manual (Page 108)

Preferences
Pressing the ‘Prefs’ button brings up a dialog where various preferences are
set. These settings are shared by all instances of Silent Way, and are not
stored with presets.
The top section shows the product version. The central section will show your serial num-
ber once you’ve bought a registration.
Skin
Allows you to choose a skin for the plug-in GUI. See below .
OSC Base Port
Sets the base port number for OSC. See the documentation for Silent Way Learner .
Eye candy
Enables the pretty graphics. Turn off if you don’t like them, or if your computer has com-
patibility issues with drawing such things.