Sonnox Oxford Preset Manager - Manual (Page 12)

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The Delete button allows you to delete a user-defined Preset. By default, the Factory Presets
are created as read-only files, thereby preventing their accidental deletion.
The A/B button allows you to compare two sets of settings with a single click. Whenever this
button is clicked, the current settings are saved into a backup store, and the contents of the
backup store moved to the current settings. Initially, the backup store is loaded with the
default state of the plug-in on start-up, so use of the A/B button will compare whatever plug-
in settings you have created to the default settings, which will usually be equivalent to
comparing the audio with and without the plug-in affecting the sound. However, if you
switch to the default settings and change them, this is what the other settings will be swapped
to or compared against. Thus the A/B button allows you to quickly compare audio with and
without the plug-in, or compare one setting against another.
The A/B button can also produce
a menu beneath it, by clicking on
the A/B button and holding the
click for half a second. This sub-
menu allows you to copy the
current settings over into the
backup store, so that you can sync
the two together before making some changes for the careful comparison of sounds.
The displayed Preset name is fully linked into the VST program name so that saving and
restoring the project on the host platform will save and restore the Preset name. When a
project is restored, the Preset Manager will attempt to find the Preset name given to it in the
Preset directories so that the ‘+’ and ‘-’ functions will work from that point on.