Each parameter is labeled clearly, each large, graphical slider has a value label. Most labels are shown in 'friendly' form. Each part of the patch can be mixed individually. You have control over the sends and returns of chorus and reverb plus a send chorus to reverb. The levels section of the editor has a full mixer for line-in, mic, midi, and output.
Mute buttons are present for quick checks of effect presence.
The two functions of Fexman, editor and librarian, are in separate windows, which can be displayed at the same time for ease of use. Fexman is designed to work in no less than a 800x600 video mode. The editing screen will not fit in a 640x480 desktop. If you must scroll right to view this web page, your resolution is not high enough. Reverb section allows access to White Room, Tunnel, and Basement effects Chorus section lets you use Celeste or Flanger effect Control over send and return levels for both chorus and reverb Control over Dry level.