The B-3X operates in two modes.
The B-3X is a physically modeled instrument. While efficient, it can tax older CPUs.
The official PDF manual explains what a control does, but not always how to use it musically. Here is the practical guide. ik multimedia hammond b-3x manual
Launching the B-3X can be intimidating. The UI is split into four distinct logical zones. Understanding these is key to finding your sound fast.
The Hammond organ is famous for its nine drawbars per manual. They control the volume of individual harmonic sine waves (tonewheels). The B-3X operates in two modes
The "Footage" (Length of pipe):
Classic Presets via Drawbars:
In the B-3X, you click and drag the drawbars vertically, or you can MIDI-map physical faders.
This is where B-3X separates itself from other emulations. This strip allows you to edit the "guts" of the organ: Classic Presets via Drawbars: