mouseIndex

The following explains how to get to Mouse Index setting in RGUI.

Hot Key + RGUI Button launches RGUI.

RGUI always starts with Quick Menu,

Quick Menu Hides most settings including Mouse Index.

So hit B to back out of Quick Menu into Main Menu.

From Main Menu go into Settings.

From Setting go into Input

Then port 1 controls

Finally Mouse Index.

Input launched from Quick Menu will hide Mouse Index.

Mouse Index 0 == Trackball

Mouse Index 1 == Spinner