AddVolume
  Properties->AnalyzeReaders
  Browse (click on example_func.hdr, Hit Open)
  Apply (example_func shows up in Viewer window)
  Volumes, Display tab
  Adjust Window/Level to make functional show up better

Data
AddVolume
  Properties->AnalyzeReaders
  Browse (click on thresh_zstat1.hdr, Hit Open)
  Apply (thresh_zstat1.hdr shows up in Viewer window)

Volumes
  ActiveVolume -> thresh_zstat1.hdr
  Display tab
  Threshold->Lo 1 (see blobs)
  Palette->Rainbow (blobs turn colors)

In Viewer Window:
  Hit any Bg button and select example_func (shows up in Viewer window in all)
  Hit any Fg button and select thresh_zstat1 (shows up as colored blobs in all)
  Hit all three "V" buttons - slices show up in 3D viewer
  Slide sliders to change slices