GlobalTrack
This parameter combines eight values which can be set interactively in the "Track" page of the "Settings" dialog:

Unused
Number of "undo" levels
Waveform offset (use main menu -> View -> Waveform offset to toggle this offset on/off)
Position of green line in waveform display
Position of red line in waveform display
Unused, always 1
Level of upper end of waveform dB scale
Level of lower end of waveform dB scale

These values should only be changed via the Settings dialog.
Possible values:
Default value: 4,10,0,-10,0,1,0,-40