Sets the default Y coordinate (vertical) of the Display Manager's upper left corner if the Display Manager is not in full screen mode.
Related Variables: To set the X coordinate of the Display Manager's upper left corner, use the DispMgrXDispMgrYvariable.
To set the height of the Display Manager, use the DispMgrHeight and DispMgrWidth variables.
Section: System
Default: DispMgrY = 0
