The status box displays information on the currently active window.
The indicators show ( in order from top to bottom):
The cursor position in the currently selected coordinates. If not in pixels, then the coordinates will be in calibrated units.
Grey Level Image grey level (0-255) at current cursor position.
Object size, Image size, or ROI size in calibrated units or pixels.
Input voltage range. (black 0 to white 255).
Approximate Frame rate in frame per second.