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head-up display
(redirected from Head up guidance systems)

    Also found in: Wikipedia 0.01 sec.

head-up display

See heads-up display.

head-up display [′hed ‚əp di′splā]
(optics)
A device that enables an aircraft pilot to view the instrument panel while looking out the cockpit window, by projecting an image of the panel in the direction of the window and forming the image at infinity.


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