Conformal versus nonconformal symbology and the head-up display

Jeffry Long; Christopher D. Wickens

doi:10.1117/12.177380

10 June 1994 Conformal versus nonconformal symbology and the head-up display

Jeffry Long, Christopher D. Wickens

Proceedings Volume 2218, Helmet- and Head-Mounted Displays and Symbology Design Requirements; (1994) https://doi.org/10.1117/12.177380
Event: SPIE's International Symposium on Optical Engineering and Photonics in Aerospace Sensing, 1994, Orlando, FL, United States

Abstract

Thirty-two pilot subjects flew instrument approaches in a visually high-fidelity simulator. Location of flight symbology was manipulated while controlling for optical distance and symbology format. Subjects were assigned to one of two symbology sets, conformal or non-conformal. Each subject flew half of the trials with the symbology presented in a head-up location and half with the symbology located head-down. An unexpected far domain event was presented on one trial per subject. The results revealed that, for flight path control, there was generally a cost associated with head-down location. The magnitude of this cost was relatively larger for conformal than for non-conformal symbology. Head-up presentation resulted in faster transition from instrument to visual flight references, but slower response to the far domain unexpected event.

Citation Download Citation

Jeffry Long and Christopher D. Wickens "Conformal versus nonconformal symbology and the head-up display", Proc. SPIE 2218, Helmet- and Head-Mounted Displays and Symbology Design Requirements, (10 June 1994); https://doi.org/10.1117/12.177380

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