HUD study: first shots

This is the Head up display (HUD) that we are using in our study. We compare it to an audio only version of the same menu and a combination of both. We are half way through the study and so far our results suggest an overall preference for the audio-visual menu. Although, there are some who clearly prefer the visual only and some who clearly prefer the audio only version.

To interact with the menu we use a customized device (in fact a small computer mouse) that is attached to the steering wheel. It is placed behind the wheel as we want to reduce the haptic distraction as much as we can. The scrolling wheel of the mouse lets the user select items within the menu. By pressing the lower button of the two-button mouse the user can select items (or decent in the menu hierarchy) and by pressing the upper button the user can go up in the menu hierarchy.

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