02-2771232-2

Data entry trackball

Properties of 02-2771232-2

End Application:
Chs-ii
NSN:
5895-01-475-5259
Description:
Trackball,data Entry
Cage Code:

Definition Data Entry Trackball

A device which includes a sphere mounted in a small open-topped box. The sphere is hand-operated by rotating it in a backward, a forward, or a sideway direction while maintaining the device in a fixed location. The movement of the sphere generates a signal which may be used to move a cursor and/or tracking symbol on the face of a display, such as a cathode ray tube; to input data into an electronic system; and/or to control the operation of a system. It may or may not include additional input devices, such as switches or variable resistors.

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Last modified 10/31/2024