Special Features:

Case material-aluminum alloy; storage temp range-m55.0c to p125.0c; inclosure type-encased; current rating in amps 0.26; terminal location-back; power source-external; terminal type and quantity-connector, receptacle-1; contains 2 optical type encoders which translate rotation of trackball into x and y coordinate motion data; the digital logic circuitry shall operate from encoder info and provide 4 outputs a positive/negative series of pulses for ea. Coordinate, to indicate direction of rotation of trackball; oper altitude 0 to 15, 000 ft; nonoper alt 0 to 45, 000 ft

Properties:

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.