|
|
National Stock Number: 7025-01-475-7224
Federal Supply Class: 7025
National Item Identification Number: 014757224
Description: TRACKBALL,DATA ENTRY
Detail: 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.
|
Manufacturer Information:
5000489-1 | 1Z496 | AP LABS, INC. | 927439-0174 | 06481 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
|
Techincal Specification:
SPECIAL FEATURES | BULLNOSE ASSY,SOSU |
|
|