Part Number
Part Number:
NSN:
NIIN:
Item Name:
TRACKBALL , DATA ENTRY
Definition:
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.
CAGE Information
| Code | Company |
|---|---|
| 87990 | QUARTERMASTER GENERAL |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CSBH | VOLTAGE IN VOLTS AND CURRENT TYPE | 5.0 DC |
| ABKW | OVERALL HEIGHT | 3.130 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 10.880 INCHES NOMINAL |
| FEAT | 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 |
| ABMK | OVERALL WIDTH | 3.620 INCHES NOMINAL |
| AFGA | OPERATING TEMP RANGE | -55.0/+85.0 DEG CELSIUS |