[cheynj-oh-ver] 
| a conversion or complete change from one thing, condition, or system to another, as in equipment, personnel, methods of production, etc.: a changeover to automated equipment. |
| change·o·ver (chānj'ō'vər) n. A conversion to a different purpose or from one system to another, as in equipment or production techniques. |
changeover programming
The time when a new system has been tested successfully and replaces the old system.
(2003-11-12)