Focus on the pronunciation of switchover
English definition of “switchover”
switchover (also switch-over)
/ˈswɪtʃˌəʊvər/ noun [C]
› a change from using one technical system, etc. to another: a switchover to sth The switchover to the euro made it easier for eurozone countries to do business with each other. All of the 1,154 towers would need upgrading when the national switchover to digital television takes place.