METHOD OF CONTROLLING A TRANSMISSION

The invention relates to a power-split transmission device (10) in an agricultural work vehicle (50), wherein the transmission device (10) comprises a summing gearbox (30), an electrical variator (20) for continuously varying a transmission ratio of the summing gearbox (30), and a transmission with adjustable transmission ratio (40) in order to connect a drive motor (52) with a drive unit (42) of the work vehicle (50).