The phrase "to set the tempo" means to establish or determine the speed or pace at which something should be done or to influence the rhythm of a situation. Full definition
The opening set the tempo for the rest of the game and the home team impressed in the first half, before battling hard in the second half for a well - deserved point. (avillafan.com)
The simple task of waiting when we request it requires impulse control and helps to set the tempo of a calm following pack member. (srdogtraining.com)
That comes from the manager, it's him who sets the tempo with those kind of things. (skysports.com)