Wis. Stat. § 5.83

Where voting devices are used at a polling place, the municipal clerk shall cause the voting devices to be put in order, set, adjusted and made ready for voting when delivered to the polling place. Before the opening of the polls the inspectors shall compare the ballots used in the voting devices with the sample ballots furnished and see that the names, numbers and letters thereon agree and shall certify thereto on forms provided by the commission.