City of Merrill issued the following announcement on July 27
Notice is hereby given that public testing of the DS200 Tabulating Equipment and the AutoMARK machines being used in the City of Merrill for the August 11th, 2020 Election is scheduled to begin at 9:00 A.M. on Monday, August 3rd, 2020. The testing will be conducted in the City Hall Common Council Chambers, 1004 East First Street.
Original source can be found here.