Please review all files and videos. You will be shown how our EBT machines work for both screening and confirmation tests as well as a calibration. With your instructor/FTO in the field you will demonstrate your proficiency with a selection of Evidentiary Breath Testing devices. You must complete 7 Error Free Mock Tests, 1 will be a Preliminary Positive, 1 will be a Confirmatory Negative. This must be done with minimal to no assistance. You will also demonstrate your understanding of when and how to calibrate a chosen EBT device and how to submit the results for record keeping purposes.