Utility Relay publishes videos on their YouTube Channel for those who are unfamiliar with their trip units. Field technicians will probably find the following videos helpful when testing circuit breakers equipped with AC-PRO trip units:

How to Program the AC-PRO-II - https://www.youtube.com/watch?v=PUI79McuWs4

How to Rotate the Display on the AC-PRO-II - https://www.youtube.com/watch?v=RbeONg-NvBo

How to Program the AC-PRO - https://www.youtube.com/watch?v=5U__-YXUF_k

AC-PRO Basics - https://www.youtube.com/watch?v=dYGWOP9yyDA

AC-PRO Battery Replacement - https://www.youtube.com/watch?v=K4KbsCZKsTk

More videos on their youtube page here: https://www.youtube.com/user/UtilityRelay/videos