Specifically for the Ojmar OCS PRO; the optional E-KEY can be used to open/close the locks as a master key if required or as an ADA key. It also has a cloning feature.
Programmable – With the software the E-key can program multiple locks in a row quickly and easily.
4-in-1 key – Can be configured to be used as a Master Key, Programming key, ADA key, and Audit key.
Service – When used as a service key it functions like a master code where it can open and close locks without deleting the current user setting.
Master – When used as a Master Key, it functions like a master code where it can delete the previous users memory for renewed use.