Reference: User Interface :

Command: User [...] → User Management [...] , the user groups

Current Device User [...] out the user [...] the device user management

Device User Symbol [...] user and adds this user

Device User Symbol [...] removes a user from the user management

Password Device User [...] the password for the user [...] in to the device as a user

Reference: User Interface :

Setting Up User [...] Extension , a safety user [...] this safety user

Safety User Management and Access Control :

User Interface :