Acer AR360 F1 - Manual (Page 117)

101
Security Settings
The BIOS provides a Supervisor and a User password. If you use both
passwords, the Supervisor password must be set first.
Supervisor Password: This item indicates if a supervisor password has
been entered for the system.
Not installed means such a password has
not been used.
User Password: This item indicates if a user password has been entered
for the system.
Not installed means such a password has not been used.
Change Supervisor Password: Select this feature and press to
access the submenu, and then type in a new Supervisor Password.
The Security screen then appears as follows: