If the
Options menu is password-protected on your VisitorRego unit, you will be
prompted to enter the password when attempting to access the System
Setup window. After entering the correct password, the System Setup
window will open, allowing you to configure the settings. If the
password is incorrect, access will be denied.

For instructions on how to set a password for the Options menu, please refer to our knowledge base article:
Setting a Password for the Options Menu.