Taken from Radialpoints KB.
Question: How do I create a new Parental Control user?
Answer:
1. Open Radialpoint Security Services and choose Parental Control.
2. Select Manage Users then click Add.
3. Enter a name and select an Initial Profile*.
4. If you would like to create a password to protect this profile, click Enable Password**.
5. Click Add.
*Note: The Initial Profile determines the initial settings in the Web Site Categories and Restricted Programs sections. These can later be customized in their respective section.
**Note: Passwords will prevent others from using this profile without permission. Only the administrator and the profile user should know the password.
http://www.radialpoint.net/support/kb.php