ZyXEL Communications NSA221 Support Note page 5

Choose Default Configuration or Manual Configuration and then click Next. Here,
we recommend users use Default Configuration. For security issue, we suggest users
change the admin's password.
Figure 9. Choose a wizard type Figure 10. Change the password.
Check if the settings are correct and click Next to begin configuring NSA221.
Figure 11. Confirm settings. Figure 12. NAS is under setting.
Figure 13. Configuration is finished.