Draytek VigorAP 920R Series Quick Start Manual page 15

7. When you have completed making changes to settings for wireless LAN
(5GHz), click Next. The following final page will be shown. If you are
satisfied with the changes you have made, click Finish. You may verify your
settings by navigating to Online Status on the Main Screen.
Note Under System Maintenance, you can change the access
point's default admin password. You should do this as soon
as possible to prevent unauthorized access to the VigorAP's
management interface.