You can change the security questions and answers, or the email address for
the device. After change the settings, once you forgot the device password, you should
answer the new questions or use the new email address to reset the device
password.
Click System and Maintenance > System Configuration > System > User Management > User Management > Account Security Settings.
Change the security questions or email address according your actual
needs.
Enter the device password and click OK to confirm
changing.