How to change user name and password of 140NOE77101 ?

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Note that NOE77101 security support is available from V5.1 onwards. So if change of user name and password, upgrade firmware to higher version.
Follow steps as shown to change username and password.
1- Logon to NOE77101 and go to setup.

2- Go to "Security" page by logging with default user name and password.

3- Set the new user name and password from this page. Please do not use any special characters for the password since in certain combinations they can cause an issue.