10 
The navigation bars display the function menu of the AP. When 
you select a function in navigation bar, the configuration of the 
function appears in the configuration area. 
It enables you to view and modify configuration. 
3.4  Common buttons on the web UI 
Description of common buttons: 
It is used to update the content of the current page. 
It is used to save the configuration on the current page and enable the configuration to 
take effect. 
It is used to change the current configuration on the current page back to the original 
configuration. 
It is used to view help information corresponding to the settings on the current page.