This documentation is relevant to WMWifiRouter version 1.20 and newer, and has been last updated to reflect the changes in version 1.25.
This option takes you to the advanced configuration screen. In this screen you can fine-tune and change many internal options not available through any other configuration screen.
The options listed in the advanced configuration screen also come with short descriptions. You should not change any of these options unless you are an advanced user and know exactly what you are doing.
In general, configuration options found here should not be changed while connected and routing.