# main menu

`Windows` `macOS` `Linux` `RasPi`

This is the top level of the hierarchical menu.

![Screen Example](https://3064865302-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FK1URxLSiu5956Gx1skRh%2Fuploads%2Fgit-blob-e149642d04380c70f6c5c121490f295f3867ed0a%2Fimg_rootmenu-1.png?alt=media)

On this screen, you can make various menu selections. When the menu is inverted, a simple explanation is displayed in the green text area at the bottom.

* [viewer](https://stage.twelite.info/eng/usage/screens/main_menu/viewer) : A viewer that interprets and displays messages from the TWELITE radio module. In most cases, App\_Wings is used for the receiving side.
* [app\_rewrite](https://stage.twelite.info/eng/usage/screens/main_menu/firm_prog) : builds and writes firmware to the connected TWELITE radio module.
* Interactive settings mode (interactive.md): to set the connected TWELITE radio module to interactive settings mode.
* [TWELITE STAGE settings](https://stage.twelite.info/eng/usage/screens/main_menu/settings) : Configure various settings for the TWELITE STAGE application.
* [Serial port selection](https://stage.twelite.info/eng/usage/screens/main_menu/select_serial_port) : Displays a menu to select a serial port.
* Description : Menu to display the description. Open the following instructions in your browser.
  * TWELITE STAGE application (this document)
  * MWX library
  * TWENET\_C library